CBSE Class 3 Social Science Worksheet Set 03

Question 1. Stilt houses are made ten to eleven feet above the ________________________
Answer: ground
In simple words: Stilt houses are built high on wooden poles to stay safe from flood water.
Exam Tip: Remember that stilt houses are typically found in areas with heavy rainfall and floods.

Question 2. ________________________________is a place having heavy rainfall.
Answer: Assam
In simple words: Assam receives a lot of rain, so houses are built on stilts.
Exam Tip: Associate Assam with heavy rain and stilt houses.

Question 3. To reach a stilt house ____________________ are used.
Answer: wooden ladders
In simple words: Ladders help people climb up into their raised homes.
Exam Tip: Ladders are removed at night for safety against wild animals.

Question 4. In Shimla houses are made of ______________________or _____________________
Answer: wood, stone
In simple words: Hilly regions like Shimla use wood and stone to build sturdy houses.

Answer: lifts (or elevators)
In simple words: Lifts help us travel quickly to upper floors in tall apartment buildings.
Exam Tip: Multistoreyed buildings are common in crowded cities.

Question 6. House boats can be seen in ________________________________in Kashmir.
Answer: Dal Lake (or Wular Lake)
In simple words: Houseboats float on the beautiful lakes of Kashmir.
Exam Tip: Houseboats are also called floating houses.

Question 7. Match the following:
Mud Houses - Rajasthan
Temporary Shelter - Tent
Caravan - House on wheels
Assam - Heavy rainfall
Igloo - Ice and Snow
Answer: Mud Houses matches Rajasthan; Temporary Shelter matches Tent; Caravan matches House on wheels; Assam matches Heavy rainfall; Igloo matches Ice and Snow.
In simple words: Different types of houses are built based on the climate and region.
Exam Tip: Match items carefully by linking materials and regions with their specific housing types.

Question 1. A ________________ house stands on wooden poles.
Answer: stilt
In simple words: Stilt houses are elevated on wooden pillars.
Exam Tip: Stilt houses prevent water from entering during floods.

Question 2. ________________ roofs help the snow to slide off easily.
Answer: Sloping
In simple words: Slanted roofs stop snow and rain from piling up on top of houses.

Question 3. In ________________ houseboats are found.
Answer: Kashmir (and Kerala)
In simple words: Houseboats float on water bodies in Kashmir.
Exam Tip: Houseboats are popular tourist attractions.

Question 4. An ________________ is made of ice and snow.
Answer: igloo
In simple words: Igloos are dome-shaped houses built from blocks of hard snow.
Exam Tip: Eskimos live in igloos in extremely cold polar regions.

Question 5. A ________________ is a house on wheels.
Answer: caravan
In simple words: Caravans can be driven from place to place like a vehicle.

Answer: Multistoreyed (or Pucca)
In simple words: Tall apartment buildings are built in crowded urban areas.
Exam Tip: Cities have limited land, so buildings grow upwards.

Question 7. We can see house boats in the ________________ of Kashmir.
Answer: lakes
In simple words: Dal Lake is famous for its houseboats.
Exam Tip: Remember that houseboats float on water.

Question 8. ________________ is a place having heavy rainfall.
Answer: Assam
In simple words: Assam gets heavy monsoon rains.

Answer: lifts (or stairs)
In simple words: Lifts make climbing tall buildings easy.

Answer: (b) igloo
In simple words: Eskimos build snow houses called igloos in freezing regions.
Exam Tip: Match Eskimo directly with igloo.

Question 2. Stilt houses are found in
(a) Delhi
(b) Assam
(c) Rajasthan
Answer: (b) Assam
In simple words: Assam has heavy rains and floods, so stilt houses are built there.
Exam Tip: Stilt houses = Assam.

Question 3. Houseboats are found in
(a) Kashmir
(b) Kerala
(c) Delhi
Answer: (a) Kashmir
In simple words: Kashmir is well known for its scenic lakes and houseboats.
Exam Tip: Houseboats = Kashmir.

Question 4. A stilt house stands on
(a) Road
(b) Wooden Poles
(c) Roofs
Answer: (b) Wooden Poles
In simple words: Wooden pillars lift the house safely above the ground.
Exam Tip: Stilt houses use wooden poles.

Question 5. A tent is made of
(a) Canvas
(b) Wheels
(c) Mud
Answer: (a) Canvas
In simple words: Canvas or strong cloth is used to make tents.
Exam Tip: Tents are lightweight and portable temporary shelters.

Question 1. What is an igloo?
Answer: An igloo is a dome-shaped house made of blocks of ice and snow, built by Eskimos in extremely cold polar regions.
In simple words: An igloo is a snow house built in very cold places.
Exam Tip: Mention both "ice and snow" and "Eskimos" to secure full marks.

Question 2. Why do houses in hilly areas have sloping roofs?
Answer: Houses in hilly areas have sloping roofs so that rain water and snow can easily slide off without collecting on the roof.
In simple words: Slanted roofs prevent rain and snow from gathering on top of the house.
Exam Tip: Key terms: slide off, snow, rain, hilly areas.

Question 1. A train moves on ____________________________________
Answer: iron rails (or tracks)
In simple words: Trains run on metal tracks across the country.
Exam Tip: Trains are a vital mode of land transport.

Question 2. A ____________________checks the tickets of the people who travel by train.
Answer: Ticket Collector (TC or TTE)
In simple words: The ticket collector checks passenger tickets onboard.

Answer: foot
In simple words: Before vehicles were invented, early humans walked everywhere or rode animals.
Exam Tip: Early man relied entirely on walking and domestic animals.

Question 4. ________________________________is the fastest means of transport.
Answer: Aeroplane
In simple words: Air transport is the quickest way to travel long distances.
Exam Tip: Aeroplanes save maximum travel time over long journeys.

Question 5. A __________________ carries luggage at the railway station.
Answer: coolie (or porter)
In simple words: Coolies help passengers carry heavy bags and suitcases at stations.
Exam Tip: Coolies wear red shirts and armbands with unique numbers.

Question 6. A __________________________is a place where a road and a railway track cross each other.
Answer: level crossing
In simple words: A level crossing is where roads intersect railway lines.

Answer: accidents
In simple words: Gates at level crossings prevent vehicles from colliding with trains.

Answer: Land: Train and Bus; Water: Ship and Boat; Air: Aeroplane and Helicopter.
In simple words: Vehicles move on land, water, or air depending on their design.
Exam Tip: Provide clear examples for each category.

Question 1. The [ Vendors/Coolies] sell things at the railway station.
Answer: Vendors
In simple words: Vendors sell snacks, tea, and newspapers at stations.

Answer: coolies
Answer: coolies
In simple words: Porters wear distinct red shirts for easy identification.
Exam Tip: Red uniform is the hallmark of railway coolies.

Question 3. A person who looks after everything at great detail at the railway station is [Guard / Station Master].
Answer: Station Master
In simple words: The Station Master manages the overall operations of a railway station.
Exam Tip: Station Master is in charge of station administration.

Question 1. A plant has two parts _______________ and _______________.
Answer: root, shoot
In simple words: The root grows underground, and the shoot grows above ground.

Answer: above, below
In simple words: Shoots are above soil; roots are under soil.
Exam Tip: Easy way to remember: roots dig down, shoots reach up to the sky.

Question 3. The green colouring matter in the leaves is called ______________.
Answer: chlorophyll
In simple words: Chlorophyll gives leaves their green color and traps sunlight.

Answer: food factories (or kitchen)
In simple words: Leaves prepare food for the entire plant.

Answer: Mehandi (Henna)
In simple words: Mehandi leaves are crushed to make a paste used for body art.

Answer: herb
In simple words: Tulsi is a small plant with medicinal properties.

Answer: shrub
In simple words: Rose plants are bushy with hard woody stems.

Answer: climber
In simple words: Grapevines need support to grow upwards.

Answer: creeper
In simple words: Pumpkins grow and spread along the ground because they bear heavy fruit.

Answer: Chlorophyll is the green pigment present in plant leaves that traps sunlight for making food.
In simple words: Chlorophyll is the green substance in leaves that catches sunlight.
Exam Tip: Mention "green pigment" and "sunlight" for complete marks.

Question 2. What is photosynthesis?
Answer: Photosynthesis is the process by which green plants make their food using sunlight, water, carbon dioxide, and chlorophyll.
In simple words: Photosynthesis is how plants make food using sunlight, water, and air.

Answer: Banana leaf
In simple words: Large leaves like banana leaves serve as eco-friendly plates.

Coriander (or Mint)
Answer: Coriander (or Mint)
In simple words: Herbs like mint and coriander add flavor and are used in chutneys.
Exam Tip: Herbs enhance the taste of meals.

Question 3. I make your mouth red. _________________
Answer: Betel leaf (Paan)
In simple words: Betel leaves turn the mouth red when chewed.

Answer: Mehandi (Henna)
In simple words: Henna paste stains hands and palms red-orange.

Answer: photosynthesis
In simple words: Plants prepare their food through photosynthesis.
Exam Tip: Photosynthesis means making food using light.

Question 2. Plants take in water from the soil through _________________.
Answer: roots
In simple words: Roots absorb water and minerals from the earth.

Answer: stomata
In simple words: Tiny breathing pores on leaves are called stomata.

Answer: seed
In simple words: Seeds grow into new plants under right conditions.

Answer: Roots
In simple words: Roots anchor the plant securely in the ground.

Answer: Mango tree, Neem tree
In simple words: Mango and neem are large, sturdy trees.

Answer: Mint, Coriander
In simple words: Mint and coriander are small, delicate plants.

Answer: Money plant, Grapevine
In simple words: Climbers need walls or sticks to grow upright.

Answer: Rose, Jasmine
In simple words: Rose and jasmine bushes are medium-sized with woody stems.

Answer: Leaves
In simple words: Leaves produce food for the plant.

Answer: Pumpkin, Watermelon
Answer: Pumpkin, Watermelon
In simple words: Creepers bear heavy fruits and crawl along the ground.

Answer: Shoot
In simple words: The stem, leaves, and flowers form the shoot system.

Answer: Root
In simple words: Roots grow downward beneath the soil.

Answer: Climbers
In simple words: Climbers take support to grow high.

Answer: Shrubs
In simple words: Shrubs are bushy and smaller than trees.

Answer: herb
In simple words: Tulsi is classified as a medicinal herb.

Answer: chlorophyll
In simple words: Chlorophyll is the green pigment in leaves.

Answer: shrub
In simple words: Rose is a bushy shrub.

Answer: trees
In simple words: Large plants with hard trunks are trees.

Answer: climber
In simple words: Grapevines climb with support.

Answer: creepers
In simple words: Creepers spread across the ground.

Answer: True
In simple words: Water in blood transports nutrients throughout our body.

Answer: False
In simple words: Plants need water to survive and prepare food.

Answer: True
In simple words: Different plants have unique leaves.

Answer: True
In simple words: Leaves provide food, medicine, and shelter.

Answer: True
In simple words: Henna leaves create traditional red skin stains.

Answer: two
In simple words: All birds have two legs and feet.

Answer: wings (or a beak)
In simple words: Feathers, wings, and beaks are special features of birds.

Answer: fly
In simple words: Flying is a key ability of most bird species.

Answer: owl
In simple words: Owls can turn their heads around by a large angle.

Answer: parrot, mynah
In simple words: Parrots and mynahs can copy human speech.

Answer: Body (or Contour)
In simple words: Contour feathers give birds their streamlined shape.

Answer: Down
In simple words: Fluffy down feathers trap body heat.

Answer: Flight
In simple words: Long flight feathers provide lift for flying.

Answer: Birds
In simple words: Feathers are unique to birds.

Answer: False
In simple words: Birds do not have teeth; they have beaks instead.

Answer: False
In simple words: Flightless birds like kiwis and emus cannot fly.

: False
In simple words: Peacocks can only fly short distances and low heights.

Answer: Lightweight hollow bones, wings with flight feathers, and a boat-shaped body help birds fly.
In simple words: Wings, feathers, and light bones help birds soar.

Exam Tip: Mention wings, feathers, and hollow bones.

Question 2. Name three types of feathers.
Answer: Flight feathers, down feathers, and body feathers.
In simple words: The three main feather types are flight, down, and body feathers.

Answer: Crow, Pigeon
In simple words: Crows and pigeons are common birds.

Answer: Owl
In simple words: Owls can turn their heads around very far.

Answer: Parrot
In simple words: Parrots copy human sounds.

Answer: Birds
In simple words: Birds walk on two legs.

Answer: Birds
In simple words: Only birds possess feathers.

Answer: Parrot (or Eagle / Hawk)
In simple words: Meat-eating and fruit-cracking birds have hooked beaks.

Answer: Duck
In simple words: Ducks use flat beaks to filter food from muddy water.

Answer: Woodpecker
In simple words: Woodpeckers drill into tree bark with sharp beaks.

Answer: True
In simple words: Beaks and claws match what birds eat and where they live.

Answer: True
In simple words: Ducks sift through mud for food.

Answer: True
In simple words: Since they have no hands, birds use beaks for feeding.

Answer: True
In simple words: Seed-eating birds have strong, cone-shaped beaks.

Answer: leisure (or free)
In simple words: Free time is spent resting or playing hobbies.

Answer: work, play
In simple words: Working and playing in equal measure keeps us healthy.

Answer: a) Reading books, b) Painting, c) Playing outdoor games
In simple words: Hobbies fill our free time with joy.

Answer: a) Teacher, b) Doctor, c) Farmer
In simple words: Occupations are jobs people do to earn a living.

Answer: leisure time
In simple words: Relaxing time is leisure time.

Answer: offices
In simple words: City dwellers work in offices, factories, and hotels.

Answer: painting, gardening
In simple words: People enjoy gardening and painting in spare time.

Answer: carpenter
In simple words: Carpenters craft wooden chairs, tables, and beds.

Answer: cobbler
In simple words: Cobblers mend and make footwear.

Answer: plumber
In simple words: Plumbers fix water pipes and taps.

Answer: tailor
In simple words: Tailors stitch garments for us.

Answer: urgent (or short)
In simple words: Telegrams deliver quick, brief messages.

Answer: communication
In simple words: Postal services help people communicate over distances.

Answer: airmail (or international post / stamp)
In simple words: Letters sent abroad go via airmail.

Answer: postman
In simple words: Postmen collect and deliver mail.

Answer: Alexander Graham Bell
In simple words: Alexander Graham Bell invented the telephone.

Answer: computer (or internet)
In simple words: Emails travel instantly over the internet.

Answer: Subscriber Trunk Dialling
In simple words: STD calls connect different cities within the same country.

Answer: International Subscriber Dialling
In simple words: ISD calls connect callers to foreign countries.

Answer: Electronic Mail
In simple words: Email stands for electronic mail sent online.

Answer: John Logie Baird
In simple words: John Logie Baird invented the television.

Answer: STD
In simple words: Inter-state calls use STD services.

Answer: telephone
In simple words: Telephones allow instant spoken communication.

Answer: ISD
In simple words: Overseas calls require ISD codes.

Answer: a) Letter, b) Telephone
In simple words: Individual communication happens between two people.

Answer: a) Television, b) Newspaper
In simple words: Mass communication reaches large audiences simultaneously.

Answer: Crawling
In simple words: Moving slowly close to the ground is crawling.

Answer: dark, damp
In simple words: Creepy-crawlies like shady, wet spots.

Question 3. A _____________ catches a prey in its web.
Answer: spider
In simple words: Spiders spin sticky webs to trap insects.

Answer: Houseflies (or Cockroaches)
In simple words: Houseflies sit on garbage and spread germs onto food.

Answer: Wasp (or Bee)
In simple words: Wasps and bees have painful stings and yellow-black stripes.

Answer: Anteater (or Lizard / Pangolin)
In simple words: Anteaters feed primarily on ants.

Answer: a) Snake, b) Lizard
In simple words: Snakes and lizards crawl on the ground.

Answer: a) Beetle, b) Housefly (or Butterfly)
In simple words: Some insects can both crawl and fly.

Question 3. Two insects: a) ______________________ b) _______________________
Answer: a) Ant, b) Butterfly
In simple words: Ants and butterflies are common insects.

Answer: a) Bird, b) Frog
In simple words: Birds and frogs prey on small crawling creatures.

Answer: a) Leech, b) Tick (or Louse)
In simple words: Parasites like leeches and ticks feed on blood.

Answer: True
In simple words: Head lice feed on human scalp blood.

Answer: False
In simple words: Spiders are arachnids with eight legs, not insects.

Answer: True
In simple words: Ants often build nests in decaying timber.

Answer: True
In simple words: Traditional mail takes days compared to instant messaging.

Answer: Crawling
In simple words: Slow ground movement is crawling.

Answer: Insects
In simple words: All insects possess six legs.

Answer: eight
In simple words: Spiders have eight legs.

Answer: Earthworms (or Ants)
In simple words: Many small creatures burrow underground.

Answer: Anteater
In simple words: Anteaters specialize in eating ants.

Answer: Houseflies
In simple words: Flies transmit germs onto open food.

Answer: spider
In simple words: Spiders trap prey in sticky webs.

Answer: Wasp (or Bee)
In simple words: Wasps and bees have stingers and distinct colors.

Answer: Beetle, Housefly
In simple words: Insects like beetles and flies crawl and fly.

Question 2. Any two animals that suck blood on the bodies of animals: ____________________________, ___________________________
Answer: Leech, Tick
In simple words: Leeches and ticks feed on host blood.

Question 3. Any two enemies of crawling animals: ____________________________, ___________________________
Answer: Frog, Bird
In simple words: Frogs and birds eat small crawling animals.

Question 4. Any two crawling animals: ____________________________, ___________________________
Answer: Snake, Earthworm
In simple words: Snakes and earthworms crawl along the ground.

Question 5. Any two crawling animals that are found under dead leaves, rocks or on damp ground: ____________________________, ___________________________
Answer: Beetle, Millipede (or Snail)
In simple words: Damp places shelter small creeping creatures.

Question 1. _________________ is the uppermost layer of the Earth's crust.
Answer: Topsoil
In simple words: Topsoil is the topmost layer where plants grow.

Answer: Plants
In simple words: Plants absorb water and minerals through their roots in the soil.

Answer: Loam (or Loamy soil)
In simple words: Loamy soil holds right amounts of water and air for plants.

Answer: rocks
In simple words: Weathering of rocks over thousands of years forms soil.

Answer: Clay (or Clayey soil)
In simple words: Clay holds water tightly and is perfect for pottery.

Answer: Humus
In simple words: Humus makes soil fertile and dark in color.

Answer: True
In simple words: Soil has layers like topsoil, subsoil, and bedrock.

Answer: True
In simple words: Loam is a mixture of sand, silt, and clay.

Answer: True
In simple words: Construction work requires sand mixed with cement.

Answer: True
In simple words: Earthworms, insects, and moles live in the soil.

Answer: False
In simple words: Topsoil is the topmost layer; subsoil lies beneath it.

Answer: False
In simple words: Topsoil is usually dark because it contains organic humus.

Answer: Topsoil
In simple words: Topsoil forms the upper layer.

Question 2. Plants get water and minerals from _____________________.
Answer: soil
In simple words: Soil supplies water and minerals to plants.

Question 3. ____________________ is the best soil for growing plants.
Answer: Loam
In simple words: Loamy soil is ideal for crops.

Question 4. Soil is formed by the ________________up of rocks.
Answer: breaking
In simple words: Rocks break down to form soil.

Question 5. ________________contains both sand and clay.
Answer: Loam
In simple words: Loam contains sand and clay mixture.

Question 6. _________________contains the dead remains of plants and animals.
Answer: Humus
In simple words: Humus consists of decayed organic matter.

Question 7. _______________ is made up of very small particles.
Answer: Clay
In simple words: Clay particles are extremely fine.

Question 8. ________________ is used for making toys and pots.
Answer: Clay
In simple words: Clay is molded into pots and toys.

Question 9. _______________ does not hold water.
Answer: Sand
In simple words: Sandy soil drains water quickly.

Question 10. _______________ is made up of big particles.
Answer: Sand
In simple words: Sand particles are coarse and large.

Question 1. The bottom layer of soil is called as subsoil. (__________________)
Answer: False (Bedrock is at the bottom)
In simple words: Bedrock is the deepest layer beneath subsoil.

Question 2. Soil is the home of many small animals. (_________________)
Answer: True
In simple words: Soil shelters worms and insects.

Question 3. Soil is formed in a number of layers. (_________________)
Answer: True
In simple words: Soil has distinct horizontal strata.

Question 4. Gravel is the best soil for growing plants. (_________________)
Answer: False
In simple words: Loam is best for growing plants, not gravel.

Question 5. Farmers add manure to the soil to grow better crops. (___________)
Answer: True
In simple words: Manure enriches soil fertility for farming.

Question 1. The different kinds of soil: a. ______________________ b. ______________________ c. ______________________ d. ______________________
Answer: a. Sandy soil, b. Clayey soil, c. Loamy soil, d. Silt soil
In simple words: The four major soil types are sand, clay, loam, and silt.

Question 2. The three layers of soil: a. ______________________ b. ______________________ c. ______________________
Answer: a. Topsoil, b. Subsoil, c. Bedrock
In simple words: Soil layers include topsoil, subsoil, and bedrock.

Question 1. A group of tissues form an ___________________.
Answer: organ
In simple words: Tissues group together to create body organs.

Question 2. The vessels taking blood away from the heart are called __________________.
Answer: arteries
In simple words: Arteries carry oxygen-rich blood away from the heart.

Question 3. The __________________ controls all the organs of the body.
Answer: brain
In simple words: The brain acts as the control center of the body.

Question 4. The air which we breathe out contains ___________________ and _______________.
Answer: carbon dioxide, water vapor
In simple words: Exhaled air is rich in carbon dioxide.

Question 5. Our body uses oxygen to burn food and release energy. This process is called ______________________
Answer: respiration (or breathing / oxidation)
In simple words: Respiration releases energy from food using oxygen.

Question 6. ______________________ together with bones help the body and its part to move.
Answer: Muscles
In simple words: Bones and muscles work together for movement.

Question 7. _____________________ system protects all the organs inside the body.
Answer: Skeletal system
In simple words: Bones form a protective cage around internal organs.

Question 8. Cells of the same kind make a ____________________.
Answer: tissue
In simple words: Similar cells combine to form tissues.

Question 9. Circulatory system consists of the _____________ and _____________________.
Answer: heart, blood vessels
In simple words: The heart and blood vessels make up circulation.

Question 10. We learn, think and act with the help of our ________________ system.
Answer: nervous
In simple words: The nervous system handles thinking and learning.

Question 1. The word artery comes from Greek word meaning air carrier. ____________
Answer: True
In simple words: Ancient Greeks thought arteries carried air.

Question 2. There are nine systems in our body. _______________
Answer: True
In simple words: The human body functions through various organ systems.

Question 3. Five sense organs which help us to know the world around us. ______________
Answer: True
In simple words: Eyes, ears, nose, tongue, and skin are our five senses.

Question 4. We breathe through our mouth. ______________
Answer: False (We primarily breathe through the nose)
In simple words: The nose filters inhaled air.

Question 5. Our body uses carbon dioxide to burn food and release energy. ____________
Answer: False (It uses oxygen)
In simple words: Oxygen burns food to produce energy.

Question 6. Nervous system consists of the brain and the nerves. _______________
Answer: True
In simple words: Brain, spinal cord, and nerves form the nervous system.

Question 7. The blood supplies food, oxygen and other materials to all parts of the body. _______
Answer: True
In simple words: Blood transports vital nutrients everywhere.

Question 8. Our body has a framework of more than 200 bones. ______________
Answer: True (206 bones in adults)
In simple words: An adult human skeleton has 206 bones.

Question 1. Liver matches Digestive system
Question 2. Windpipe matches Respiratory system
Question 3. Vein matches Circulatory system
Question 4. Tongue matches Sense organ
Question 5. Kidney matches Excretory system
Question 6. Bones matches Skeletal System
Answer: Liver - Digestive system; Windpipe - Respiratory system; Vein - Circulatory system; Tongue - Sense organ; Kidney - Excretory system; Bones - Skeletal System.
In simple words: Organs match their respective body systems.

Question 1. The food changes into a fine paste in _______________________.
Answer: stomach
In simple words: Food is churned into paste in the stomach.

Question 2. Juices present in the stomach and small intestine __________the food.
Answer: digest
In simple words: Digestive juices break down food.

Question 3. The oxygen burns the ____________ to give energy.
Answer: food
In simple words: Oxygen reacts with food to release energy.

Question 4. We breathe through our _____________________.
Answer: nose
In simple words: Breathing happens mainly through the nose.

Question 5. The hair present in the nose cleans the air by catching _________and _________ particles.
Answer: dust, smoke
In simple words: Nose hairs filter out dust and dirt.

Question 6. The chest _______________ when we breathe in and _____________ when we breathe out.
Answer: expands, contracts
In simple words: Chest moves out during inhalation and in during exhalation.

Question 7. The vessels bringing blood towards the heart are called ____________.
Answer: veins
In simple words: Veins bring blood back to the heart.

Question 8. The word _____________ comes from Greek word meaning air carrier.
Answer: artery
In simple words: Arteries were once believed to carry air.

Question 9. If all our nerves are joined end to end they will go round the equator ______times.
Answer: two (or several)
In simple words: Human nerves span a massive total length.

Question 10. The waste matter in the form of expired air is ________________gas.
Answer: carbon dioxide
In simple words: We breathe out carbon dioxide waste gas.

Question 1. The organs of respiration: _______________________, ________________________
Answer: Nose, Lungs
In simple words: Nose and lungs handle breathing.

Question 2. The gases involved in the process of respiration: _______________________, ________________________
Answer: Oxygen, Carbon dioxide
In simple words: We take in oxygen and release carbon dioxide.

Question 3. The air we breathe out contains: _______________________, ________________________
Answer: Carbon dioxide, Water vapor
In simple words: Expired air has carbon dioxide and moisture.

Question 4. The process of removing waste matter from our body: ______________________________________________
Answer: Excretion
In simple words: Removing body waste is called excretion.

Question 5. The thread like tubes called blood vessels: _______________________, ________________________
Answer: Arteries, Veins (and Capillaries)
In simple words: Blood flows through arteries and veins.

Question 6. The system that consists of brain and nerves: _______________________, ________________________
Answer: Nervous system
In simple words: Brain and nerves form the nervous system.

Question 7. The system which helps to produce babies: ______________________________________________
Answer: Reproductive system
In simple words: Reproduction creates new life.

Question 8. The system that takes food and changes its form to give us energy: ______________________________________________
Answer: Digestive system
In simple words: Digestion turns food into energy.

Question 9. Muscular system consists of ____________________ and _____________________
Answer: Muscles, tendons (or skeletal muscles)
In simple words: Muscles make up the muscular system.

Question 10. The system that gives shape and support to our body: ______________________________________________
Answer: Skeletal system
In simple words: Bones give us structural shape and support.

Question 1. The food which is not useful goes into the large intestine and is sent out through rectum and anus . [ ]
Answer: True
In simple words: Undigested waste leaves the body through the anus.

Question 2. Our body uses oxygen to burn food and release energy. [ ]
Answer: True
In simple words: Oxygen converts food into usable energy.

Question 3. The arteries are the blood vessels which take the blood away from the heart. [ ]
Answer: True
In simple words: Arteries transport blood away from the heart.

Question 4. The brain receives messages and gives orders for action. [ ]
Answer: True
In simple words: The brain processes signals and commands actions.

Question 5. More than two thirds of our body is made up of water. [ ]
Answer: True
In simple words: Water makes up roughly 70 percent of human body weight.

Question 1. The flat ends of the earth are called the ____________________.
Answer: poles (North Pole and South Pole)
In simple words: Earth is slightly flattened at the poles.

Question 2. ____________________ of the earth’s surface is covered with water.
Answer: Three-fourths (\(\frac{3}{4}\) or 75%)
In simple words: Most of Earth is covered by oceans.

Question 3. When it is _______________ in India, it is night in ___________________.
Answer: day, America (or opposite side of the world)
In simple words: Opposite sides of the Earth experience day and night at different times.

Question 4. The moon takes _______________ days to revolve once round the earth.
Answer: 27 \(\frac{1}{3}\) (or about 28)
In simple words: The moon takes roughly 28 days to orbit Earth.

Question 5. Sometimes we do not see the _______________ up face of the moon at all. It is called the ______________________ moon.
Answer: illuminated (lit), new
In simple words: The dark moon phase is called the new moon.

Question 1. A group of stars that forms interesting patterns in the sky. ___________________
Answer: Constellation
In simple words: Star patterns are called constellations.

Question 2. Name two constellations. ___________________, ______________________
Answer: Ursa Major, Orion
In simple words: Ursa Major and Orion are famous constellations.

Question 3. Any two phases of the moon. ____________________, ____________________
Answer: Full moon, New moon (or Crescent)
In simple words: Moon phases include full moon and crescent.

Question 4. Two movements of the earth. ___________________, _____________________
Answer: Rotation, Revolution
In simple words: Earth rotates on its axis and revolves around the sun.

Question 5. The planet that looks like an orange. ___________________
Answer: Earth
In simple words: Earth is slightly flattened at the poles like an orange.

Question 6. The natural satellite of earth. ____________________
Answer: Moon
In simple words: The moon is Earth's only natural satellite.

Question 1. The flat ends of the earth are called ________________.
Answer: poles
In simple words: Earth's poles are flattened ends.

Question 2. The ________________earth causes day and night.
Answer: rotation of the
In simple words: Earth's rotation creates day and night.

Question 3. ________________are caused due to the revolution of the earth.
Answer: Seasons
In simple words: Revolving around the sun causes seasons.

Question 4. The earth rotates on its _____________________.
Answer: axis
In simple words: Earth spins on its imaginary axis.

Question 5. The heavenly body that revolves round a planet is called ____________.
Answer: satellite
In simple words: Moons or satellites orbit planets.

Question 6. The moon revolves round the earth once in ________________ days.
Answer: 28 (or 27.3)
In simple words: Lunar orbit takes about 28 days.

Question 7. __________________ is our nearest neighbour in space.
Answer: Moon
In simple words: The moon is Earth's closest space neighbor.

Question 8. When we see the whole lit up face of the moon it is called __________.
Answer: Full moon
In simple words: A fully illuminated moon is a full moon.

Question 1. The imaginary line between north pole and south pole _______________
Answer: Axis
In simple words: Earth's axis connects the two poles.

Question 2. Time taken for one rotation. ____________________
Answer: 24 hours (1 day)
In simple words: One rotation takes 24 hours.

Question 3. Time taken for one revolution. _____________________
Answer: 365 \(\frac{1}{4}\) days (1 year)
In simple words: One revolution takes a full year.

Question 4. Any two constellations: a) ___________________ b) __________________
Answer: a) Ursa Major, b) Orion
In simple words: Ursa Major and Orion are constellations.

Question 5. Two types of movements of the earth: a) _______________________ b) ____________________________
Answer: a) Rotation, b) Revolution
In simple words: Earth rotates and revolves.

Question 1. [\(\frac{3}{4}\)] of the earth surface is covered with water.
Answer: \(\frac{3}{4}\)
In simple words: Three-fourths of Earth is water.

Question 2. The earth revolves round the (moon/sun).
Answer: sun
In simple words: Earth orbits the sun.

Question 3. The part of the earth which faces the sun has (day/ night).
Answer: day
In simple words: The sunlit side experiences daytime.

Question 4. Soon after the new moon is (full moon/ crescent moon)
Answer: crescent moon
In simple words: A sliver of light appears after a new moon.

Question 5. The earth revolves round the sun from ( west to east / east to west).
Answer: west to east
In simple words: Earth orbits counter-clockwise from west to east.

Question 1. The earth stands still in space. [ ]
Answer: False
In simple words: Earth is constantly in motion.

Question 2. When it is day in India, it is night in America. [ ]
Answer: True
In simple words: Opposite sides of the globe have opposite times.

Question 3. The moon has light of its own. [ ]
Answer: False
In simple words: The moon reflects sunlight; it doesn't produce its own light.

Question 4. The earth gets its light from the sun. [ ]
Answer: True
In simple words: Sunlight illuminates Earth.

Question 5. The photographs of the earth show that the earth is flat. [ ]
Answer: False
In simple words: Space photos prove Earth is spherical.

Question 6. The sun is not a star. [ ]
Answer: False (The sun is a star)
In simple words: The sun is actually a medium-sized star.

Question 1. We can find a place with the help of a ________________.
Answer: map
In simple words: Maps help us navigate and locate places.

Question 2. A ______________ is a rough drawing.
Answer: sketch
In simple words: Sketches are unscaled rough drawings.

Question 3. A ______________ is a drawing made to scale.
Answer: map
In simple words: Maps represent areas accurately using scale.

Question 4. The four main directions are ______________, ______________, ______________, and ______________.
Answer: North, South, East, West
In simple words: The four cardinal directions are North, South, East, and West.

Question 5. All maps have ______________ at the top.
Answer: North
In simple words: North is always marked at the top of maps.

Question 6. A ______________ helps to find directions.
Answer: compass
In simple words: Compasses point toward magnetic north.

Question 7. The sun rises in the ______________.
Answer: East
In simple words: Sunrise always happens in the east.

Question 8. The sun sets in the ______________.
Answer: West
In simple words: Sunset always happens in the west.

Question 9. The needle of a compass is always points to the ______________.
Answer: North
In simple words: Compass needles point north.

Question 10. It is easy to find ______________ it we have a compass.
Answer: directions
In simple words: Compasses make finding directions simple.

Question 1. Name the four directions.
Answer: North, South, East, and West.
In simple words: The four main directions are North, South, East, and West.

Question 2. How do maps or sketches help us?
Answer: Maps and sketches help us find locations, understand routes, and navigate unfamiliar places easily.
In simple words: They guide us to find places and directions.

Question 1. Name any three trees: _________________, ________________, _________________.
Answer: Banyan, Neem, Mango
In simple words: Banyan, neem, and mango are large trees.

Question 2. Name any two herbs: ________________, _________________.
Answer: Mint, Coriander
In simple words: Mint and coriander are small herbs.

Question 3. Name any two shrubs: ________________, _________________.
Answer: Rose, Jasmine
In simple words: Rose and jasmine are woody shrubs.

Question 4. Any two climbers: ________________, _________________.
Answer: Money plant, Pea plant
In simple words: Money plants and pea plants climb with support.

Question 5. Any two creepers: ________________, _________________.
Answer: Pumpkin, Watermelon
In simple words: Pumpkins and watermelons creep along the ground.

Question 6. Any three plants that you have heard of but never seen: _________________, ________________, _________________.
Answer: Venus flytrap, Pitcher plant, Baobab
In simple words: Rare plants include pitcher plants and baobabs.

Question 1. Trees shed their leaves in the ( autumn / spring ) season.
Answer: autumn
In simple words: Deciduous trees shed leaves in autumn.

Question 2. Roots holds the plant _____________ in the soil.
Answer: firmly
In simple words: Roots anchor plants securely.

Question 3. Roots suck in ________________ and ____________ from the soil.
Answer: water, minerals
In simple words: Roots absorb water and minerals.

Question 1. A _________ is a rough drawing.
Answer: sketch
In simple words: A sketch is a rough drawing.

Question 2. All maps have _________________at the top.
Answer: North
In simple words: North points upward on maps.

Question 3. A _________________ helps to find directions.
Answer: compass
In simple words: Compasses show directions.

Question 4. A map is a drawing made to ____________________.
Answer: scale
In simple words: Scaled drawings are maps.

Question 5. The sun rises in the ________________ and sets in the ______________.
Answer: East, West
In simple words: The sun rises in east and sets in west.

Question 1. The needle of the compass always points to the (north / south)
Answer: north
In simple words: Compass needles point north.

Question 2. A (sketch / map) is a rough drawing.
Answer: sketch
In simple words: Sketches are unscaled drawings.

Question 3. A ( map/sketch) is a drawing made to scale.
Answer: map
In simple words: Maps are drawn to scale.

Question 4. When we are facing the rising sun in the morning, we actually face the (East/ West).
Answer: East
In simple words: Facing sunrise means facing east.

Question 1. Two animals that live in water: ____________________ __________________________
Answer: Fish, Whale
In simple words: Fish and whales live underwater.

Question 2. Two animals that crawl on land: ____________________ __________________________
Answer: Snake, Lizard
In simple words: Snakes and lizards crawl on land.

Question 3. Two animals that live on land: ____________________ __________________________
Answer: Lion, Elephant
In simple words: Lions and elephants live on land.

Question 4. Two animals that have horns: ____________________ __________________________
Answer: Cow, Goat
In simple words: Cows and goats have horns.

Question 5. Two animals that live both on land and water: ____________________ __________________________
Answer: Frog, Crocodile
In simple words: Frogs and crocodiles live both on land and in water.

Question 1. Plants take water from the soil through _______________.
Answer: roots
In simple words: Roots absorb soil water.

Question 2. The green colouring pigment present in the plant is called __________________.
Answer: chlorophyll
In simple words: Chlorophyll gives leaves green color.

Question 3. The process of making food by the plants is called ________________.
Answer: photosynthesis
In simple words: Food making in plants is photosynthesis.

Question 4. ______________________ breathe through pores in their leaves.
Answer: Plants
In simple words: Plants breathe through leaf pores.

Question 5. A _______________ turns into a plant.
Answer: seed
In simple words: Seeds grow into plants.

Question 6. A _____________ is a mammal which lives in water.
Answer: Whale (or Dolphin)
In simple words: Whales are aquatic mammals.

Question 1. All living things can breathe. [ ]
Answer: True
In simple words: Respiration is a key sign of life.

Question 2. Plants do not need food and water. [ ]
Answer: False
In simple words: Plants need water and manufactured food.

Question 3. A Whale gives birth to baby whales. [ ]
Answer: True
In simple words: Whales are mammals that give live birth.

Question 4. Fish breathe through gills. [ ]
Answer: True
In simple words: Gills extract dissolved oxygen underwater.

Question 5. A seed turns into a plant. [ ]
Answer: True
In simple words: Germinating seeds grow into seedlings.

Question 1. Name any two domestic animals: ____________________, ____________________
Answer: Cow, Horse
In simple words: Cows and horses are useful domestic animals.

Question 2. Name two pet animals: ____________________, ____________________
Answer: Dog, Cat
In simple words: Dogs and cats are common household pets.

Question 3. The animal that carry heavy load: _____________________________
Answer: Donkey (or Elephant / Camel)
In simple words: Pack animals carry heavy burdens.

Question 4. The animal that gives us wool: _____________________________
Answer: Sheep
In simple words: Sheep provide wool for winter clothes.

Question 5. The animal that gives us milk: __________________________
Answer: Cow (or Goat)
In simple words: Dairy animals provide milk.

Question 1. Hens eat __________ and _______________.
Answer: grains, worms
In simple words: Hens feed on seeds and small insects.

Question 2. The silk worm gives us ______________.
Answer: silk
In simple words: Silkworms produce silk threads.

Question 3. The honey bee gives us _________________.
Answer: honey
In simple words: Bees make sweet honey.

Question 4. The oxen are used to _______________the fields.
Answer: plough
In simple words: Oxen help farmers plough agricultural land.

Question 5. The ________________makes the soil fertile.
Answer: earthworm (or manure)
In simple words: Earthworms improve soil fertility.

Question 6. Hen gives us _________________.
Answer: eggs (and meat)
In simple words: Hens provide nutritious eggs.

Question 1. Things given to us by nature are called ________________ resources.
Answer: natural
In simple words: Gifts of nature are natural resources.

Question 2. Living things cannot live without ________________.
Answer: water (or air)
In simple words: Water and air are essential for life.

Question 3. The __________________ is the only planet to have water.
Answer: Earth
In simple words: Earth is the water planet.

Question 4. __________________ is the uppermost layer of the earth’s crust.
Answer: Topsoil
In simple words: Topsoil forms the surface layer.

Question 5. A _______________________ treat sick or injured animals.
Answer: veterinarian (vet)
In simple words: Animal doctors are called vets.

Question 6. The Government of India has started 'Project Tiger' to protect the ______________.
Answer: tiger
In simple words: Project Tiger saves endangered tigers.

Question 1. We can not see air but we can feel it. ___________
Answer: True
In simple words: Moving air is felt as wind.

Question 2. Without water, life is possible. ______________
Answer: False
In simple words: Water is indispensable for life.

Question 3. We must take care of plants and animals. ______________
Answer: True
In simple words: Conserving nature is our duty.

Question 4. We should throw the garbage on the road. ______________
Answer: False
In simple words: Garbage belongs in dustbins, not streets.

Question 5. We should water the plants regularly. ____________
Answer: True
In simple words: Plants need regular watering to grow.

Question 6. We should tease animals. _______________
Answer: False
In simple words: Animals should never be teased or harmed.

Question 7. If air or water gets dirty it can cause many diseases. ____________
Answer: True
In simple words: Pollution causes serious illnesses.

Question 1. Three layers of the soil: a. ____________ b. ____________ c. ____________
Answer: a. Topsoil, b. Subsoil, c. Bedrock
In simple words: Soil layers are topsoil, subsoil, and bedrock.

Question 2. Three natural resources: a. ____________ b. ____________ c. ____________
Answer: a. Water, b. Air, c. Sunlight (or Soil)
In simple words: Water, air, and sunlight are natural resources.

Question 3. Three things that cause noise pollution: a. ____________ b. ____________ c. ____________
Answer: a. Loudspeakers, b. Vehicle horns, c. Loud music
In simple words: Horns, loudspeakers, and loud music cause noise pollution.

Question 4. The plant that has water: _____________________
Answer: Coconut (or Cactus)
In simple words: Coconut contains refreshing water.

Question 5. The uppermost layer of the earth's crust: ________________
Answer: Topsoil
In simple words: Topsoil is the surface crust layer.

Question 6. The project started by the Government of India to protect the tiger: _________________
Answer: Project Tiger
In simple words: Project Tiger conserves tigers.

Question 1. Things given to us by nature and which are very useful for us are called ______________.
Answer: natural resources
In simple words: Useful gifts of nature are natural resources.

Question 2. Loudspeakers, horns and loud music cause ________________ pollution.
Answer: noise
In simple words: Loud sounds cause noise pollution.

Question 1. Vet / Physician treat sick or injured animals.
Answer: Vet
In simple words: Veterinarians treat sick animals.

Question 2. Air becomes fresh by (garbage / trees).
Answer: trees
In simple words: Trees purify the air.

Question 3. Water gets polluted because of (cattle bathing/ smoke from factories)
Answer: cattle bathing (and factory smoke)
In simple words: Water pollution occurs due to bathing and waste.

Question 4. (Living things/ Non-living things) cannot live without air.
Answer: Living things
In simple words: Living beings require air to breathe.

Question 1. Dirty air and water are called polluted air and water.
Answer: True
In simple words: Contaminated air and water are polluted.

Question 2. We should step on the flowerbeds.
Answer: False
In simple words: We should protect flowers, not crush them.

Question 1. Name three layers of the soil.
Answer: Topsoil, Subsoil, and Bedrock.
In simple words: Soil layers are topsoil, subsoil, and bedrock.

Question 2. Name three types of pollution.
Answer: Air pollution, Water pollution, and Noise pollution.
In simple words: Pollution types include air, water, and noise pollution.

Question 1. Plants need water to ________________.
Answer: grow (and make food)
In simple words: Plants require water for growth.

Question 2. The camel is known as the _______________.
Answer: Ship of the desert
In simple words: Camels travel easily across sandy deserts.

Question 3. _______________ makes food in its stem.
Answer: Cactus
In simple words: Cactus plants use their stems for photosynthesis.

Question 4. The inside of the Cactus is filled with _______________ material.
Answer: fleshy / watery (or pulp)
In simple words: Cactus stems store water inside.

Question 5. Camel's _______________ is made of fat.
Answer: hump
In simple words: Camel humps store fat for energy.

Question 6. One of the way of conserving water is _______________ harvesting.
Answer: rainwater
In simple words: Rainwater harvesting saves precious water.

Question 7. _______________ helps us to digest our food.
Answer: Water
In simple words: Water aids digestion.

Question 8. _______________ water whenever possible.
Answer: Save (or Reuse)
In simple words: Conserve water whenever you can.

Question 9. Cactus stores food in its _______________.
Answer: stem
In simple words: Cactus stems store water and food.

Question 10. _______________ is a desert plant.
Answer: Cactus
In simple words: Cacti grow in dry deserts.

Question 1. What is rain water harvesting?
Answer: Rainwater harvesting is the process of collecting and storing rainwater for future use.
In simple words: Collecting rain water for later use is rainwater harvesting.

Question 2. List four ways to save water.
Answer: 1. Turn off taps while brushing teeth, 2. Use a bucket instead of a hose for washing cars, 3. Repair leaking pipes immediately, 4. Use leftover RO water for watering plants.
In simple words: Turn off taps, fix leaks, use buckets, and water plants wisely.

Question 3. Explain how camel and cactus live without water for a long time.
Answer: Camels store fat in their humps and can go days without drinking. Cactus plants store water in their fleshy stems and have spines instead of leaves to prevent water loss.
In simple words: Camels store fat in humps, and cacti store water in stems with spine leaves.

Question 1. Plants and animals live in dry desert area require less water. ( )
Answer: True
In simple words: Desert species adapt to survive with minimal water.

Question 2. Cactus does not have leaves. ( )
Answer: True (They are modified into spines)
In simple words: Cactus leaves are prickly spines.

Question 1. A desert plant: _______________________
Answer: Cactus
In simple words: Cactus is a typical desert plant.

Question 2. Ship of the desert: ____________________
Answer: Camel
In simple words: Camels are called desert ships.

Question 3. A plant that does not have leaves: ___________________
Answer: Cactus
In simple words: Cacti have spines instead of flat leaves.

Question 1. We should leave the taps run while brushing our teeth. ________________
Answer: False
In simple words: Taps should be turned off while brushing to save water.

Question 2. Use a bucket and a mug to have bath. ____________________________
Answer: True
In simple words: Bathing with a bucket saves water compared to showers.

Question 3. We should reuse water whenever possible. ________________
Answer: True
In simple words: Reusing water helps conserve resources.

Question 4. Plants do not need water to grow. _______________________
Answer: False
In simple words: Plants require water for growth.

Question 5. A cactus plant makes food in its stem. ___________________________
Answer: True
In simple words: Cactus stems perform photosynthesis.

Question 6. The camel can live without water for many days. _____________________
Answer: True
In simple words: Camels endure long periods without drinking.

Question 1. Food gives us ___________________.
Answer: energy (and strength)
In simple words: Food provides energy for daily activities.

Question 2. Milk is said to be a __________________ food.
Answer: complete
In simple words: Milk contains almost all essential nutrients.

Question 3. Food help us to __________________ and stay __________________.
Answer: grow, healthy
In simple words: Proper food helps us grow and stay healthy.

Question 4. Fruits and vegetable protect us from __________________.
Answer: diseases
In simple words: Protective foods prevent illness.

Question 5. The food of small babies is __________________.
Answer: milk
In simple words: Babies feed primarily on milk.

Question 6. Fruits and vegetables are rich in __________________ and __________________.
Answer: vitamins, minerals
In simple words: Fruits and veggies provide essential vitamins and minerals.

Question 1. Name three energy giving food: _________________, ___________________, ___________________.
Answer: Rice, Wheat, Potato (or Sugar, Butter)
In simple words: Carbohydrates and fats give us energy.

Question 2. Name three body building food: _________________, ___________________, ___________________.
Answer: Milk, Pulses, Eggs (or Fish)
In simple words: Proteins help build muscles and bones.

Question 3. Name three Protective food: _________________, ___________________, ___________________.
Answer: Fruits, Vegetables, Green leafy vegetables
In simple words: Vitamins and minerals protect against disease.

Question 4. All types of food in proper amount: _________________, ___________________, ___________________.
Answer: Balanced diet
In simple words: Eating the right proportions of all food groups is a balanced diet.

Question 1. What is a balanced diet?
Answer: A balanced diet contains the right amounts of energy-giving, body-building, and protective foods required for good health.
In simple words: A balanced diet has all essential nutrients in correct quantities.

Question 2. List some food items eaten by your family everyday.
Answer: Roti, rice, dal, vegetables, milk, and curd.
In simple words: Daily meals typically include chapati, rice, dal, and vegetables.

Question 3. Name three types (groups) of food.
Answer: Energy-giving food, Body-building food, and Protective food.
In simple words: The three main food groups provide energy, growth, and protection.

Question 1. _________________________ gives us energy.
Answer: Food (Energy-giving food)
In simple words: Food fuels our body.

Question 2. __________________and ___________________are two examples energy giving foods.
Answer: Rice, Wheat (or Potato, Sugar)
In simple words: Rice and wheat supply energy.

Question 3. ________________and ________________are two examples of body building foods.
Answer: Milk, Pulses (or Eggs)
In simple words: Milk and pulses build muscles.

Question 4. ________________________________is said to be a complete food.
Answer: Milk
In simple words: Milk is a complete food.

Question 5. _____________________and ___________________are examples of two protective foods.
Answer: Fruits, Vegetables
In simple words: Fruits and vegetables protect health.

Question 6. We cannot live without _____________________________.
Answer: food and water
In simple words: Food and water are vital for survival.

Question 7. Fruits and vegetables are rich in _______________and ___________________.
Answer: vitamins, minerals
In simple words: They are rich in vitamins and minerals.

Question 8. ____________________________foods protect us from diseases.
Answer: Protective
In simple words: Protective foods ward off illness.

Question 9. ____________________________helps us to grow and stay healthy.
Answer: Balanced diet (or Nutritious food)
In simple words: Good food promotes growth and health.

Question 10. We eat __________________types of food.
Answer: different (or three main)
In simple words: We eat various types of food.

Question 1. The art of making things out of clay is called ___________________.
Answer: pottery
In simple words: Shaping clay into objects is pottery.

Question 2. Early man used _____________________ for cooking and storing food.
Answer: clay pots
In simple words: Early humans cooked and stored food in clay vessels.

Question 3. Pots are fired in a ________________ which is a land of oven.
Answer: kiln
In simple words: Kilns bake pots to make them hard.

Question 4. Before the _______________ was invented, all pots were made with hand.
Answer: potter's wheel
In simple words: Handcrafting preceded the potter's wheel.

Question 5. Clay was pinched between the finger and thumbs to form the _______ pot.
Answer: pinch
In simple words: Pinch pots are shaped using fingers.

Question 6. Coils were formed intorings and placed on top of each other to form a ________ pot.
Answer: coil
In simple words: Coil pots are built using rolled clay ropes.

Question 7. Clay was put into a basket and dried and burned in fire to form the___________ pot.
Answer: molded (or baked)
In simple words: Early potters used baskets and fire for baking.

Question 1. Any two means of land transport: ________________________
Answer: Train, Bus
In simple words: Trains and buses run on land.

Question 2. Any two means of air transport: ________________________
Answer: Aeroplane, Helicopter
In simple words: Aeroplanes and helicopters fly in the air.

Question 3. Any two means of water transport: ________________________
Answer: Ship, Boat
In simple words: Ships and boats sail on water.

Question 4. The person who looks after ever thing at the railway station: _________________________
Answer: Station Master
In simple words: Station Master manages station operations.

Question 5. The means of transport which people use in villages: __________________________
Answer: Bullock cart (or Bicycle / Tractor)
In simple words: Bullock carts are common in rural areas.

Question 6. Which means of land transport would you use to travel from Delhi to Mumbai? __________________________
Answer: Train (Express train)
In simple words: Trains connect distant cities like Delhi and Mumbai.

Question 1. ________________ pulled by dogs are used in areas where there is heavy snowfall.
Answer: Sledge
In simple words: Sledges pulled by dogs travel across snow.

Question 2. People use animals such as _____________ and ___________ to travel and carry loads in hilly areas.
Answer: mule, pony (or donkey)
In simple words: Mules and ponies navigate mountain trails.

Question 3. Early man had to travel on ______________ or on __________________.
Answer: foot, animals
In simple words: Early humans walked or rode animals.

Question 4. ________________ have made our world a small place to live in.
Answer: Means of transport and communication
In simple words: Fast travel and communication connect the world.

Question 5. When the _______________ was invented, travel became easier, faster and more comfortable.
Answer: wheel
In simple words: The invention of the wheel revolutionized travel.

Question 6. __________________ is the fastest means of transport.
Answer: Aeroplane
In simple words: Air travel is the fastest.

Question 7. A level crossing helps to avoid __________.
Answer: accidents
In simple words: Level crossings prevent collisions.

Question 8. The airplane was invented by two brothers named _____________ and ________.
Answer: Orville Wright, Wilbur Wright (Wright brothers)
In simple words: The Wright brothers invented the airplane.

Question 1. Yard matches Where bogies are washed
Question 2. Guard matches Waves the flag at the railway station
Question 3. Vendors matches sell things
Question 4. Coolie matches Carries luggage
Question 5. Train matches moves on rails
Answer: Yard - Where bogies are washed; Guard - Waves the flag at the railway station; Vendors - sell things; Coolie - Carries luggage; Train - moves on rails.
In simple words: Railway terms match their correct descriptions.

Question 1. The green plants make food by the process of ________________.
Answer: photosynthesis
In simple words: Photosynthesis produces food in plants.

Question 2. The tiny holes in the leaves are called _______________.
Answer: stomata
In simple words: Stomata are tiny leaf pores.

Question 3. Plants breathe through ______________ in their leaves.
Answer: stomata
In simple words: Leaves breathe through stomata.

Question 4. Fish breathe through the ________________
Answer: gills
In simple words: Fish use gills underwater.

Question 5. All living things need ______________ and ________________.
Answer: food, water (or air)
In simple words: Food and water sustain life.

Question 6. The ________________ is a mammal which lives in water.
Answer: whale (or dolphin)
In simple words: Whales are aquatic mammals.

Question 1. Any two living things: _____________________,______________________
Answer: Human, Dog (or Plant)
In simple words: Humans and animals are living beings.

Question 2. Any two non living things: _________________, ___________________
Answer: Stone, Pencil
In simple words: Stones and pencils are non-living objects.

Question 3. Any two animals live in water: _________________, _______________
Answer: Fish, Octopus
In simple words: Fish and octopuses live in water.

Question 4. Any two animals live on land: __________________, ________________
Answer: Tiger, Horse
In simple words: Tigers and horses live on land.

Question 5. Any two animals which have horns: ______________, ______________
Answer: Cow, Buffalo
In simple words: Cows and buffaloes have horns.

Question 1. The plant uses the green colouring pigment in the leaf to make food.____
Answer: True
In simple words: Chlorophyll helps plants make food.

Question 2. All non living things produce their own kind.________
Answer: False
In simple words: Non-living things cannot reproduce.

Question 3. A seed turns into a plant. __________
Answer: True
In simple words: Seeds sprout into plants.

Question 4. Plants use carbon dioxide for the process of photosynthesis._______
Answer: True
In simple words: Carbon dioxide is required for photosynthesis.

Question 5. Plants take water and minerals from the soil through the leaves. _______
Answer: False (Through roots)
In simple words: Roots absorb water and minerals from soil.

Question 6. Plants and animals are non living things. __________
Answer: False
In simple words: Plants and animals are living things.

Question 7. The touch me not plant closes its leaves when someone touches the plant.________
Answer: True
In simple words: Touch-me-not plants fold leaves upon touch.

Question. Earth worm eats _________.
(a) soil
(b) animals
(c) rice
(d) none of these
Answer: A

Question. Animals that are kept at home or farm are called _________ animals.
(a) domestic
(b) pet
(c) wild
(d) none of these
Answer: A

Question. The oxen are used to ________our field.
(a) carry
(b) eat
(c) treat
(d) plough
Answer: D

Question. Honey bee gives us ________.
(a) milk
(b) honey
(c) silk
(d) egg
Answer: B

Question. Sheep gives us___________.
(a) wool
(b) silk
(c) cotton
(d) polyester
Answer: A

Question. ________give us eggs.
(a) cow
(b) sheep
(c) ox
(d) hens
Answer: D

Question. Animals kept at home for recreation are called _______ animals.
(a) Wild
(b) pet
(c) domestic
(d) none of these
Answer: B

Question. _________ is an animal that lives under the ground.
(a) mole
(b) lion
(c) ant
(d) cockroach
Answer: A

Question. __________ is a black and yellow flying insect that stings.
(a) wasp
(b) mosquito
(c) Dragon fly
(d) none of these
Answer: A

Question. A __________ uses their tails to hold branches when they move from tree to tree.
(a) owl
(b) monkey
(c) snake
(d) none of these
Answer: B

Question. A bird’ s bones are -----
(a) solid
(b) thin
(c) hollow
(d) heavy
Answer: C

Question. Bird’s wings are its -----
(a) fingers
(b) trunk
(c) arms
(d) chest
Answer: C

Question. The muscles attached to the breastbones of birds are -----
(a) wing muscles
(b) body muscles
(c) flight muscles
(d) breast muscles
Answer: C

Question. -------------------helps the birds to keep their body warm.
(a) flight feathers
(b) warm feathers
(c) tail feathers
(d) down feathers
Answer: D

Question. ------------help the birds to change its direction during flight.
(a) flight feathers
(b) warm feathers
(c) tail feathers
(d) down feathers
Answer: C

Question. ------------is a flightless bird
(a) hen
(b) duck
(c) swallow
(d) kassovary
Answer: D

Question. ----------- is a bird which can fly very low.
(a) ostrich
(b) crow
(c) sparrow
(d) kite
Answer: C

Question. -------------is not a waterbird.
(a) gull
(b) kiwi
(c) pelican
(d) crane
Answer: B

Question. -----------is a bird that do not have webbed feet.
(a) crane
(b) gull
(c) duck
(d) kiwi
Answer: D

Question. -------------help a bird to fly.
(a) boat shaped body
(b) wings with strong muscles
(c) tail made of feathers
(d) all of these
Answer: D

Question. -------------is a bird having oil glands in its wings.
(a) Pelican
(b) hen
(c) pigeon
(d) swallow
Answer: A

Question. ------------has a webbed feet.
(a) crane
(b) ostrich
(c) hen
(d) kite.
Answer: A

Question. Dr. Salim Ali was a famous ------------
(a) cardiologist
(b) ornithologist
(c) botanist
(d) mathematician
Answer: B

Question. ---------is a fast running bird.
(a) crow
(b) ostrich
(c) pigeon
(d) sparrow
Answer: B