CBSE Class 4 EVS Revision Worksheet Set 15

Part-A

Q.1 Tick the right answer.

Question 1. A family of four members is a
(a) very big family
(b) joint family
(c) small family
Answer: (c) small family
A family consisting of parents and one or two children is known as a small or nuclear family.
In simple words: A family with very few members is called a small family.

Exam Tip: Remember that a joint family has many members living together, whereas a nuclear or small family has parents and children only.

Question 2. A pea plant has
(a) fibrous roots
(b) side roots
(c) tap roots
Answer: (c) tap roots
Pea plants are dicots and typically possess a main tap root system that grows deep into the soil.
In simple words: Pea plants have a single main root growing downwards with smaller side roots.

Exam Tip: Dicotyledonous plants like beans and peas usually have tap roots, while monocots like grass and wheat have fibrous roots.

Question 3. All the sense organs are connected to the
(a) brain
(b) stomach
(c) liver
Answer: (a) brain
All sensory messages from the eyes, ears, nose, tongue, and skin are sent to the brain via nerves for processing.
In simple words: The brain receives signals from all our sense organs so we can see, hear, smell, taste, and feel.

Exam Tip: The brain acts as the control centre of the body.

Question 4. Using a dirty handkerchief can cause
(a) smell
(b) infection
(c) blindness
Answer: (b) infection
A dirty handkerchief contains germs, dust, and bacteria that can easily enter the nose or mouth and cause diseases.
In simple words: Germs on a dirty cloth can spread sickness and infections.

Exam Tip: Always use a clean handkerchief to maintain good personal hygiene.

Question 5. When we play a rough game we can get
(a) happy
(b) excited
(c) injured
Answer: (c) injured
Rough or violent games lack proper safety measures, leading to cuts, bruises, or physical injuries.
In simple words: Playing too roughly can hurt you.

Exam Tip: Always follow safety rules while playing sports.

Question 6. We make a coop for the
(a) dog
(b) horse
(c) hen
Answer: (c) hen
A coop is a specially built shelter used to house domestic poultry such as hens and chickens safely.
In simple words: Hens live in a shelter called a coop.

Exam Tip: Match animal shelters correctly: dog lives in a kennel, horse in a stable, and hen in a coop.

Question 7. We can get langar prashad in
(a) a gurudwara
(b) a church
(c) hospital
Answer: (a) a gurudwara
Langar is a community meal served free of cost to all visitors in a Sikh gurudwara, regardless of faith or background.
In simple words: Free community food called langar is served at a gurudwara.

Exam Tip: Langar promotes the principle of equality and sharing in Sikhism.

Question 8. Most of the pueca houses are found in
(a) towns
(b) cities
(c) villages
Answer: (b) cities
Pucca houses made of concrete, bricks, and steel are permanent structures predominantly built in urban areas and cities.
In simple words: Strong permanent houses (pucca houses) are common in cities.

Exam Tip: Pucca houses are strong and durable, unlike kucha houses made of mud and straw.

Question 9. The centre part of each tooth is called
(a) dentine
(b) pulp
(c) crown
Answer: (b) pulp
The soft innermost chamber of a tooth containing blood vessels and nerves is called the pulp.
In simple words: The soft middle part of a tooth with nerves is the pulp.

Question 10. The baby frog that comes out of the egg is called
(a) tadpole
(b) fry
(c) nymph
Answer: (a) tadpole
The aquatic larval stage of a frog hatching from an egg is called a tadpole.
In simple words: Baby frogs that hatch from eggs look like tiny fish and are called tadpoles.
Exam Tip: Tadpoles breathe through gills before transforming into adult frogs that breathe through lungs and skin.

Q.2 Fill in the blanks.

Question 1. An adopted child has _______________________ parents.
Answer: adoptive
In simple words: Children who are legally adopted have adoptive parents who care for them lovingly.

Exam Tip: Adoptive parents provide the same love, care, and legal status as biological parents.

Question 2. Very dim or bright light _______________________ our eyes.
Answer: damages (or harms)
In simple words: Extreme lighting conditions put stress on our eyes and weaken vision.

Exam Tip: Always read or study in adequate, soft, and balanced lighting.

Question 3. Playing together helps to make new _______________________ .
Answer: friends
In simple words: Group games and team activities help children socialize and make friends.

Exam Tip: Playing together teaches sharing, cooperation, and teamwork.

Question 4. Snakes live in _______________________ made in the ground.
Answer: burrows (or holes)
In simple words: Many snakes find or dig burrows in the earth for shelter.

Exam Tip: Animals live in different natural homes; snakes often inhabit burrows or crevices.

Question 5. Langar is prepared in large _______________________ .
Answer: utensils (or vessels / kitchens)
In simple words: Huge pots and cooking vessels are used to cook food for large gatherings in a gurudwara.

Exam Tip: Community kitchens (langar halls) use industrial-sized vessels to cook meals.

Question 6. Boarding schools have large dining halls called _______________________ .
Answer: mess (or refectory / dining halls)
In simple words: Residential schools have a common dining hall where all students eat together, often called a mess.

Exam Tip: Students living away from home in boarding schools share meals together in the school mess.

Question 7. Each house in a multistoryed building is called a _______________________ .
Answer: flat (or apartment)
In simple words: Individual residential units inside tall buildings are called flats or apartments.

Exam Tip: Multistoried buildings maximize residential space in crowded cities by stacking flats vertically.

Question 8. _______________________ hold our teeth.
Answer: Gums
In simple words: Firm pink gums support teeth and hold them tightly in place.

Exam Tip: Healthy gums are necessary to keep teeth strong and prevent dental problems.

Question 9. Tadpoles breathe through _______________________ .
Answer: gills
In simple words: Young tadpoles live in water and use gills to breathe oxygen dissolved in water.

Exam Tip: As tadpoles grow into adult frogs, their gills disappear and lungs develop.

Question 10. To buy railway tickets, we have to pay _______________________ .
Answer: money (or fare)
In simple words: Train travel requires purchasing a ticket using currency or money.

Exam Tip: Travelling without a valid ticket is illegal and punishable.

Q.3 Circle the odd one.

Question 1. Tongue, eyes, ears, hand
Answer: hand
In simple words: Tongue, eyes, and ears are specific sense organs for taste, sight, and hearing. Hand is a limb containing sense receptors for touch, but the primary traditional five sense organs taught in primary science are eyes, ears, nose, tongue, and skin.

Exam Tip: The five primary sense organs are eyes, ears, nose, tongue, and skin.

Question 2. Brick, cement, paper, steel
Answer: paper
In simple words: Brick, cement, and steel are construction materials used to build houses, whereas paper is a stationery product.

Exam Tip: Group items based on their common usage or application.

Question 3. Stappoo, langhri-taang, study, hide and seek
Answer: study
In simple words: Stappoo, langhri-taang, and hide and seek are outdoor/indoor traditional games, whereas study is an academic activity.

Exam Tip: Differentiate between recreational play activities and academic tasks.

Question 4. Monkeys, squirrels, leopards, tigers
Answer: leopards (or tigers / herbivores vs carnivores distinction)
In simple words: Leopards and tigers are large wild carnivorous cats, whereas monkeys and squirrels are smaller arboreal animals. Alternatively, tigers and leopards are strict carnivores.

Exam Tip: Look at animal classification such as size, diet, or habitat when finding odd ones out.

Question 5. Idli, puri, rice, menu
Answer: menu
In simple words: Idli, puri, and rice are food items, whereas a menu is a list showing available food choices.

Exam Tip: Distinguish between consumable food products and restaurant or food documentation.

Question 6. Straw, mud, cow-dung, cement
Answer: cement
In simple words: Straw, mud, and cow-dung are traditional natural materials used to build kucha houses, whereas cement is a modern industrial construction material.

Exam Tip: Differentiate traditional building materials from modern manufactured materials.

Question 7. Steel, bricks, cement, street
Answer: street
In simple words: Steel, bricks, and cement are building materials, whereas a street is a pathway or road.

Exam Tip: Identify building materials versus infrastructure elements.

Question 8. Enamel, dentine, pulp, bone
Answer: bone
In simple words: Enamel, dentine, and pulp are parts of a tooth, whereas bone is a skeletal part of the body.

Exam Tip: Teeth parts are distinct from general skeletal bones, even though both contain hard minerals.

Question 9. Apple, carrot, radish, ice-cream
Answer: ice-cream
In simple words: Apple, carrot, and radish are natural plant produce (fruits and root vegetables), whereas ice-cream is a processed dairy dessert.

Exam Tip: Distinguish between whole plant foods and processed artificial/dairy food items.

Question 10. Lizard, turtle, sparrow, snake
Answer: sparrow
In simple words: Lizard, turtle, and snake are reptiles, whereas a sparrow is a bird (avian).
Exam Tip: Classify animals into correct biological groups (reptiles, mammals, birds, amphibians, fish).

Question 11. Car, scooter, ship, train
Answer: ship
In simple words: Car, scooter, and train run on land, whereas a ship travels on water.

Exam Tip: Group transport modes by medium: land, water, or air.

Question 12. Dollar, Euro, Ruppe
Answer: Ruppe (Rupee)
In simple words: Dollar and Euro are international foreign currencies, whereas Rupee is the Indian currency. Alternatively, check spelling standardization, but Dollar and Euro are major Western currencies while Rupee is South Asian.

Exam Tip: Recognize global currencies and their countries of origin.

Q.4 Fill in the missing letters.

Question 1. CA___R___M
Answer: CARROM (Missing letters: R, O)
In simple words: Completed word is CARROM, an indoor board game.

Exam Tip: Learn spellings of common indoor and outdoor games.

Question 2. T___R___O___S___
Answer: TORTTOISE (or TORTOISE - Missing letters: O, T, I, S)
In simple words: Completed word is TORTOISE.

Exam Tip: Double-check letter slots carefully when completing word puzzles.

Question 3. T___PR___ ___ T
Answer: TAPROOT (Missing letters: A, O, O)
In simple words: Completed word is TAPROOT, a type of root system.

Exam Tip: Remember botanical terms like taproot and fibrous root.

Question 4. M___S___N
Answer: MASON (Missing letters: A, O)
In simple words: Completed word is MASON, a person who builds with bricks and stone.

Exam Tip: Learn community helper professions and their spellings.

Question 5. T___D___O___E
Answer: TADPOLE (Missing letters: A, P, L)
In simple words: Completed word is TADPOLE, the baby form of a frog.

Exam Tip: Practice life-cycle vocabulary words.

Q.5 Identify the pictures and write their names.

Question 1. [Image showing a canine tooth]
Answer: Canine
In simple words: The sharp, pointed tooth used for tearing food is called a canine.

Exam Tip: Canine teeth are sharp and well-developed in carnivores for tearing flesh.

Question 2. [Image showing a molar / premolar tooth with multiple roots or cusps]
Answer: Molar (or Premolar)
In simple words: Flat grinding teeth at the back of the mouth are called molars.

Exam Tip: Molars and premolars grind and chew food into smaller pieces.

Question 3. [Image showing an insect, cockroach]
Answer: Cockroach
In simple words: The insect shown in the picture is a cockroach.

Exam Tip: Identify common household insects and pests.

Question 4. [Image showing a bird / chick]
Answer: Chick (Hen / Bird)
In simple words: The baby bird shown is a chick.

Exam Tip: Recognize young ones of birds and animals.

Question 5. [Image showing a frog / toad]
Answer: Frog
In simple words: The amphibian shown in the picture is a frog.

Exam Tip: Frogs are amphibians that live both on land and in water.

Part-B

Q.1 Answer the question in brief.

Question 1. Why do animals live in groups ?
Answer: Animals live in groups for safety and protection against predators, to find food easily, and to care for their young ones together.
In simple words: Living in groups helps animals stay safe from enemies and share food-gathering tasks.

Exam Tip: Mention protection, food search, and social bonding as key reasons for herd behavior.

Question 2. Why should we play games ?
Answer: We should play games because they keep our bodies fit and healthy, refresh our minds, teach us teamwork, discipline, and sportsmanship.
In simple words: Games keep us active, energetic, and teach us how to play together happily.

Exam Tip: Highlight both physical health benefits and mental/social benefits.

Question 3. What are aquatic animals ? Name any three.
Answer: Animals that live naturally in water are called aquatic animals. Three examples are fish, whale, and octopus.
In simple words: Water-dwelling animals are called aquatic animals; examples include fish, whales, and sharks.

Exam Tip: Give clear examples of water-dwelling organisms.

Question 4. What are slums ?
Answer: Slums are overcrowded urban areas characterized by substandard, poorly built housing, lack of clean drinking water, proper sanitation, and electricity.
In simple words: Slums are congested residential areas in cities with poor living conditions and lack of basic amenities.

Exam Tip: Mention overcrowding and lack of basic civic facilities in your definition.

Q.2 Answer the following in details.

Question 1. Why is our family called our first school ?
Answer: Our family is called our first school because learning begins right from birth at home. We learn our first words, basic manners, habits, values, and traditions from our parents and family members long before we step into a formal school.
In simple words: Home is our first school because our parents teach us how to speak, behave, and care for others before we go anywhere else.

Exam Tip: Emphasize that informal education of values and habits starts at home.

Question 2. What are sense organs ? Name them.
Answer: Sense organs are specialized organs in our body that help us perceive and respond to the outside world by detecting light, sound, smell, taste, and touch. The five sense organs are:
1. Eyes (for sight)
2. Ears (for hearing)
3. Nose (for smell)
4. Tongue (for taste)
5. Skin (for touch and feeling)
In simple words: Sense organs are our body parts that let us see, hear, smell, taste, and feel things around us.

Exam Tip: List all five organs clearly with their respective functions for full marks.

Question 3. Explain how our eyes see objects.
Answer: Light falls on objects around us and reflects into our eyes. This light enters through the pupil and forms an image on the retina at the back of the eye. The optic nerve then carries this message to the brain, which interprets the image so we can see.
In simple words: Light bounces off objects into our eyes, sending signals to our brain through nerves so we can recognize them.

Question 4. What should we do when our friend is playing well ?
Answer: When our friend is playing well, we should appreciate and encourage them, cheer for their good performance, and learn from their skills rather than feeling jealous.
In simple words: We should clap and encourage our friends when they play well.
Exam Tip: Good sportsmanship involves appreciating others and playing fairly.

Question 5. What does the ticket checker do in a train ?
Answer: A ticket checker (TTE) checks the tickets of passengers inside a train to ensure everyone has a valid ticket for their journey, verifies seat reservations, and assists passengers with seat allocations.
In simple words: A ticket checker inspects train tickets to verify that passengers have paid their fare and have valid seats.

Exam Tip: Mention ticket verification and passenger assistance.

Question 6. Why do we need to travel ?
Answer: We need to travel for various reasons such as going to school or work, visiting relatives and friends, exploring new places for recreation and tourism, transporting goods, and attending emergencies.
In simple words: We travel to move from one place to another for work, school, visiting family, or vacations.
Exam Tip: List practical reasons for transportation and travel.

Q.3 Draw the diagram of a tongue and label it.

Question 1. Draw the diagram of a tongue and label it.
Answer:
To represent the human tongue and its taste zones, refer to the diagram and construction steps below:
1. Draw an oval-shaped outline narrowing towards the front.
2. Divide the tongue into regions corresponding to different taste buds: tip for sweet, sides for salty and sour, and back for bitter.
3. Label the sections clearly.

In simple words: The tongue has different areas that are sensitive to sweet, salty, sour, and bitter tastes.
Exam Tip: Practice drawing the tongue outline neatly and label the taste zones accurately.

Q.4 Answer the following questions.

Question 1. Name the currency of India.
Answer: The currency of India is the Indian Rupee (INR).
Exam Tip: The official symbol for the Indian Rupee is Rs. (or ₹).

Question 2. Name the indoor games you play at home.
Answer: Common indoor games played at home include carrom, chess, ludo, snakes and ladders, and scrabble.
In simple words: Indoor games are played sitting inside the house, like ludo, chess, and carrom.
Exam Tip: List games that require board setups or indoor spaces.

Question 3. What sports equipments do you have in your school ?
Answer: Schools typically have sports equipment such as footballs, basketballs, cricket bats and balls, badminton rackets and shuttlecocks, skipping ropes, and carrom boards.
In simple words: Schools provide sports gear like bats, balls, nets, and skipping ropes for physical education.
Exam Tip: Mention equipment used in both outdoor and indoor school sports.

Question 4. Name two pictures we have in our currency notes.
Answer: Two prominent pictures found on Indian currency notes are the portrait of Mahatma Gandhi and the National Emblem (Ashoka Pillar).
In simple words: Indian currency notes feature Mahatma Gandhi's photograph and the Ashoka Pillar emblem.
Exam Tip: Mahatma Gandhi is featured on the obverse side of all modern Indian currency notes.

Question 5. What is the difference between a coin and a currency note ?
Answer: Coins are made of metal and are heavy and long-lasting, whereas currency notes are made of special paper/cotton blend and are light, flexible, and wear out faster.
In simple words: Coins are hard metal pieces, while currency notes are made of special paper.
Exam Tip: Contrast coins (metal, durable) with notes (paper, lightweight).

Please refer to attached file for CBSE Class 4 EVS Revision Worksheet (12)