CBSE Class 5 EVS Journey of a River Worksheet Set 01

Fill in the Blanks

Question. The ............ rail bridge is the tallest railway arch bridge in the world.
Answer: Chenab
Explanation: This grand bridge is built over the Chenab River in Jammu and Kashmir and stands higher than the famous Eiffel Tower.

Question. The river splits into many small streams at the end and forms a ............
Answer: delta
Explanation: When a river nears the sea, it slows down and divides into many tiny streams, shaping a fertile land area called a delta.

Question. ............ and ............ are two left side tributaries of the Godavari.
Answer: Indravati, Sabari
Explanation: Indravati and Sabari are smaller rivers that flow into the Godavari from its left side to give it more water.

Question. The area where freshwater meets salty seawater is called the __________ Mangrove Forests.
Answer: Coringa
Explanation: The Coringa Mangrove Forest in Andhra Pradesh grows right where the freshwater Godavari River mixes into the salty ocean.

Question. Hirakud Dam is constructed on the __________ river.
Answer: Mahanadi
Explanation: Hirakud Dam is a massive barrier built across the Mahanadi River in Odisha to stop floods and supply water to farmers.

Question. Both water __________ and __________ can impact people’s lives.
Answer: shortage, excess
Explanation: Having too little water brings drought, while having too much water brings floods; both situations cause hardship for people.

Question. Godavari is the __________ biggest river in India.
Answer: second
Explanation: The Ganga is the longest river in our country, and the Godavari comes right behind it as number two.

Question. In __________ in 2022, heavy rains submerged homes and roads.
Answer: Bengaluru
Explanation: So much rain poured down on Bengaluru in 2022 that water covered roads and entered houses.

True or False

Question. Using excess chemical fertilisers helps keep the river clean.
Answer: False
Explanation: Too many chemical fertilisers wash into rivers and cause unwanted water weeds to grow, which makes the water dirty and harms the fish.

Question. Reusing water from washing fruits to water plants is a way to conserve water.
Answer: True
Explanation: Using kitchen rinse water for garden pots saves fresh tap water from being wasted down the drain.

Question. The Bhupen Hazarika Setu is constructed on the Ganga river.
Answer: False
Explanation: The Bhupen Hazarika Setu is built over the Lohit River in Assam, not across the Ganga.

Question. Reusing leftover water from washing fruits or vegetables can help crops.
Answer: True
Explanation: The water used to rinse clean fruits does not contain harmful soap, so it is safe and healthy for watering plants.

Question. The Godavari River is the largest in India.
Answer: False
Explanation: River Ganga is the longest river in India; the Godavari is the second longest.

Question. Building dams does not harm people or animals.
Answer: False
Explanation: Building a big dam floods vast areas of land, forcing villagers to move and destroying animal homes.

Question. Using eco-friendly products helps decrease river pollution.
Answer: True
Explanation: Natural, eco-friendly cleaners do not contain harsh chemicals that hurt fish when water drains into the river.

Question. Godavari empties into the Arabian Sea.
Answer: False
Explanation: The Godavari flows from west to east and pours its water into the Bay of Bengal, not the Arabian Sea.

Match the Following

Question. Match the following terms in Column A with their correct descriptions in Column B:

Answer:
(i) Flood — (c) Overflowing of river during rains
(ii) Reservoir — (a) Water collected behind a dam
(iii) Tributary — (d) Small river joining bigger river
(iv) Green blanket — (b) Overgrowth of plants due to fertilisers
Explanation: Heavy rain makes river water spill over banks as a flood. A reservoir holds stored water. A tributary feeds a main river, and excess fertilisers cause a green plant layer on the surface.

Vocabulary Activity - "Guess the Word"

Question. Visiting natural places like forests and rivers to learn without damaging the environment:
Answer: Ecotourism
Explanation: Ecotourism means traveling to explore beautiful nature without littering, making noise, or disturbing wild plants and animals.

Question. An automated machine that dispenses clean drinking water using a card or coin:
Answer: Water ATM
Explanation: Just like a bank ATM gives money, a water ATM gives pure drinking water whenever someone puts in a coin or card.

Questions / Short Question Answers

Question. What is the identity of India's national aquatic creature?
Answer: Ganges river dolphin
Explanation: The Ganges river dolphin is a special dolphin that lives only in freshwater rivers like the Ganga and breathes fresh air through its blowhole.

Question. Where does the Godavari river originate and where does it end?
Answer: The Godavari begins in the Western Ghats at Trimbakeshwar in Maharashtra and ends in the Bay of Bengal.
Explanation: It begins as a tiny trickle high up in the green hills of Maharashtra and flows east across India into the wide sea.

Question. Why is the Godavari termed 'Dakshina Ganga'?
Answer: The Godavari is called 'Dakshina Ganga' (Ganga of the South) because it is the largest, longest, and most sacred river in peninsular South India, just like the Ganga is in North India.
Explanation: Just as people in North India revere the Holy Ganga, people in South India revere the Godavari for bringing life and water to their fields.

Question. What is the Namami Gange Mission?
Answer: It is an Indian government project aimed at cleaning, protecting, and reviving the Ganga river.
Explanation: This project stops dirty sewage from entering the river and plants trees along the banks so the Ganga stays pure.

Question. Write any three flood safety measures to be followed before the flood.
Answer:
1. Listen carefully to weather warnings on the radio or television.
2. Pack an emergency kit with clean drinking water, dry food, medicines, and a torch.
3. Move quickly to a safe, elevated place or shelter before the floodwaters arrive.
Explanation: Being ready with clean food and moving to higher ground keeps our family safe before floodwater reaches our home.

Question. Name three wild animals found near the Godavari river.
Answer: Tiger, Barking deer, and Indian golden gecko.
Explanation: The dense forests and fresh water around the river provide a peaceful home and plenty of food for these animals.

Question. How do rivers like Godavari sustain human and animal life?
Answer:
1. They supply freshwater for drinking, cooking, and household chores.
2. They provide irrigation water for farmers to grow crops and food.
3. They provide a habitat and drinking water for birds, fish, and wildlife.
4. They help generate clean electricity through dams and allow boats to travel.
Explanation: Rivers are true lifelines because without their freshwater, humans could not grow crops and animals would have no water to drink.

Question. Why is river water dangerous even if it looks clean?
Answer: River water can carry tiny germs, bacteria, or dissolved chemicals that our eyes cannot see. Drinking it without boiling or filtering can make people sick with stomach bugs.
Explanation: Even sparkling clear water in a river may carry invisible germs, so it should always be purified before drinking.

Question. What does ecotourism mean?
Answer: Ecotourism means traveling to natural areas like forests, rivers, and mountains to admire and learn about nature without littering, cutting trees, or hurting wild creatures.
Explanation: It is a mindful way of vacationing where we leave nature clean, quiet, and undamaged.

Question. Describe the path of the Godavari River.
Answer: The Godavari River starts as a tiny spring at Trimbakeshwar in Maharashtra. As it journeys eastward across the land, rainwater and tributaries join it, making it broader and stronger. After flowing 1,465 kilometres across multiple states, it splits into a fertile delta and enters the Bay of Bengal.
Explanation: The river begins high up in Maharashtra's hills and travels across India until it meets the eastern sea.

Question. Why did people construct homes near rivers in ancient times?
Answer: In ancient times, people settled near rivers because rivers provided a steady supply of freshwater for drinking, cooking, and bathing. Riverbanks also had soft, fertile soil for farming food and allowed people to travel easily by boat.
Explanation: Long ago, without pipes or roads, living by a river gave people all the water, food, and travel routes they needed.

Question. What happens when it rains a lot and the river floods?
Answer: When extreme rains cause a river to flood, water spills over the banks and rushes into nearby towns. It submerges roads, damages houses, destroys farmers' crops, and forces families to seek higher shelters.
Explanation: Heavy rain pours more water into a river than it can hold, so the excess water flows into nearby streets and homes.

Question. Why is the Godavari termed Dakshina Ganga?
Answer: The Godavari is called Dakshina Ganga (Ganga of the South) because it is the largest, longest, and most sacred river in peninsular South India, holding the same spiritual importance that the Ganga holds in the North.
Explanation: Just as people revere the Ganga in northern India, people in the south revere the Godavari as their lifeline.

Question. What troubles can dams cause to people and animals?
Answer: Building large dams submerges vast areas of forests and farmland under water. This forces nearby villagers to leave their homes and destroys the natural shelters and hunting grounds of wild animals.
Explanation: When a huge lake forms behind a new dam, people lose their villages and wild animals lose their forest homes.

Question. Name one substance that dissolves in water and one that does not.
Answer: Sugar dissolves completely in water, whereas cooking oil or plastic does not dissolve in water.
Explanation: When you stir sugar into water it vanishes, but oil stays floating on top in separate droplets.

Question. Explain how rivers sustain plants and animals.
Answer: Rivers provide freshwater that forest animals drink every single day. The moist, fertile soil near riverbanks allows diverse plants and trees to grow, while the water itself serves as a home for fish, frogs, insects, and river dolphins.
Explanation: Rivers are natural watering holes and shelters that keep countless birds, plants, and wild animals alive.

Question. What is the goal of the Namami Gange programme?
Answer: The goal of the Namami Gange programme is to clean the sacred Ganga River by stopping sewage flow, reducing chemical pollution, planting trees along riverbanks, and protecting aquatic animals like dolphins.
Explanation: This government project works to make the Ganga clean, safe, and healthy again for people and fish.