CBSE Class 5 EVS Water The Essence of Life MCQs Set 01

Answer: (b) Sun

Explanation:
1. The sun gives heat to the Earth.
2. This heat warms up water in rivers and seas.
3. The warm water turns into vapour and moves the water cycle.

Answer: (a) Fishing cat

Explanation:
1. The fishing cat loves to stay near water.
2. It can swim very well to catch fish.
3. It has webbed paws that help it paddle in water.

Answer: (b) Groundwater

Explanation:
1. Rain falls on the ground.
2. Water goes deep into the soil.
3. This water stored under the earth is called groundwater.

Answer: (c) Reeds

Explanation:
1. Reeds are tall grass-like plants.
2. They like wet mud.
3. That is why they grow near the sides of ponds.

Answer: (a) Hiware Bazar

Explanation:
1. Hiware Bazar is a village in Maharashtra.
2. The people there saved every drop of rain.
3. Now the village has plenty of water and green farms.

Answer: (b) Pond heron

Explanation:
1. The pond heron stands quietly in water.
2. It does not move so fish cannot see it coming.
3. When a fish comes near, it catches it quickly.

Answer: (b) Condensation

Explanation:
1. Water vapour is hot gas.
2. When it gets cool, it turns back into water drops.
3. This cooling process is called condensation.

Answer: (a) Sangai deer

Explanation:
1. The Sangai deer lives in Manipur.
2. It lives on the floating park named Keibul Lamjao.
3. It is also called the dancing deer.

Answer: (b) Cannot seep easily into the ground

Explanation:
1. Cement is hard and does not let water pass.
2. Rainwater cannot enter the soil.
3. It flows away into drains instead of going into the ground.

Answer: (c) Narmada

Explanation:
1. Most rivers in India flow to the east.
2. But River Narmada flows to the west.
3. It ends its journey in the Arabian Sea.

Answer: (b) Fish

Explanation:
1. Fish live in water.
2. They have flat fins on their body.
3. Fins help them push water and swim.

Answer: (a) Food chain breaks

Explanation:
1. Many birds and big animals eat fish.
2. If fish are gone, those animals will have no food.
3. This breaks the whole chain of nature.

Answer: (a) A very small amount (like a teaspoon compared to a glass)

Explanation:
1. Most water on Earth is salty sea water.
2. Only a tiny part is sweet, clean water.
3. That is why we must not waste water.

Answer: (c) Open, uncovered areas

Explanation:
1. Open soil has tiny spaces.
2. Rain falls on open soil and goes down inside.
3. This fills the water level underground.

Answer: (b) On water surface

Explanation:
1. Floating plants are light and filled with air.
2. They do not attach to mud at the bottom.
3. They rest and spread right on top of the water.

Answer: (a) To make them waterproof

Explanation:
1. Wax does not let water stick to it.
2. Water drops slide off the leaves.
3. This protects the leaves from rotting in water.

Answer: (b) Water scorpion

Explanation:
1. The water scorpion lives under water.
2. It has a long tube at its back end.
3. It pushes the tube into the air to breathe like a straw.

Answer: (a) Rainwater harvesting

Explanation:
1. Rainwater harvesting means collecting rain.
2. We catch rain from roofs and store it in tanks.
3. This saves water for times when there is no rain.

Answer: (d) Humans / Crocodiles

Explanation:
1. Small fish eat water plants.
2. Big animals eat smaller animals.
3. Humans and crocodiles eat fish and are at the top.

Answer: (c) Shape of the land

Explanation:
1. Water always flows from high places to low places.
2. Slopes make water run faster.
3. So the shape of the land decides how water moves.

Answer: (c) Collect rainwater and recharge groundwater

Explanation:
1. A johad is a small earthen dam made of mud.
2. It stops rainwater from running away.
3. This helps the water go into the ground.

Answer: (a) Keibul Lamjao National Park

Explanation:
1. Keibul Lamjao is in the state of Manipur.
2. It floats on Loktak Lake on thick plant mats.
3. It is the only floating park in the world.

Answer: (c) Water hyacinth

Explanation:
1. Water hyacinth has swollen stems full of air.
2. Its roots do not stick in the bottom mud.
3. It floats easily and moves on the surface.

Answer: (b) Water turning into vapour

Explanation:
1. Evaporation happens when liquid water gets warm.
2. The liquid changes into an invisible gas called vapour.
3. This is how wet clothes dry in the sun.

Answer: (c) Olive ridley turtle

Explanation:
1. Olive ridley is a famous sea turtle.
2. Thousands of them come to the beach in Odisha to lay eggs.
3. They are well known for travelling across oceans.

Answer: (b) Plants and tiny organisms

Explanation:
1. Little fish have small mouths.
2. They eat green moss and tiny water bugs.
3. This food gives them energy to grow.

Answer: (b) Cemented surfaces prevent water recharge

Explanation:
1. Cities have roads and buildings everywhere.
2. Cement covers the mud and soil.
3. Rainwater cannot enter the earth, so wells become dry.

Answer: (a) Aquatic plants

Explanation:
1. Plants that live in water need protection from rot.
2. They have a shiny layer like wax on top.
3. This keeps their leaves dry and safe.

Answer: (a) Mountains

Explanation:
1. High mountains are very cold and have snow.
2. Snow melts into little streams.
3. These streams join together to make a river.

Answer: (c) Water hyacinth

Explanation:
1. Water hyacinth multiplies very fast.
2. In a few weeks, it can cover an entire lake.
3. It spreads faster than most other water plants.

Answer: (a) Water droplets forming on a cold glass

Explanation:
1. Air around a cold glass has water vapour.
2. When the warm air touches the cold glass, it cools down.
3. The gas turns into tiny water drops on the glass.

Answer: (c) Clouds

Explanation:
1. Clouds are made of water drops in the sky.
2. When clouds get heavy, they drop water.
3. That water falls as rain, snow, or hail.

Answer: (a) Statue of Unity

Explanation:
1. The Statue of Unity is in Gujarat.
2. It is built in honour of Sardar Vallabhbhai Patel.
3. It is the tallest statue in India and in the whole world.

Answer: (b) Soak pits and ponds

Explanation:
1. Soak pits and ponds collect extra rainwater.
2. Water does not run away into dirty drains.
3. It slowly sinks into the earth and saves water.

Answer: (b) Jal Shakti Museum

Explanation:
1. Jal Shakti means the power of water.
2. This museum in Delhi shows old ways of saving water.
3. It teaches how to respect and care for water.

Answer: (a) Bay of Bengal

Explanation:
1. The land of India slopes gently toward the east.
2. Big rivers like Ganga and Godavari flow east.
3. They pour their water into the Bay of Bengal.

Answer: (a) Groundwater

Explanation:
1. Pipes are dug deep into the ground.
2. They reach the water resting under the rocks.
3. Handpumps and wells lift this groundwater up for us to use.

Answer: (b) They have fins or gills

Explanation:
1. Animals in water need to move and breathe.
2. Fins help them swim smoothly.
3. Gills take air from water so they can breathe.

Answer: (a) Towards the Bay of Bengal

Explanation:
1. India's land tilts toward the east.
2. Water naturally runs down the tilt.
3. Therefore, most rivers move toward the Bay of Bengal.

Answer: (b) Collect salt

Explanation:
1. Sea water is filled in shallow beds called pans.
2. The sun evaporates the water.
3. White salt is left behind and collected.

Answer: (b) Lotus and Water lily

Explanation:
1. Lotus roots are fixed in the pond mud.
2. They have long hollow stems.
3. Their broad, round leaves float on the water surface.

Answer: (a) One that includes rainwater harvesting

Explanation:
1. Pipes can connect the roof to a storage tank.
2. When it rains, water goes straight to the tank.
3. This smart design saves lots of water for the house.

Answer: (a) Water is essential for life

Explanation:
1. Every animal and plant needs water to drink and grow.
2. Without water, living things cannot stay alive.
3. So they choose to stay close to rivers and lakes.

Answer: (c) Solid, Liquid, and Gas

Explanation:
1. Ice is water in solid form.
2. The water we drink is in liquid form.
3. Steam or water vapour is in gas form.

Answer: (b) Evaporation

Explanation:
1. When liquid water gets heat, it becomes warm.
2. Warm water rises up as water vapour gas.
3. This change from water to gas is called evaporation.

Answer: (b) In marshy lands of the Rann of Kutch

Explanation:
1. The Luni River flows through the dry land of Rajasthan.
2. It does not reach the open sea.
3. It gets lost in the wet marshy lands of the Rann of Kutch.

Answer: (a) By planting more trees

Explanation:
1. Tree roots make the soil soft and loose.
2. Soft soil allows rainwater to go deep inside the ground.
3. This fills up the underground water level.

Answer: (d) Water Cycle

Explanation:
1. Water goes up into the sky as vapour.
2. It forms clouds and falls back down as rain.
3. This never-ending round journey is called the water cycle.

Answer: (c) They provide water for drinking and agriculture.

Explanation:
1. People need clean water to drink every day.
2. Farmers need river water to grow food crops.
3. Rivers are very important to support human life and farming.

Answer: (d) It condenses into clouds.

Explanation:
1. Water vapour goes high up where the air is cool.
2. The cool air turns the gas back into tiny water drops.
3. Many tiny drops gather together to form clouds.

Answer: (a) Lotus

Explanation:
1. The lotus plant has roots fixed in the pond mud.
2. It has long stems that reach up to the surface.
3. Its big round leaves float on top of the water.

Answer: (a) Groundwater

Explanation:
1. Ocean water is salty and cannot be used for drinking.
2. Most of the usable fresh liquid water is stored under the soil.
3. This makes groundwater our primary freshwater source.