Chapter 1: Water—The Essence of Life Short Questions | Environmental Science - EVS Class 5 CBSE

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Chapter 1: Water—The Essence of Life Short Questions | Environmental Science - EVS Class 5 CBSE | ByteNotes.in

Short Answer

Easy difficulty • Direct answer format

Easy

Question 1

Quick Recall

What is the main difference between ocean water and freshwater?

Ocean water contains a lot of salt which makes it salty to taste.
Freshwater has very little salt and is safe for drinking and farming.
An example is that we can drink water from a river, but not directly from the sea.

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Short Answer

Easy difficulty • Direct answer format

Easy

Question 2

Quick Recall

What are the three different forms of water found in nature?

Water can be found in solid form as ice or snow on mountains.
It exists in liquid form such as the water we see in rain and rivers.
It also exists as vapour or gas, like the steam coming off a hot cup of tea.

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Short Answer

Medium difficulty • Direct answer format

Medium

Question 3

Quick Recall

How do salt pans in Gujarat help us in our daily lives?

Salt pans are large flatlands where seawater is left to dry under the sun.
As the water evaporates, it leaves behind salt which is then collected.
Gujarat is one of the biggest salt-producing areas in India because of these pans.

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Short Answer

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Medium

Question 4

Quick Recall

Where is Wular Lake located and why is it important?

Wular Lake is located in Jammu and Kashmir and is one of Asia's largest freshwater lakes.
It helps regulate the flow of rivers to prevent dangerous floods.
It serves as a massive natural storage unit for fresh drinking water.

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Short Answer

Easy difficulty • Direct answer format

Easy

Question 5

Quick Recall

How do we get groundwater out of the earth for our use?

We can dig deep wells to reach the water stored underground.
Tools like handpumps and borewells are used to pump the water up to the surface.
For example, many villages use handpumps to get fresh water for drinking and cleaning.

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Short Answer

Hard difficulty • Direct answer format

Hard

Question 6

Quick Recall

What are 'phumdis' and where can they be found?

Phumdis are unique floating islands made of plants and soil.
They are found in the Keibul Lamjao National Park in Manipur.
This is the only floating national park in the whole world.

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Short Answer

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Medium

Question 7

Quick Recall

What is a 'Johad' and what is its purpose?

A Johad is a traditional small dam made of earth used in Rajasthan.
It is built specifically to collect rainwater during the monsoon season.
Its main job is to help the water seep into the earth and recharge groundwater.

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Short Answer

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Easy

Question 8

Quick Recall

How does a river typically begin its journey?

Most rivers start high up in the mountains where snow melts or rain collects.
The water begins to flow downwards because of the slope of the land.
For instance, the river Godavari starts at its origin point and flows toward the sea.

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Short Answer

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Hard

Question 9

Quick Recall

What is unique about the Luni river in Rajasthan?

The Luni river starts in the Aravalli Range but does not flow into a sea.
It is the only major river in India that ends on land rather than in an ocean.
It disappears into the marshy areas of the Rann of Kutch in Gujarat.

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Short Answer

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Medium

Question 10

Quick Recall

How do aquatic plants like the Lotus stay healthy in water?

The leaves of the Lotus plant have a special waxy coating on them.
This coating makes the leaves waterproof so they don't get damaged by water.
You can see this when water droplets slide off a leaf like they are on a raincoat.

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Short Answer

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Medium

Question 11

Quick Recall

What is the purpose of the Jal Shakti Museum in New Delhi?

It is India's first water museum that celebrates our country's water history.
It shows new and old ways people have used and saved water.
The museum's goal is to inspire all citizens to conserve and value water.

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Easy

Question 12

Quick Recall

Why are open gardens better for the Earth than cemented roads?

Open gardens have soil that allows rainwater to soak deep into the ground.
Cemented roads are waterproof and block the water from going down.
Garden soil helps refill our groundwater stores while concrete causes it to run off.

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Short Answer

Hard difficulty • Direct answer format

Hard

Question 13

Quick Recall

What special feature helps the Fishing Cat swim better?

The Fishing Cat has partially webbed paws, unlike most other cats.
These webbed paws act like paddles to help it swim through wetlands.
This makes the cat an excellent swimmer that can dive into water to catch fish.

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Chapter sections

Chapter 1: Water—The Essence of Life | Short Questions

What is the main difference between ocean water and freshwater?

What are the three different forms of water found in nature?

How do salt pans in Gujarat help us in our daily lives?

Where is Wular Lake located and why is it important?

How do we get groundwater out of the earth for our use?

What are 'phumdis' and where can they be found?

What is a 'Johad' and what is its purpose?

How does a river typically begin its journey?

What is unique about the Luni river in Rajasthan?

How do aquatic plants like the Lotus stay healthy in water?

What is the purpose of the Jal Shakti Museum in New Delhi?

Why are open gardens better for the Earth than cemented roads?

What special feature helps the Fishing Cat swim better?

Unlock all Short Questions