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Class 4 · Environmental Studies · 10 Aug 2026

Max marks: 40
Grade Class 4 · Environmental Studies · 20 questions
Name Class Date
Q.1 MCQ [8 marks]
(a)
Which of these is a traditional way to store water in desert areas like Rajasthan?
[1 mark]
(a)  A swimming pool
(b)  A Tankas (underground tank)
(c)  A plastic bottle
(d)  A river faucet
(b)
Aman notices moss and dirty leaves inside an open water drum in his courtyard. What is the best way to keep the stored water clean next time?
[2 marks]
(a)  Keep the drum tightly covered with a lid
(b)  Add stones to the bottom of the drum
(c)  Leave the drum out in the bright sun all day
(d)  Pour sand into the water
(c)
Meera wants to start rainwater harvesting in her house in Chennai. What is the very first thing she needs to catch rain from?
[2 marks]
(a)  The street
(b)  The rooftop
(c)  The underground well
(d)  The kitchen sink
(d)
Which of these shows a clever way people help rainwater go deep into the ground to refill dried-up wells?
[3 marks]
(a)  Paving the whole courtyard with thick cement
(b)  Connecting rooftop pipes to an open borewell or percolation pit
(c)  Throwing plastic bags into drains
(d)  Keeping all taps running during summer
Q.2 Match the Pairs [5 marks]
(a)
Match each water storage feature to its common description:
[2 marks]
Column AColumn B
1. Dam a. A huge wall across a river
2. Stepwell b. A deep pond with stone steps
3. Overhead Tank c. A plastic tank on a rooftop
Answer
(b)
Match each tool to its use in saving rainwater.
[2 marks]
Column AColumn B
1. Rooftop a. Collects rain falling on the house
2. Pipe b. Carries water down
3. Tank c. Stores water for later use
4. Filter d. Cleans leaves and dirt
Answer
(c)
Match the part of the house to its role in rooftop rainwater harvesting.
[1 mark]
Column AColumn B
1. Rooftop a. Catches the falling rain
2. Pipe b. Carries water down
3. Tank c. Stores the collected water
Answer
Q.3 Fill in the Blanks [4 marks]
(a)
A stepwell used for storing rainwater and reaching down to the water table is called a _____ in Hindi.
[1 mark]
(b)
During rain, water flows down the house _____ into pipes to save it.
[1 mark]
(c)
When rain falls on the terrace, it travels through a _____ before reaching the storage tank to keep the water clean.
[2 marks]
Q.4 One Sentence [4 marks]
(a)
What happens to the water stored behind a dam when the gates are opened?
[2 marks]
(b)
Why is storing rainwater from rooftops a good idea in cities where taps run dry often?
[2 marks]
Q.5 Short Answer [9 marks]
(a)
Aman's mother covers the bucket of drinking water with a lid. Give two reasons why covering stored water is important.
[2 marks]
(b)
Explain why it is important to cover water tanks at home.
[2 marks]
(c)
Sort these daily tasks into two groups: 'Can use stored rainwater' and 'Better to use fresh tap water'. Tasks: (a) Drinking, (b) Washing courtyard floors.
[2 marks]
(d)
Kabir says, 'We should let the very first rain wash the rooftop before we collect water in our tank.' Explain why Kabir is right.
[3 marks]
6.
In many old towns in Gujarat and Rajasthan, people did not depend on river taps. Instead, they built stepwells (baolis) with beautiful pillars and cool corridors. Describe two reasons why people spent so much time and money building these underground stepwells long ago.
[3 marks]
Q.7 Word Problem [7 marks]
(a)
A small tank holds 50 litres of water. If Ramu uses 10 litres for plants and 20 litres for washing, how much water is left?
[2 marks]
(b)
Ananya's family collects 5 buckets of rainwater on Monday and 4 buckets on Tuesday. If they use 3 buckets to water the garden, how many buckets are left?
[2 marks]
(c)
If a village tank leaks 2 litres of water every hour, how much water is lost in one full day?
[3 marks]
Generated by Lumai — 10 September 2026
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Class 4 · Environmental Studies · 10 Aug 2026 — 40 Marks