Water - Standard 5 - Environmental Studies - Part 1 - Balbharati

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Water

Exercise

Q. 1 What’s the solution ?

Soil in a garden gets washed away with the water due to the slope of the land.

Ans. 1. Plant ground cover plants on the slope.

2. Build terraces to create flat areas.

3. Add retaining walls for stability.

4. Apply mulch to protect soil.

Q. 2 Use your brain power !

How should roads and footpaths be built to make rainwater seep into the ground ?

Ans. To make roads and footpaths allow rainwater to seep into the ground:

1. Install permeable pavers or blocks.

2. Create swales or ditches alongside.

3. Use gravel or materials with small holes for base layers.

4. Properly maintain drainage lines.

5. Plant rain gardens or vegetation to absorb water.

Q. 3 Answer the following questions.

(a) What conditions prevail during a famine ?

Ans. A famine happens when:

1. There's not enough food.

2. Crops fail due to things like drought or pests.

3. People go hungry, even starve.

4. Health problems increase.

5. People may have to leave their homes.

(b) What works are undertaken to make water available even after the rainy season ?

Ans. To keep water available after the rains, we build reservoirs, dams, and wells. These store rainwater. We also use pipes and canals to bring water to homes and fields. This helps us have water all year round.

(c) Why is it necessary to stop rainwater ?

Ans. Stopping rainwater is essential because it helps:

1. Prevent flooding in cities.

2. Recharge groundwater for drinking.

3. Support agriculture during dry times.

4. Save water for daily use.

5. Protect the environment and prevent soil erosion.

(d) What is meant by water management ?

Ans. Taking steps to ensure that rainwater will be available even in the period after the rainy season is called ‘water management’.

Q. 4 True or false ? Correct the wrong statements.

(a) We get rainwater throughout the year.

Ans. False.

(b) During a famine, the government moves people and animals temporarily to safe places.

Ans. True.


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