Rainwater Harvesting

Q.

Discuss how rainwater harvesting in semi-arid regions of Rajasthan is carried out.

Q. What are tankas?

1. Groundwater
2. Rooftop tanks
3. In-house tanks
4. Underground tanks

Q. What is Palar Pani?

1. Tapwater
2. Damwater
3. Rainwater
4. Irrigation water

Q. What makes rainwater harvesting a good alternative to construction of dams?

1. It is economical
2. It is environment friendly
3. It is expensive
4. It is ocially acceptable

Q. Which of the following statements is/are correct?

Statement 1: Rainwater harvesting is practiced only in arid regions.
Statement 2: Rainwater harvesting is a method of water conservation.

1. Statement 1 is true and statement 2 is false
2. Statement 2 is true and statement 1 is false
3. Both statements are true
4. Both statements are false

Q. Which of the following is/are true of rainwater harvesting?

1. It is more economical compared to the construction of dams.
2. It is the collection of groundwater in tanks.
3. It is the collection and storage of rainwater from rooftops and open grounds.
4. It is widely practised in Bikaner.

Q. Which kind of alternative is rainwater harvesting as opposed to dam construction?

1. Economical
2. Environment friendly
3. Expensive
4. Socially acceptable

Q. Select the appropriate option with respect to the assertion and the reasoning.

Assertion (A): In the state of Tamil Nadu, rooftop rainwater harvesting has been made compulsory for each and every household.
Reason (R): The problem of water scarcity is worsening every year in Tamil Nadu.

1. Both A and R are true, and R is the correct explanation of A.
2. Both A and R are true, but R is not the correct explanation of A.
3. A is true, but R is false.
4. A is false, but R is true.

Q. Which of the following statements is /are true regarding rainwater harvesting?

1. Rainwater harvesting is the collection and storage of rainwater that runs off from rooftops, parks, roads, and open grounds.
2. Rainwater harvesting is less economical as compared to the construction of dams.

[1 mark]

1. Only 1
2. Only 2
3. Both 1 & 2
4. Neither 1 nor 2

Q.

Find the incorrect match-

1. Himachal pradesh- Khadin

2. Maharashtra- Bandharas

3. Bihar-Ahars

4. Kerala-Surangams

Q. Water from the rain of the season is not collected during rainwater harvesting.

1. third
2. fourth
3. first
4. second

Q. What is Rooftop Rainwater harvesting?

1. When the water on rooftops from monsoon rains is harvested.
2. When water from rooftop is supplied to dams.
3. When rooftop water is purified.
4. When the water from home is stored in rooftop.

Q. What is rainwater harvesting?

1. Cleansing of rainwater
2. Purification of rainwater
3. Collection of rainwater
4. Distribution of rainwater

Q. What is Rooftop Rainwater harvesting?

1. Rooftop water is purified.
2. Water from home is stored in rooftop.
3. Water on rooftops from monsoon rains is harvested.
4. Water from rooftop is supplied to dams.

Q. Explain which way rainwater harvesting is carried out in arid and semi arid regions of Rajasthan.

Q. Give details about rainwater harvesting. List the advantages and cite an example of a region which has benefitted from it.

Q. Why is rain water harvested?

1. To generate electricity
2. For conservation of water
3. To combat global warming
4. To generate employment opportunities

Q. What is Palar Pani?

1. Rainwater
2. Damwater
3. Irrigation water
4. Tapwater

Q.

What is Palar Pani? what is its significance in the arid regions of Rajasthan?

Q. Palar pani is considered as impure water.

1. True
2. False

Q. Study the diagram below and answer the questions that follow:
i. Name the activity shown in the diagram.
ii. Give two objectives of the activity named in (d)(i).

Q. What is the annual precipitation of Gendathur, Mysore?

1. 1000 mm
2. 800 mm
3. 200 mm
4. 400 mm

Q. The given figure shows a Kundi i.e., a traditional rain water harvesting system used in India. Which of the following statements is incorrect regarding this?

1. X is made up of an impervious material in order to prevent percolation of rainwater into the ground.
2. Surface view of the entire structure resembles an upturned cup put on a saucer.
3. The Kundi technology was developed by people of Rajasthan's Thar desert.
4. This technology can be further improved by removing W and Y as they reduce the amount of rainwater reaching the storage well.

Q.

Why are different water harvesting systems considered a viable alternative both socio - economically and environmentally in a country like India ?

Q. Bhadra Reservoir Project is there in ____________.

1. Maharashtra
2. Karnataka
3. Mumbai
4. None of these

Q.

What is water-harvesting ? What is its importance ?

Q.

The primary source of natural water