Water Harvesting

Q.

Describe briefly the 'Khadin' system of rainwater harvesting practised in Rajasthan.

Q.

(a) What is meant by rainwater harvesting? Name some of the ancient structures used for rainwater harvesting by the rural people.
(b) What are the various advantages of water stored in the ground?

Q. What is the main purpose of rainwater harvesting?

Q. ___ is the water harvesting technique in Kerala.

1. Kulhs
2. Khadins
3. Surangams
4. Pynes

Q. The process of collection and storage of rainwater for reuse on-site, rather than allowing it to run off is known as ___.

Q.

What is the name of the process in which rainwater falling on the earth is stopped from flowing and made to percolate into the ground?

Q.

Ahars, Kattas, Bhundhis and Khadins are the modes of:
(a) grain storage
(b) soil conservation
(c) water harvesting
(d) cold storage

Q.

Explain briefly, how rainwater harvesting is done from open spaces around the buildings in city areas. ​​​​

Q.

Which of the following is not an ancient water harvesting structure?
(a) kattas
(b) sargam
(c) kulhs
(d) surangams

Q.

A part of rainwater percolating down through the rocky layer and collecting underground is called ___________(underground water/surface water).

Q.

The primary source of water is

1. River

2. Groundwater

3. Lake

4. Rainwater

Q.

Name the most common practice of recharging ground water?

Q.

With which process are the following ancient structures associated?
Kulhs, Eris, Surangams, Kattas, Pynes

Q.

Which of the following is not a traditional age-old water harvesting system used in India?

1. Khadins

2. Nadis

3. Bundhis

4. Lahanis

Q. Watershed management is necessary to achieve which of the following objective?

1. Increase in biomass.
2. Decrease in biomass
3. Mitigates drought.
4. Mitigates flood.

Q.

What is the main purpose of water shed harvesting?

1. Have sufficient supply of water even after the monsoon season.

2. Collect water and use it for irrigation

3. Recharge ground water

4. Prevent water from evaporating

Q.

Fill in the following blanks with suitable words:
(a) LPG is a ______ fuel but biogas is not a ______ fuel.
(b) Glaciers are a source of ______
(c) One of the main aims of the management of forests and wildlife is to conserve the ______ which we have inherited.
(d) Khadin is a traditional ______ harvesting system in Rajasthan.
(e) When a fuel burns in an insufficient supply of air, then some poisonous gas called ______ is also produced.

Q. Question 21
Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

(a) grain storage
(b) wood storage
(c) water harvesting
(d) soil conservation

Q. Question 21
Khadins, Bundhis, Ahars and Kattas are ancient structures that are examples for

(a) grain storage
(b) wood storage
(c) water harvesting
(d) soil conservation

Q. Match the following techniques with the corresponding states in which it was practiced?

1. Madhya Pradesh
2. Rajasthan
3. Bihar
4. Karnataka

Q. The large structures that are constructed to ensure the adequate storage of water not just for irrigation, but also for generating electricity are called as ___.

Q.

How many primary resources are there in watershed management?

__

Q. State whether the following statement is True or False:
Watershed systems have recharged ground water levels and even brought rivers back to life.

1. True
2. False

Q. The large structures that are constructed to ensure the adequate storage of water not just for irrigation, but also for generating electricity are called as ___.

Q.

In watershed management which of the following is a primary resource?

1. None of These

2. Land

3. Plants

4. Animals

Q. Question 26
List two advantages associated with water harvesting at the community level.