Water harvesting is done to

Which of the following activities help(s) in saving maximum amount of water?

Open wells are mainly fed by

Which of the following statements is true?

Recycling of water can be best explained by which of the following slogans?

Which of the following activities involve the use of water?

A. Washing clothes B. Bathing C. Cleaning utensils D. Drying wet clothes E. Cleaning bike

In which of the following situations does evaporation occur?

1. Water drops appearing on the outer surface of a glass containing cold water
2. Fog appearing on a cold winter morning
3. Steam rising from wet clothes while they are ironed
4. Blackboard drying up after being wiped

By which of the following processes does water go in the atmosphere to form clouds?

a. Condensation b. Evaporation c. Transpiration

In which of the following activities will you use the minimum amount of water?

The water we see on plants on a spring morning is due to

The quantity of water required to produce 8 pages of a book is

Which of the following statements is/are true?

1. Excessive rains may cause floods.
2. No rainfall for a year or more may lead to drought in a region.
3. Steam rising from a hot girdle when water is sprinkled on it is due to evaporation.

Transpiration involves the

Heavy rainfall causes extensive damage to

a. crops b. property and human life c. domestic animals d. health

Which of the following statements is/are true?

1. Salt is not carried by the water vapour of seawater during evaporation.
2. Heat is an essential condition for vapourisation.
3. Fog appearing on a cold winter morning is due to condensation.