Ground Water

Q. The compressibility of water is 4 x 10${}^{-5}$ per unit atmosphere pressure. The decrease in volume of 100cm${}^3$ water under a pressure of 100atm will be

1. 0.4 cm${}^3$
2. 4 x 10${}^{-5}$cm${}^3$
3. 0.025 cm${}^3$
4. 0.04cm${}^3$

Q. Which among the following options will lead to the birth of drought?

1. Deforestation
2. Heavy rainfall
3. Excessive use of ground and surface water.
4. Excessive rain

Q.

Despite natures monsoon's bounty, failure to sustain water availability underground is due to:

1. Pollution from industrial effluents and urban waste

2. Loss of vegetation cover

3. Improper irrigation method

4. All of these

Q.

Which of the following is an advantage of ground water storage?

1. No evaporation

2. Spreads out to recharge wells

3. Provides moisture/vegetation over a wide area

4. All of these