| 1 |
Water covers of the Earth's surface. |
- A. About 69%
- B. About 71%
- C. About 72%
- D. About 75%
|
| 2 |
Water absorb heat energy from.............. to turns into vapours. |
- A. Sun
- B. Fire
- C. Moon
- D. Night
|
| 3 |
Teh combination of rain fall and snowfall is called. |
- A. Snow
- B. Sleet
- C. Rain
- D. Hailing
|
| 4 |
------------ is the process where lce directly conerts into water vapours. |
- A. Runoff
- B. Sublimation
- C. Condensation
- D. Evaporation
|
| 5 |
The water cycle begins with |
- A. Evaporation
- B. Condensation
- C. Transpiration
- D. Infiltration
|
| 6 |
----------------- is made from food scraps and animal waste. |
- A. Sui gas
- B. Biowater
- C. Biogas
- D. None
|
| 7 |
------------------ is used to kill the germs in water. |
- A. Nitrogen
- B. Oxygen
- C. Chlorine
- D. Sulphur
|
| 8 |
Lines on map showing equal amount of rain fall are called. |
- A. Baraometer
- B. Rain lines
- C. Isohyet
- D. None of these
|
| 9 |
The river is estimated to carry 20% of all the fresh water found on the Earth. |
- A. Indus
- B. Nile
- C. Tigris
- D. Amazon
|
| 10 |
The fall of moisture on the surface of earth is called. |
- A. River
- B. Ocean
- C. Lake
- D. Precipitation
|