Hydrosphere Multiple Choice Questions
Hydrosphere Multiple Choice Questions
1-The hydrosphere is the mass of water found
(A) on the earth
(B) found under the earth
(C) above the surface of a planet
(D) all of the above
2-Fresh water accounts for __ of the water on earth.
(A) 2.5%
(B) 5%
(C) 7.5%
(D) 10%
3-Out of the fresh water __ is in the form of ice and permanent snow cover in the Arctic.
(A) 58.9%
(B) 68.9%
(C) 78.9%
(D) 88.9%
4-How much portion of earth’s surface is covered by ocean?
(A) 61%
(B) 66%
(C) 71%
(D) 76%
5-The average salinity of Earth’s oceans is about ___ of salt per kilogram of sea water.
(A) 35 grams
(B) 55 grams
(C) 75 grams
(D) 95 grams
6-The water cycle refers to the transfer of water from
(A) one state to another
(B) one reservoir to another
(C) both (a) and (b)
(D) none of the other
7-Following is (are) reservoir(s)
(A) atmospheric moisture
(B) groundwater
(C) oceans
(D) all of the above
8-Sublimation refers to evaporation from
(A) snow
(B) oceans
(C) rivers
(D) ponds
9-Most evaporation comes from
(A) rivers
(B) oceans
(C) snow
(D) none of the above
10-___ refers to the expiration of water through the minute pores or stomata of trees.
(A) Evaporation
(B) Transpiration
(C) Sublimation
(D) all of the above
11-___ is the term used by hydrologists in reference to the process(es)
(A) transpiration
(B) sublimation
(C) evaporation
(D) together transpiration, sublimation and evaporation
12-The total runoff of the Earth’s rivers is
(A) 32,700 km3/year
(B) 38,500 km3/year
(C) 42,700 km3/year
(D) 48,500 km3/year
13-Earth is also known as
(A) Red planet
(B) Blue planet
(C) Brown planet
(D) None of the above
14-Of the fresh water, ___ is in the form of fresh groundwater.
(A) 25.4%
(B) 28.7%
(C) 30.8%
(D) 32.5%
ANSWERS:
1-(D), 2-(A), 3-(B), 4-(C), 5-(A), 6-(C), 7-(D), 8-(A), 9-(B), 10-(B), 11-(D), 12-(C), 13-(B), 14-(C)