Hydrosphere MCQs

Which factors influence ocean currents?
I. Coriolis force
II. Local winds
III. Waves
IV. Continent shape

Fishing grounds are concentrated in the high latitudes. The reasons are:
1. great length of indented coastline
2. extensive continental shelves
3. water temperatures lower than 20°C
4. sparse population

Consider the following statements:
1. The Benguela current had its influence in the formation of Kalahari Desert.
2. The Agulhas current has its influence in the formation of Thar Desert.
3. The currents of Northern Indian Ocean change their course of flow twice a year.
Which of the statements given above is/are correct?

Consider the following statements:
1. Bermuda situated in Western Atlantic Ocean is a United Kingdom Overseas Territory.
2. 38th Parallel divided boundary between North and South Vietnam before unification
3. Bahamas situated near Florida is one of the states of USA.
Which of these statements is/are correct?

Consider the following percentages regarding the world's water resources:
1. Oceans and lakes - 95%
2. Frozen as ice - 4%
3. For man's use - 1%
Which of the above are correct percentages?

With reference to a fresh water lake, consider the following characteristics:
1. Richness in nutrients
2. Rapid turnover of phytoplankton
3. Depletion of dissolved oxygen
Which of the above is/are observed in a lake after its eutrophication?

Which of the following river stages and features is/are wrongly matched?
1. Mountain stage : waterfalls
2. Plain stage : oxbow lake
3. Plain stage : delta
4. Mountain stage : deposition