hydrosphere & oceanography section 3 MCQ Questions & Answers Detailed Explanation

Question : 1

What is Gulf Stream?

a) A warm current in the Pacific Ocean

b) A warm current in the Atlantic Ocean

c) A cold current in the Atlantic Ocean

d) A cold current in the Pacific Ocean

Question : 2

How much of world’s surface is covered by water?

a) 25%

b) 80%

c) 55%

d) 70%

Question : 3

Consider the following statements :

1. The Labrador Current is a cold current in the North Atlantic Ocean.
2. The Falkland current is a warm current that flows along the Chile coast of the South Pacific Ocean.

a) Neither 1 nor 2

b) Both 1 and 2

c) Only 1

d) Only 2

Question : 4

The place where China has started construction of a dam on Brahmaputra River in Nov. 2010 is

a) Gyangze

b) Zhuang

c) Chingdu

d) Zangmu

Question : 5

Which one of the following is a warm ocean current?

a) Peru current

b) Benguela current

c) East Australian current

d) West Australian current

Question : 6

Which among the following statements about the North Atlantic Drift is/are correct?

1. It keeps the west coast of Northern Europe ice-free.
2. It is responsible for the warm air mass which interacts with the cold air mass from the Polar region and causes rainfall in Western Europe.
3. It meets the Labrador current near Vancouver Island and causes dense fog.

a) 1 and 3

b) 2 only

c) 1, 2 and 3

d) 1 and 2