hydrosphere & oceanography section 8 MCQ Questions & Answers Detailed Explanation

Question : 1

Arrange the following lakes in correct descending order of their area using the code given below.

1. Great Bear
2. Baikal
3. Victoria
4. Superior

a) 3, 1, 4, 2

b) 4, 2, 1, 3

c) 4, 3, 2, 1

d) 3, 2, 1, 4

Question : 2

Consider the following statements:

1. Ocean crusts are denser than the continental crust.
2. Oceanic crusts are made up of granitic rocks whose composition is silicon and aluminium.
3. Granitic rocks are lighter in colour than basaltic.
4. Crust extends upto 70 km under mountains, in contrast to oceans which are about 5 km.

a) 1, 2, 3 and 4

b) 2, 3 and 4

c) 1, 3 and 4

d) 1, 2 and 4

Question : 3

What is true about Lake Superior ?

a) This lake has been created through fluvial erosion

b) It is the deepest lake of the world

c) It is a lake wholly within US

d) It is a the largest freshwater lake of the world

Question : 4

Match List-I with List-II and select the correct answer using the code given below: 

a) 1 2 4 3

b) 1 4 2 3

c) 3 4 2 1

d) 3 2 4 1

Question : 5

Which one of the following is a cold current of the South Atlantic Ocean?

a) Brazil current

b) Agulhas current

c) Canary current

d) Benguela current

Question : 6

Which one of the following currents has a warming influence on the neighbouring coast?

a) Oyasio

b) Canaries

c) Benguela

d) Agulhas