hydrosphere & oceanography section 8 MCQ Questions & Answers Detailed Explanation

Question : 1

Match List I with List II and select the correct answer using the code given below the Lists : List I (Ocean current) A. Guinea current B. Oyashio current C. Canaries current D. Kuroshio current List II (Location in Map) Code :

a) A-4; B-1; C-3; D-2

b) A-2; B-1; C-3; D-4

c) A-4; B-3; C-1; D-2

d) A-2; B-3; C-1; D-4

Question : 2

Which of the following pair of oceanic currents is shown in the given map?

a) Benguela and Guinea

b) Agulhas and Guinea

c) Benguela and Falkland

d) Canary and Hamboldt

Question : 3

The waterfall ‘Victoria’ is associated with the river

a) Zambezi

b) St. Lawrence

c) Amazon

d) Missouri

Question : 4

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 : 5

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 : 6

Water of which one of the following sea is most saline?

a) Red Sea

b) Dead Sea

c) Baltic Sea

d) Black Sea