hydrosphere & oceanography section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Statement I :
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.
Statement II :
Earth rotates from the West towards the East once in 24 hours with respect to the Sun.
Code :

a) Statement I is false but Statement II is true

b) Statement I is true but Statement II is false

c) Both the statements are individually true and Statement II is the correct explanation of Statement I

d) Both the statements are individually true but Statement II is not the correct explanation of Statement I

Question : 2

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

a) 4 3 1 2

b) 3 4 1 2

c) 1 2 3 4

d) 1 3 4 2

Question : 3

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

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

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

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

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

Question : 4

Gulf stream is

a) a surface wind

b) another name of Jet Stream

c) a river in the gulf

d) an oceanic current

Question : 5

Dolphin Challenger Ridge is located in

a) Indian Ocean

b) Arctic Ocean

c) Atlantic Ocean

d) Pacific Ocean

Question : 6

Which one of the following statements is not true about the subsidence theory of Coral reefs?

a) Reef building starts from submarine plate form.

b) Fringing reef, barrier reef and atolls are successive stages of coral reef development.

c) The theory has been postulated by Charles Darwin.

d) According to the theory coral polyps grow both in shallow and deep oceanic waters.