Oceanography (CBSE-NET (UGC) Geography (Paper-II & Paper-III)): Questions 39 - 43 of 145

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Question number: 39

» Oceanography » Bottom Relief of Indian, Atlantic and Pacific Oceans

MCQ▾

Question

The longest trench in the world is

Choices

Choice (4) Response
a.

Kurile Kamchatka

b.

Java

c.

Mariana

d.

Peru, Chile

Question number: 40

» Oceanography » Ocean Deposits

MCQ▾

Question

Arrange the following based on percentage area occupied by them in decreasing order.

Choices

Choice (4) Response
a.

Red clay, Diatom ooze, Globigerina ooze, Radiolaria ooze

b.

Diatom ooze, Red clay, Radiolaria ooze, Globigerina ooze

c.

Red clay, Globigerina ooze, Diatom ooze, Radiolaria ooze

d. Question does not provide sufficient data or is vague

Question number: 41

» Oceanography » Temperature and Salinity of the Oceans

Assertion-Reason▾

Assertion (Ꭺ)

Isotherms over the oceans do not run parallel to the lines of latitudes.

Reason (Ꭱ)

They are affected by prevailing winds and the ocean current.

Choices

Choice (4) Response
a. Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ
b. Ꭺ is true but Ꭱ is false
c. Both Ꭺ and Ꭱ are false
d. Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 42

» Oceanography » Temperature and Salinity of the Oceans

MCQ▾

Question

In Open Ocean in the subtropical high pressure zone the salinity is ________ while in the enclosed seas in the same latitude, salinity is ________.

Choices

Choice (4) Response
a.

constant, higher

b.

lower, higher

c.

higher, lower

d.

higher, constant

Question number: 43

» Oceanography » Ocean Deposits

MCQ▾

Question

Red clay is chiefly composed of

Choices

Choice (4) Response
a.

Windblown volcanic ash

b.

rock waste dropped by icebergs

c.

clay minerals derived from wind borne dust

d. All a. , b. and c. are correct

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