hydrosphere & oceanography section 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one is the most extensive part of the oceanic floor?

a) Deep Sea Plains

b) Oceanic Shelves

c) Ocean Deeps

d) Oceanic Slope

Question : 2

The Aswan High Dam is located in

a) Nigeria

b) Zaire

c) Sudan

d) Egypt

Question : 3

Arrange the following features formed by rivers in its course starting from upstream:

1. Meanders
2. Falls
3. Delta
4. Oxbow Lake

a) 1 – 4 – 2 – 3

b) 1 – 2 – 3 – 4

c) 2 – 1 – 3 – 4

d) 2 – 1 – 4 – 3

Question : 4

When water freezes in the polar seas the salts

a) partly freeze and partly sink to the bottom

b) sink to the bottom

c) form a layer on top

d) remain in the sub-surface water that does not freeze

Question : 5

The horizontal distribution of temperature of ocean water is largely affected by

1. Depth of water in the ocean
2. Ocean current
3. Prevailing winds
4. Latitudes

a) 1, 2, 3 and 4

b) 2, 3 and 4

c) 1, 2 and 3

d) 1, 2 and 4

Question : 6

Assertion (A): The distance between India and the Western countries was shortened by the construction of the Suez Canal.
Reason (R): The Suez Canal connects the Mediterranean to the Red Sea.
Select the correct answer by using the codes given below.

a) (A) is false, but (R) is true

b) (A) is true, but (R) is false

c) Both (A) and (R) are true and (R) is the correct explanation of (A)

d) Both (A) and (R) are true, but (R) is not the correct explanation of (A)