hydrosphere & oceanography section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one of the following is the correct sequence of the terrigenous deposits from the coast to the deeper part of the sea?
Use the codes given below to select the correct answer:

1. Clay
2. Mud
3. Sand
4. Silt

a) 3, 4, 1, 2

b) 1, 4, 3, 2

c) 4, 2, 1, 3

d) 3, 2, 4, 1

Question : 2

Tides occur in oceans and seas due to which among the following?

1. Gravitational force of Sun.
2. Gravitational force of Moon.
3. Centrifugal force of Earth.

a) 1, 2 and 3

b) Only 1 and 3

c) Only 1

d) Only 2 and 3

Question : 3

Which of the following seas does not have a coast line?

a) Caspian Sea

b) Sea of Azov

c) Black Sea

d) Sargasso Sea

Question : 4

What explains the Eastward flow of the equatorial counter-current?

a) Occurrence of the Belt of Calm near the equator

b) Difference in salinity of water

c) The Earth’s rotation on its axis

d) Convergence of the two equatorial currents

Question : 5

The correct sequence of the following seas from West to East is

a) Black Sea, Mediterranean Sea, Aral Sea, Caspian Sea

b) Mediterranean Sea, Black Sea, Caspian Sea, Aral Sea

c) Black Sea, Mediterranean Sea, Caspian Sea, Aral Sea

d) Caspian Sea, Mediterranean Sea, Black Sea, Aral Sea

Question : 6

Consider the following statements:

1. Annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.
2. Annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere.

a) Neither 1 nor 2

b) Both 1 and 2

c) 1 only

d) 2 only