hydrosphere & oceanography section 8 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements:

1. The Earth does not move along its orbit at a constant rate
2. The Earth moves fastest at perihelion and slowest at aphelion.

a) Newton’s law of gravitation

b) Ohm’s law

c) Kepler’s second law

d) Newton’s second law of motion

Question : 2

The largest ocean is

a) Pacific Ocean

b) Arctic Ocean

c) Atlantic Ocean

d) Indian Ocean

Question : 3

When was Macau island transferred to China?

a) 1999

b) 1997

c) 1990

d) 1992

Question : 4

The highest salinity is found in which of the following lakes?

a) Baikal lake

b) Balkash lake

c) Van Lake

d) Dead sea

Question : 5

Statement I
Tsunami is small in open ocean yet may be over 30 m high when it reaches a coastline.
Statement II
Tsunam is have long wavelength and they travel across the open ocean at high speed. As they approach shore, the wavelength decreases and the wave height increases.

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 : 6

Which water body separates Australia from New Zealand?

a) Great Barrier Reef

b) Tasman Sea

c) Cook Straits

d) Megallan