hydrosphere & oceanography section 8 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one of the following ocean tides are caused by biological factors?

a) Perigean tide

b) Apogean tide

c) Neap tide

d) Red tide

Question : 2

Which water body separates Australia from New Zealand?

a) Great Barrier Reef

b) Tasman Sea

c) Cook Straits

d) Megallan

Question : 3

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 : 4

Gulf stream is

a) A local wind

b) A second name of jet stream

c) A river in the Gulf

d) An ocean current

Question : 5

Which of the following ocean currents does not belong to Indian Ocean?

a) Benguela Current

b) South Indian Ocean Current

c) Agulhas Current

d) Mozambique Current

Question : 6

The coastal part of water bodies of the oceans which is structurally part of the mainland of the continents is called

a) continental slope

b) continental shelf

c) isthumus

d) oceanic ridge