hydrosphere & oceanography section 7 MCQ Questions & Answers Detailed Explanation

Question : 1

Sunda Trench lies in

a) Antarctic Ocean

b) Indian Ocean

c) Atlantic Ocean

d) Pacific Ocean

Question : 2

The colour of Yellow Sea is the result of

a) high sulphur content in the bottom rocks.

b) Silt brought by Hwang-HE river.

c) industrial pollution.

d) peculiar types of phytoplankton growing there.

Question : 3

Which of the following is the correct order of current of the South Atlantic Ocean from Equator and back?

1. Benguela
2. Brazil
3. South Atlantic Drift
4. South Equatorial

a) 3, 2, 4, 1

b) 4, 2, 3, 1

c) 1, 4, 2, 3

d) 3, 2, 1, 4

Question : 4

Which of the following factors influence ocean currents?

1. Rotation of the Earth
2. Air pressure and wind
3. Ocean water density
4. Revolution of the Earth

a) 2, 3 and 4

b) 1 and 4

c) 1 and 2

d) 1, 2 and 3

Question : 5

Syr and Amu rivers fall into

a) Aral Sea

b) Baltic Sea

c) Caspian Sea

d) Black Sea

Question : 6

The distance from Aceh in the far North-West to Torres Strait in the East is 5000 miles, almost equal to the distance London and Baghadad. The archipelago has 14,000 islands, some mere equatorial rocks, others some of the largest in the world. This description best fits

a) Indonesia

b) Philippines

c) West Indies

d) Japan