hydrosphere & oceanography section 1 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 26

Which of the following conditions for the survival of corals are correct?

1. The water temperature must not fall below 20°C
2. The depth of water should not exceed 30 fathoms
3. The salinity should be less than 10%
4. The water should be free from sediments.

a) 1, 2 and 4

b) 1, 2 and 3

c) 1 and 2

d) 3 and 4

Question : 27 [NDA 2015-I]

Statement I :
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.
Statement II :
Earth rotates from the West towards the East once in 24 hours with respect to the Sun.
Code :

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 : 28 [UPPCS (Pre) 2013]

Match List-I with List-II and select the correct answer using the code given below the lists.

a) 4 3 1 2

b) 3 4 1 2

c) 1 2 3 4

d) 1 3 4 2

Question : 29 [NDA 2015-I]

Match List I with List II and select the correct answer using the code given below the Lists:

a) A-3; B-1; C-4; D-2

b) A-3; B-4; C-1; D-2

c) A-2; B-1; C-4; D-3

d) A-2; B-4; C-1; D-3

Question : 30 [UPPCS (Pre) 2015]

Which of the following is the oldest and deepest lake of the world?

a) Lincanbur Lake

b) Karda Lake

c) Baikal Lake

d) Great Bear Lake