1. Of the following, the concordant coast is/are
(a) Ria
(b) Fiord
(c) Dalmatian
(d) Both (a) and (b)
2. The layer in the ocean bottom where the maximum vertical temperature gradient occurs is
(a) Thermocline
(b) Epilimnion
(c) Hypolimnion
(d) Hyperlimnion
3. The Ultra-violet and infra-red rays forms how much percentage of insolation respectively?
(a) 43 and 6
(b) 6 and 43
(c) 8 and 47
(d) 47 and 8
4. The convective transfer of energy is confined only to the
(a) Stratosphere
(b) Troposphere
(c) Mesosphere
(d) Ionosphere
5. Of the main constituents, which of the following have great influence in earth’s climatic conditions?
1. Oxygen
2. Nitrogen
3. Carbon dioxide
4. Water vapour
5. Dust particles
6. Ozone
Select the correct answer from the codes given below.
Codes:
(a) 1, 3, 4, 5, 6
(b) 3, 4, 5, 6
(c) 2, 3, 4, 6
(d) 1, 2, 3, 4, 5, 6
6. A submarine mountain or peak rising more than 1000 m above the ocean floor is known as
(a) Guyots
(b) Seamounts
(c) Abyssal hills
(d) Trenches
7. Generally continental slope extends to a depth of
(a) 200 fathoms
(b) 2000 fathoms
(c) 200 metres
(d) 200 kilometres
8. Which of the following is/ar correct?
1. The Northern Pacific is the deepest part of the Ocean
2. The South-West Pacific is devoid of marginal seas
3. The South-East Pacific has broad submarine ridges and plateaus
4. The ocean floor of the Pacific Ocean is fairly uniform with broad rises and depressions
Select the correct answer from the codes given below.
(a) 1, 2, 3, 4
(b) 1 and 4
(c) 2, 3
(d) 1, 3, 4
9. What of the following is a warm current?
(a) Oya Shio current
(b) Kuro Shio current
(c) Okhotsk current
(d) Peru current
10. The average salinity of Great salt lake is around.
(a) 220%
(b) 240%
(c) 330%
(d) None of these
Answers Key
1.(c)
2.(a)
3.(b)
4.(b)
5.(b)
6.(b)
7.(b)
8.(d)
9.(b)
10.(d)
1.(c)
2.(a)
3.(b)
4.(b)
5.(b)
6.(b)
7.(b)
8.(d)
9.(b)
10.(d)
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