OCEANOGRAPHY PYQS JUNE & DEC 2020 NTA UGC NET
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Q.1. Who is recognised as the founder of Scientific Marine Meteorology (NTA UGC NET JUNE 2020)
(1) L.C. King
(2) M.F. Maury
(3) W.M. Davis
(4) F.P. Shepard
Answer: 2
Q.2. Identify the processes of heating of ocean water. (NTA UGC NET JUNE 2020)
(A) Absorption of radiation from the sun
(B) Transformation of kinetic energy
(C) Melting of polar ice
(D) Violation of Ocean laws
Choose the correct answer from the options given below:
(1) (A) and (C) only
(2) (B) and (C) only
(3) (A) and (B) only
(4) (C) and (D) only
Answer: 3
Q.3. Match List I with List II: (NTA UGC NET JUNE 2020)
List I – Salts in sea water
(A) Sodium Chloride
(B) Magnesium Chloride
(C) Magnesium Sulphate
(D) Calcium Sulphate
List II – Amount in sea water (%)
(I) 3.807%
(II) 27.213%
(III) 1.260%
(IV) 1.658%
Choose the correct answer from the options given below:
| A | B | C | D | |
| (1) | II | I | IV | III |
| (2) | II | I | III | IV |
| (3) | I | III | IV | II |
| (4) | I | II | IV | III |
Answer: 1
Q.4. Given below are two statements: (NTA UGC NET JUNE 2020)
Statement I: Due to an increase of pressure near the ocean bottom, the density also increases from surface towards the depth
Statement II: If light surface water is driven away by winds, dense sub-surface water upwells on the surface
In the light of the above Statements, choose the correct answer from the options given below
(1) Both Statement and Statement Il are true
(2) Beith Statement and Statement 1 are false
(3) Statement is correct but Statement II is false
(4) Statement lis incorrect but Statement II is true
Answer: 1
Q.5. Given below are two statements: One labeled as Assertion (A) and the other labeled as Reason (R) (NTA UGC NET JUNE 2020)
Assertion (A): The moon’s high tide time lag in each day is 50 minutes.
Reasons (R): The total duration required to complete the two cycles of high and low tides at any place in 24 hours 50 minutes.
In the light of the above Statements, choose the most appropriate answer from the options given below:
(1) Both (A) and (R) are correct and (R) is the correct explanation of (A)
(2) Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)
(3) (A) in correct but (R) in not correct
(4) (A) is not correct but (R) is correct
Answer: 1