OCEANOGRAPHY PYQS JAN & NOV 2017 NTA UGC NET
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Q.1. Match List-I with List–II and select the correct answer from the codes given below: (UGC NET JAN 2017)
List-I
(Sea configuration)
(I) Sea water
(II) Oceanic crust
(III) Continental crust
(IV) Continental margin
List-II
(Density in gm/cm3)
(A) 2.4
(B) 1.03
(C) 2.8
(D) 2.9
Codes
I II III IV
(1). D B A C
(2). B D A C
(3). B D C A
(4). C D B A
Answer: 3
Q.2. Match List-I with List–II and select the correct answer from the codes given below: (UGC NET JAN 2017)
List-I (Sea configuration)
(I) Sea bottom
(II) Surface layer of sea water
(III) Deep-sea trenches
(IV) Sea water column
List-II (Deposits)
(A) Hadalpelagic
(B) Pelagic province
(C) Benthic province
(D) Epipelagic zone
Codes:
I II III IV
(1). C D B A
(2). C D A B
(3). D C B A
(4). A D B C
Answer: 2
Q.3. Which one of the following is the correct average slope angle of continental slope? (UGC NET JAN 2017)
(1) 2°
(2) 4°
(3) 6°
(4) 8°
Answer: 2
Q.4. Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Select your answer from the codes given below: (UGC NET JAN 2017)
Assertion (A): Coral reefs tend to be most extensively developed along the eastern edges of continents.
Reason (R): Sea water is warmer than 20 °C.
Codes:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A).
(2) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
(3) (A) is true, but (R) is false.
(4) (A) is false, but (R) is true.
Answer: 2
Q.5. which one of the following is the main chemical composition of coral reefs? (UGC NET JAN 2017)
(1) MgCO3 (Magnesium Carbonate)
(2) KCO3 (Potassium Carbonate)
(3) NaCl (Sodium Chloride)
(4) CaCO3 (Calcium Carbonate)
Answer: 4
Q.6. Negative Southern Oscillation Index refers to which of the following? (UGC NET JAN 2017)
(1) Favorable condition for El Nino
(2) Favourable condition for La Nina
(3) Favourable conditions both for El Nino and La Nina
(4) Unfavourable conditions both for El Nino and La Nina
Answer: 1
Q.7. In which of the following areas, the main centre of ‘Hurricane Mathew’ that occurred in Caribbean Sea in the 1st week of October, 2016 was located? (UGC NET JAN 2017)
(1) Florida
(2) Georgia
(3) South Carolina
(4) South-West Haitti
Answer: 3
Q.8. In Indian Ocean between 0° – 10° N and 0°-10° S latitudinal zones, the temperature variations is of about- (UGC NET JAN 2017)
(1) 3 °C
(2) 2 °C
(3) 1 °C
(4) 0 °C
Answer: 3
Q.9. The general depth of abyssal plain varies between (UGC NET JAN 2017)
(1) 1000 – 6000 metres
(2) 2000 – 6000 metres
(3) 3000 – 6000 metres
(4) 4000 – 6000 metres
Answer: 3
Q.10. Match List 1 with List II and select the correct answer from the codes given below: (UGC NET JAN 2017)
List I (Ocean deeps)
(I) Challenger
(II) Aldrich
(III) Romanche
(IV) Nares
List II (Location)
(A) South Pacific
(B) North Atlantic
(C) North Pacific
(D) South Atlantic
Codes:
I II III IV
(1). C A D B
(2). D C B A
(3). A B C D
(4). B D A C
Answer: 1
(UGC NET NOV 2017)
Q.11. Which one of the following periods when the sea level around the world, was as must as 130 meters lower than today (UGC NET NOV 2017)
(1) Holocene
(2) Pleistocene
(3) Miocene
(4) Cambrian
Answer: 2
Q.12. Given below are two statements, one labelled as Assertion (A) and the other labelled as Reason (R). Select your answer from the code given below: (UGC NET NOV 2017)
Assertion (A): The moon produces greater percentage of Earth’s tides than the sun.
Reason (R): The sun is closer to the Earth than the Moon.
Code:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A).
(2) Both (A) and (R) are true but (R) is not a correct explanation of (A).
(3) (A) is true, but (R) is false.
(4) (A) is false, but (R) is true.
Answer: 3
Q.13. Which of the following Ocean routes is the most important and busiest route in the world? (UGC NET NOV 2017)
(1) The Cape Route
(2) North Pacific Route
(3) South Atlantic Route
(4) North Atlantic Route
Answer: 4
Q.14. Who among the following scholars has given the subsidence theory relating to coral-reefs? (UGC NET NOV 2017)
(1) Dally
(2) Davis
(3) Dutton
(4) Darwin
Answer: 4
Q.15. Give below are two statements, one labelled as assertion (A) and the other labelled as Reason (R). Select your answer from the code given below: (UGC NET NOV 2017)
Assertion (A): The shift of ITCZ is greater over sea than over land.
Reason (R): The land surface gets more heated than water bodies.
Code:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true, but (R) is not a correct explanation of (A)
(3) (A) is true, but (R) is false
(4) (A) is false, but (R) is true
Answer: 4
Q.16. Which one of the following regions is with high ocean water salinity? (UGC NET NOV 2017)
(1) Equatorial
(2) Polar
(3) Subtropical
(4) Subpolar
Answer: 3
Q.17. Which one of the following is responsible for the greatest movements of all the tides? (UGC NET NOV 2017)
(1) Size of the Ocean
(2) Shape of the continents
(3) Gravitational attraction
(4) Salinity of the Ocean
Answer: 1
Q.18. Which one of the following percentages of distance from earth surface is correct for ‘perigee’ of Moon than ‘apogee’? (UGC NET NOV 2017)
(1) 2%
(2) 5%
(3) 8%
(4) 12%
Answer: 4
Q.19. Given below are two statements, one labelled as assertion (A) and the other labelled as Reason (R). Select your answer from the code given below: (UGC NET NOV 2017)
Assertion (A): The western sides of oceans are always warmer than the eastern margins.
Reason (R): The movement of major ocean currents is in the western sides.
Code:
(1) Both (A) and (R) are true and (R) is the correct explanation of (A)
(2) Both (A) and (R) are true, but (R) is not a correct explanation of (A)
(3) (A) is true, but (R) is false
(4) (A) is false, but (R) is true
Answer: 1