OCEANOGRAPHY PYQS JUNE & DEC 2012 NTA UGC NET
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Q.1. The cold current flowing along the coast of Chile and Peru is known as (UGC NET JUNE 2012)
(1) Agulhas
(2) EL-Nino
(3) Humboldt
(4) Canary
Answer: (3)
Q.2. The average difference in the water level between high tide and low tide at a place is referred to as: (UGC NET JUNE 2012)
(1) Tidal bore
(2) Tidal period
(3) Tidal range
(4) Tidal wave
Answer: (3)
Q.3. Flat topped sea mounts are known as (UGC NET JUNE 2012)
(1) Shoals
(2) Reefs
(3) Guyots
(4) Banks
Answer: (3)
Q.4. Which one of the following statements about salinity is not correct? (UGC NET JUNE 2012)
(A) Salinity is directly related to precipitation
(B) There exists a direct relationship between the rate of evaporation and salinity
(C) Low salinity is found near the mouth of a river
(D) The salinity is highest at the tropics and decreases towards poles and equator
Answer: (A)
Q.5. The origin of the ocean currents is related to (UGC NET JUNE 2012)
(A) Gravitational force
(B) Winds
(C) Salinity and density
(D) All of the above
Answer: (D)
(UGC NET DEC 2012)
Q.6. One of the proponents of the turbidity current theory of the origin of submarine canyons was (UGC NET DEC 2012)
(A) Daly
(B) Dana
(C) Salis
(D) Gregory
Answer: (A)
Q.7. The most common salt in the ocean is (UGC NET DEC 2012)
(A) Calcium chloride
(B) Sodium nitrate
(C) Sodium chloride
(D) Calcium nitrate
Answer: (C)
Q.8. In the hydrological cycle evaporation is preceded by (UGC NET DEC 2012)
(A) Clouds
(B) Precipitation
(C) Heat
(D) Condensation
Answer: (C)
Q.9. Pelagic deposits consist of matter derived from algae and are mostly in the form of liquid mud known as (UGC NET DEC 2012)
(A) Blue mud
(B) Ooze
(C) Red mud
(D) Coral mud
Answer: (B)
Q.10. The average temperature of the surface water of the oceans is (UGC NET DEC 2012)
(A) 22 º C
(B) 15 º C
(C) 26.7 º C
(D) 18.6 º C
Answer: (C)
Q.11. Which one of the following ocean currents belongs to Indian Ocean? (UGC NET DEC 2012)
(A) Canary Current
(B) Antilles Current
(C) Labrador Current
(D) Agulhas Current
Answer: (D)
Q.12. The Western Coast of Australia records higher salinity due to (UGC NET DEC 2012)
(A) Ocean currents
(B) Wind direction
(C) Dry weather condition
(D) All the above
Answer: (C)
Q.13. The highest salinity is found in the (UGC NET DEC 2012)
(A) Baltic Sea
(B) Okhotsk Sea
(C) Mediterranean Sea
(D) Red Sea
Answer: (D)
Q.14. Organic deposits made by living or dead organisms that form rock elevation like a ridge are known as (UGC NET DEC 2012)
(A) Corals
(B) Canyons
(C) Reefs
(D) Guyots
Answer: (C)
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