OCEANOGRAPHY PYQS JUNE & DEC 2015 NTA UGC NET
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Q.1. “All coral reefs begun as fringe reefs around an inland”. This was indicated in: (UGC NET JUNE 2015)
(1) Day’s glacial control theory
(2) Daly’s subsidence theory
(3) Darwin’s glacial control theory
(4) Darwin’s subsidence theory
Answer: 4
Q.2. The speed of a ocean current is about: (UGC NET JUNE 2015)
(1) 2% of the speed of prevailing wind
(2) 4% of the speed of prevailing wind
(3) 6% of the speed of prevailing wind
(4) 8% of the speed of prevailing wind
Answer: 1
Q.3. The ocean water was iceberg free during the era: (UGC NET JUNE 2015)
(1) Archaean
(2) Paleozoic
(3) Cenozoic
(4) Mesozoic
Answer: 4
Q.4. The salinity of sea ice ranges from: (UGC NET JUNE 2015)
(1) 0 – 3%
(2) 3 – 10%
(3) 11 – 17%
(4) 28 – 35%
Answer: 2
Q.5. Who postulated the ‘Progressive Wave Theory of Tides’? (UGC NET JUNE 2015)
(1) C. Darwin
(2) William Whewill
(3) R.A. Haris
(4) Daly
Answer: 2
Q.6. Surface circulation of ocean water is driven by: (UGC NET JUNE 2015)
(1) Resisting force
(2) Tidal force
(3) Gravitational force
(4) Blowing wind
Answer: 4
Q.7. For coastal sand dune formation, the ideal grain size diameter is: (UGC NET JUNE 2015)
(1) 0.15 mm
(2) 0.50 mm
(3) 0.25 mm
(4) 0.75
Answer: 3
Q.8. Coastal area greatly affected by storm surge is: (UGC NET JUNE 2015)
(1) Andhra coast
(2) West Bengal coast
(3) Chennai coast
(4) Kerala coast
Answer: 2
Q.9. Consider the following statement: (UGC NET JUNE 2015)
(a) Nearly 30% of the petroleum production in the world is from the off shore areas.
(b) The exclusive economic zone in the ocean extends up to 100 nautical miles from the coast.
(c) Only less than 1% of marine area is declared as protected area.
(d) The largest marine protected area is the Great Barrier Reef.
Which of these statements are correct?
(1) (a) and (b)
(2) (a), (c) and (d)
(3) (a) and (d)
(4) (b) and (d)
Answer: 2
Q.10. Which one of the following is the busiest oceanic trade route? (UGC NET JUNE 2015)
(1) Panama
(2) North Atlantic route
(3) Suez Canal
(4) Cape route
Answer: 2
Q.11. Which one of the following is shown with the help of Isobaths? (UGC NET JUNE 2015)
(1) Salinity of sea Water
(2) Depth of Ocean water
(3) Altitude of Oceanic ridge
(4) Amplitude of wave
Answer: 2
(UGC NET DEC 2015)
Q.12. Maximum density of sea water is at temperature: (UGC NET DEC 2015)
(1) 20 C
(2) 40 C
(3) 60 C
(4) 250 C
Answer: 2
Q.13. Which one of the following is correct arrangement of oceans in ascending order of their size? (UGC NET DEC 2015)
(1) India – Arctic – Atlantic – Pacific
(2) Arctic – Indian – Atlantic – Pacific
(3) Pacific – Atlantic – Indian – Arctic
(4) Atlantic – Pacific – Arctic – Indian
Answer: 2
Q.14. Match List – I with List-II and select the correct answer from the code given below: (UGC NET DEC 2015)
List – I (Oceans)
(a) Indian
(b) North Pacific
(c) South Pacific
(d) Atlantic
List – II (Currents)
(i) EI – Nino
(ii) Kuroshio
(iii) Monsoon Drift
(iv) Gulf Stream
Codes:
(a) (b) (c) (d)
(1) (iv) (iii) (ii) (i)
(2) (iii) (ii) (i) (iv)
(3) (i) (iv) (iii) (ii)
(4) (ii) (i) (iv) (iii)
Answer: 2
Q.15. Match List-I with List-II and select the correct answer from the codes given below: (UGC NET DEC 2015)
List-I (Ocean depth)
(a) 0 – 500 metres
(b) 500 -1000 metres
(c) 1000 – 1500 metres
(d) > 1500 metres
List – II (Thermal layers)
(i) Cold
(ii) Cool
(iii) Warm
(iv) Thermocline
Codes:
(a) (b) (c) (d)
(1) (i) (ii) (iii) (iv)
(2) (ii) (iii) (iv) (i)
(3) (iv) (ii) (iii) (i)
(4) (ii) (iv) (i) (iii)
Answer: 1
Q.16. Ocean waves obtain their energy from: (UGC NET DEC 2015)
(1) Solar system
(2) Hot spring
(3) River water
(4) Blowing wind
Answer: 4
Q.17. Over the past century world sea levels has risen by around: (UGC NET DEC 2015)
(1) 15 cm
(2) 25 cm
(3) 35 cm
(4) 45 cm
Answer: 1
Q.18. Identify the correct sequence from land to sea. (UGC NET DEC 2015)
(1) Swash, Breaker, Transition, Surf
(2) Swash, Transition, Breaker, Surf
(3) Swash, Trasition, Surf, Breaker
(4) Breaker, Swash, Surf, Transition
Answer: 1
Q.19. Which of the following show correct sequence of coral development? (UGC NET DEC 2015)
Codes:
(1) (a) (b) (c) (d)
(2) (a) (b) (d) (a)
(3) (d) (b) (c) (a)
(4) (c) (d) (a) (b)
Answer: 1
Q.20. Which one of the following lakes/sea has the highest salinity in the world? (UGC NET DEC 2015)
(1) Pachpadra Lake
(2) Sambhar Lake
(3) Lake-Vane
(4) Dead Sea
Answer: 4