Oceanic / Circulation of the Ocean – UGC NET – Solved PYQs

Covered Topics: Ocean Currents, Waves & Tides, Corals, Sea Level Change, Ocean Deposits, Oceanic Hazards, Tsunami & Cyclone.

1. A reef separated from the mainland or inland shore by a deep lagoon is known as (SEPT 2013)

(1) Fringing reef
(2) Atoll reef
(3) Barrier reef
(4) Patch reef

2. Radiolarian oozes are (SEPT 2013)

(1) Terrigenous deposits
(2) Neritic deposits
(3) Pelagic deposits
(4) Littoral deposits

3. Match List-I with List-II and choose the correct answer using the codes given below (SEPT 2013)

Codes

(1) A–III, B–I, C–II, D–IV
(2) A–I, B–II, C–III, D–IV
(3) A–IV, B–I, C–III, D–II
(4) A–II, B–I, C–III, D–IV

4. The following question has two sets of statements, one labelled as Assertion (A) and the other labelled as Reason (R) (SEPT 2013)

Assertion (A): Western coast of Europe (UK) and Labrador (North America) are in the same latitude, but the western coast of Europe remains unfrozen and Labrador remains frozen for nine months.

Reason (R): Gulf Stream is a warm current and Labrador Current is a cold current.

Codes

(1) Both (A) and (R) are true and (R) is not the correct explanation of (A)
(2) Both (A) and (R) are true and (R) is the correct explanation of (A)
(3) (A) is true, but (R) is false
(4) (A) is false, but (R) is true

5. Global change in sea level is caused by (SEPT 2013)

(1) Eustatic change
(2) Isostatic change
(3) Climatic change
(4) Diastrophism

6. Which among the following has postulated the Subsidence Theory related to coral reef? (DEC 2013)

(1) Daly
(2) Agassiz
(3) Darwin
(4) Davis

7. Match List-I with List-II and select the correct answer using the codes given below (DEC 2013)

Codes

(1) A–II, B–I, C–III, D–IV
(2) A–I, B–II, C–III, D–IV
(3) A–III, B–IV, C–I, D–II
(4) A–IV, B–III, C–II, D–I

8. Match List-I with List-II and select the correct answer using the codes given below (DEC 2013)

Codes

(1) A–II, B–III, C–I, D–IV
(2) A–I, B–II, C–IV, D–III
(3) A–III, B–I, C–II, D–IV
(4) A–IV, B–III, C–I, D–II

9. Cold dry wind experienced particularly in winter along the eastern coast of the Atlantic Ocean and in northern Italy is called (DEC 2013)

(1) Cyclone
(2) Bora
(3) Tornado
(4) Hurricane

10. If a tide occurs at a place at 6 pm, when will the next tide occur? (DEC 2013)

(1) 00.13 am of the next day
(2) 06.26 am of the next day
(3) 12.39 pm of the next day
(4) 06.52 pm of the next day