OCEANOGRAPHY PYQS 2019 UGC NET FREE MOCK TEST

Q.1. El Nino Southern Oscillation (Enso) is an (UGC NET JUNE 2019)

(1) Ocean process

(2) Atmospheric process

(3) Ocean-atmospheric process

(4) Ocean-atmosphere-land process

Q.2. In which frontal stage warm air uplifted and is cooled, condensed and precipitated? (UGC NET JUNE 2019)

(1) Stationary front

(2) Warm front

(3) Cold front

(4) Occluded front

Q.3. La Nina phenomenon is due to which of the following conditions? (UGC NET JUNE 2019)

(1) Air pressure dropping over central and eastern Pacific Ocean

(2) Weak high pressure system replacing normal pressure over western Pacific

(3) An abnormal accumulation of cold water in central and eastern Pacifc resulting into very strong trade winds

(4) The trade winds over the Pacific Ocean move strongly from west to east

Q.4. Ekman transport occurs in the (UGC NET JUNE 2019)

(1) Upper ocean

(2) Meso-pelagic layer

(3) Bathy- pelagic layer

(4) Ocean bottom

Q.5. Given below are two statement. One is labelled as Assertion (A) and the other is labelled as Reason (R) (UGC NET JUNE 2019)

Assertion (A): Higher salinity is found between 20⁰ – 40⁰ latitudes.

Reason (R): Salinity decrease from the mid latitudes to high latitudes.

Select the correct answer from the codes given below:

(1). Both (A) and (R) are true and (R) is the correct explanation of (A).

(2). Both (A) and (R) are true and (R) is not the correct explanation of (A).

(3). (A) is false, but (R) is true

(4). (A) is true, but (R) is false

Q.6. The densest sea water is the (UGC NET JUNE 2019)

(1) Arctic bottom water

(2) North Pacific bottom water

(3) Antarctic bottom Water

(4) North Atlantic deep water

Q.7. T-S diagram helps in determining the formation and extent of (UGC NET JUNE 2019)

(1) Ocean Currents

(2) Tidal waves

(3) Coral reefs

(4) Water masses

Q.8. A halocline refers to a significant change in (UGC NET JUNE 2019)

(1) Density

(2) Salinity

(3) Temperature

(4) Turbidity

Q.9. Match List-I with List-II (UGC NET JUNE 2019)

List-I

(Ocean Currents)

(a) Labrador

(b) Oyashio

(c) Canary

(d) Benguela

List-II

(Location)

(i) West Coast of Morocco

(ii) West Coast of South Africa

(iii) East Coast of Canada

(iv) East Coast of Korea

Choose the correct option from those given below:

(1). (a)- (i); (b)-(ii); (c)-(iii); (d)-(iv)

(2). (a)-(ii); (b)-(i); (c)-(iv); (d)-(iii)

(3). (a)-(iii); (b)-(iv); (c)-(i); (d)-(ii)

(4). (a)-(iv); (b)-(iii), (c)-(ii); (d)-(i)

Q.10. Match List-I with List-II (UGC NET JUNE 2019)

List-I

(Ocean Relief)

(a) Socotra-Chagos ridge

(b) Spitsbergen

(c) Mid-Atlantic ridge

(d) Cocos ridge

List-II

(Oceans)

(i) Arctic Ocean

(ii) Indian Ocean

(iii) Atlantic Ocean

(iv) Pacific Ocean

Choose the correct option from those given below:

(1). (a)- (i); (b)-(ii); (c)-(iii); (d)-(iv)

(2). (a)-(ii); (b)-(iii); (c)-(iv); (d)-(i)

(3). (a)-(iv); (b)-(iii); (c)-(i); (d)-(ii)

(4). (a)-(ii); (b)-(i), (c)-(iii); (d)-(iv)

Q.11. Which one of the following is a metrological hazard? (UGC NET JUNE 2019)

(1) Flood

(2) Land slide

(3) Avalanche

(4) Cloud burst

Q.12. Mount St. Helens is located in which part of the world? (UGC NET JUNE 2019)

(1) USA

(2) Java Sea

(3) Adaman Sea

(4) Aegean Sea

Q.13. In 1687, who was the scientist to give for the first time a rational explanation of tides and tide producing forces of the moon and the sun? (UGC NET DEC 2019)

(1) John Dalton

(2) Gregor Mendel

(3) Issac Newton

(4) Albert Einstein

Q.14. Which of the following is correct sequence from land to sea? (UGC NET DEC 2019)

(1) Continental Slope, Sea plain, Ocean deeps, Continental Shelf

(2) Continental Shelf, Continental Slope, Sea Plain, Ocean deeps

(3) Ocean Deeps, Sea plain, continental Slope, Continental Shelf

(4) Sea plain, Ocean deeps, continental Slope, continental Shelf

Q.15. Coastal and estuary waters are sometimes affected by algal foam and scum, often called (UGC NET DEC 2019)

(1) Red tides

(2) Red clay

(3) Red Soil

(4) Red waves

Q.16. The volcanic deposits on the ocean floor at a depth of 2,500 fathoms or more are known as: (UGC NET DEC 2019)

(1) Pelagic Deposits

(2) Red clay

(3) Calcareous ooze

(4) Radiarian Ooze

Q.17. Given below are two statements- one is labelled as Assertion (A) and the other is labelled as Reason (R). (UGC NET DEC 2019)

Assertion (A): Melting of floating icebergs will have a big impact on sea level

Reason (R): 90% of icebergs sink into sea water.

Select the correct answer from options given below:

(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

Q.18. 'Ria Coast' is an example of- (UGC NET DEC 2019)

(1) Neutral shoreline

(2) Compound shoreline

(3) Submerged upland shoreline

(4) Emerged upland shoreline

Q.19. Match List I with List II (UGC NET DEC 2019)

List I

(Isolines/points)

(a) Amphidromic point

(b) Isohaline

(c) Isobel

(d) Isohytes

List -II

(Description)

(i) Line of equal stream velocity

(ii) Places of equal rainfall

(iii) Places of equal salinity

(iv) The point of no tide

Choose the correct options from the following:

(1). (a)- (i), (b)- (iii), (c)-(iv), (d)-(ii)

(2). (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

(3). (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)

(4). (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

Q.20. At which one of the following temperatures is fresh water densest? (UGC NET DEC 2019)

(1) 0°C

(2) 4°C

(3) 100°C

(4) - 4°C