OCEANOGRAPHY PYQS 2021 UGC NET FREE MOCK TEST

Q.1. In which one of the following water bodies the salinity is lowest (NTA UGC NET DEC 2020 JUNE 2021)

(1) Great Salt Lake

(2) Dead sea

(3) Lake Van

(4) Gulf of Karabugas

Q.2. Given below are two statements: One is labelled as Assertion A and the other in labelled as (NTA UGC NET DEC 2020 JUNE 2021)

Assertion (A): At greater ocean depths; water moves extremely slow and maintains a uniform low temperature

Reasons (R): The oceanic surface returns heat and water to the lower atmosphere.

In the light of the above statements, choose the most appropriate answer from the options given below:

(1) Both (A) and (R) are correct and (R) in the correct explanation of (A)

(2) Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)

(3) (A) in correct but (R) is not correct

(4) (A) is not correct but (R) is correct

Q.3. Which one of the following is the correct sequence of oceanic currents of Northern Pacific Ocean (NTA UGC NET DEC 2020 JUNE 2021)

(A) West wind drift

(B) North Equatorial current

(C) Kuroshio current

(D) California current

Choose the correct answer from the options given below:

(1) (A), (B), (C), (D)

(2) (C), (D), (B), (A)

(3) (B), (C), (A), (D)

(4) (D), (A), (B), (C)

Q.4. Belize barrier reef is located between: (NTA UGC NET DEC 2020 JUNE 2021)

(1) Mexico and Cuba

(2) Jamaica and Honduras

(3) Mexico and Guatemala

(4) Mexico and Bahamas

Q.5. What is the total duration of time required to complete the two cycles of high and low tides at any place? (NTA UGC NET DEC 2020 JUNE 2021)

(1) 24 hours

(2) 12 hours

(3) Less than 12 hours

(4) More than 24 hours

Q.6. Match List I with List II: (NTA UGC NET DEC 2020 JUNE 2021)

List I

(Theories of origin of tides)

(A) Equilibrium Theory

(B) Dynamical Theory

(C) Progressive wave Theory

(D) Stationary wave Theory

List II

(Propounded by)

(I) Newton

(II) Laplace

(III) Whewell

(IV) Harris

Choose the correct answer from the options given below:

            (A)       (B)       (C)       (D)

(1)        IV        III        II         I

(2)        III        II         IV        I

(3)        II         IV        I           III

(4)        I           II         III        IV

Q.7. Which one of the following are methods of load movement of sediment transportation in Ocean? (NTA UGC NET DEC 2020 JUNE 2021)

(A) Traction

(B) Saltation

(C) Turbulent flow

(D) Flocculate

Choose the most appropriate answer from the options given below:

(1) (A) only

(2) (A), and (B) only

(3) (A), (B) and (C) only

(4) (B), (C) and (D) only

Q.8. Which one of the following statements are correct? (NTA UGC NET DEC 2020 JUNE 2021)

(A) Ocean currents provide a high degree of regulation to the thermal environments of the earth's surface

(B) On a local scale, warm water currents bring moderating influence to coasts in arctic latitudes

(C) Cold currents are not able to bring down the temperature of tropical deserts

(D) Density differences may also cause flow of ocean water

Choose the correct answer from the options given below:

(1) (A), (C) and (D) only

(2) (A), (B) and (D) only

(3) (B), (C) and (D) only

(4) (A), (B) and (C) only

Q.9. The process of evaporation in ocean water is affected by (NTA UGC NET DEC 2020 JUNE 2021)

(A) salinity

(B) latitude

(C) season

(D) winds

Choose the most appropriate answer from the options given below:

(1) (A) and (B) only

(2) (B) and (C) only

(3) (B), (C) and (D) only

(4) (A), (B), (C) and (D)

Q.10. Which of the following statements are correct about vertical distribution of temperature in oceans (NTA UGC NET DEC 2020 JUNE 2021)

(A) The sun rays have no effect below 600 feet

(B) Inspite of movement of water, large part of sea in relatively cold

(C) 80% of water in the oceans has a temperature permanently below 40°F

(D) The vertical rate of decrease in temperature from equator to pole is the same

Choose the most appropriate answer from the options given below:

(1) (A), (B) and (C) only

(2) (B), (C) and (D) only

(3) (C) and (D) only

(4) (A) and (D) only

Q.11. The sea plains are almost absent between: (NTA UGC NET DEC 2020 JUNE 2021)

(1) 20°S-30°S Latitudes

(2) 60°S-70°S Latitudes

(3) 40°S-50°S Latitudes

(4) 30°S-40°S Latitudes

Q.12. Which one of the following is vastly absorbed by the ocean surface? (NTA UGC NET DEC 2020 JUNE 2021)

(1) Visible wave radiation

(2) Medium wave radiation

(3) long wave radiation

(4) Ultra-violet wave radiation

Q.13. Which of the following statements are correct about sea water (NTA UGC NET DEC 2020 JUNE 2021)

(A) The density of sea water depends upon temperature, pressure and salinity

(B) Convergence of water has no effect on density

(C) The thermal expansion of water varies with the increase and decrease of temperature

(D) In the middle latitudes, due to an excess of precipitation the density is higher

Choose the correct answer from the options given below:

(1) (A) and (D) only

(2) (A) and (C) only

(3) (B) and (C) only

(4) (C) and (D) only

Q.14. Which one of the following exert maximum tide producing force on the ocean water? (NTA UGC NET DEC 2020 JUNE 2021)

(1) Sun

(2) Moon

(3) Venus

(4) Mars

Q.15. Match List I with List II (NTA UGC NET DEC 2020 JUNE 2021)

List I

Relief Features

(A) Puerto Rico deep

(B) Sunda Trench

(C) Philippine trench

(D) Point Barrow

Last II

Name of Oceans

(1) Pacific Ocean

(II) Atlantic Ocean

(III) Indian Ocean

(IV) Arctic Ocean

Choose the correct answer from the options given below:

            (A)       (B)       (C)       (D)

(1)        I           II         III        IV

(2)        IV        III        II         I

(3)        II         III        I           IV

(4)        III        IV        I           II

Q.16. Arrange the four Indian oceanic relief features in order of their location from north to south direction (NTA UGC NET DEC 2020 JUNE 2021)

(A) Laccadive-Chagos ridge

(B) Chagos-Saint Paul ridge

(C) Amsterdam-St. Paul Plateau

(D) Korgelen - Gaussberg ridge

Choose the correct answer from the options given below:

(1) (D), (C), (B), (A)

(2) (C), (B), (A), (D)

(3) (A), (B), (C), (D)

(4) (B), (C), (A), (D)