NTA UGC NET/JRF Exam, Dec., 2021/June, 2022 Geography

Total Questions: 100

41. A regressive population age structure is likely to be encountered in a country:

Correct Answer: (a) which has completed the demographic transition
Solution:

A regressive Population age structure is likely to be encountered in a country which has completed the demographic transition is a trend of declining birth and death rates, resulting in substantive change in the age distribution of a population and leads to population ageing also.

42. Which of the following statements is/are correct?

(A) The BOD (Biological Oxygen Demand) of sewage water is very high
(B) The aerobic organisms rapidly increase in sewage water due to low content of dissolved oxygen
(C) Ecology is the study of interrelationship between the organisms and their physical environment
(D) Parasites are those organisms, which do not depend on other living organisms for their food
Choose the correct answer from the options given below:

Correct Answer: (c) (A) and (C) only
Solution:

The BOD (Biological Oxygen Demand) of sewage water is very high. Ecology is the study of interrelationship between the organisms and their physical environment. A parasite is an organism that lives on or in a host organism and gets its food from or at the expense of its host. BOD is the amount of oxygen needed or demanded by aerobic microorgaisms to break down the organic matter present in a certain sample of water at a specefic temperature and over a given time period.

43. Which of the following is/are not the cause/causes of floods in Brahmaputra river system?

(A) Tributaries of Brahmaputra bring huge quantity of water and slit, heavy deposit of silt has raised the river bed
(B) Faulty agricultural practices
(C) Occasional earthquakes have brought about changes in the course of river
(D) Broadness of the Brahmaputra Valley
(E) Very high population pressure has forced the population to live in the flood prone area Choose the correct answer from the options given below:

Correct Answer: (c) (B) and (D) only
Solution:

Following are not the causes of bloods in Brahmaputra river system:-
• Faulty agricultural practices.
• Broadness of Brahmaputra Valley.
Rest others are reasons of flood.

44. Which of the following pairs are correctly matched?

Correct Answer: (d) (C) and (E) only
Solution:

45. Given below are two statements :

Statement I : Digital Elevation Model (DEM) is a raster format
Statement II : All pixels are of different shape and size in DEM
In the light of the above statements, choose the correct answer from the options given below

Correct Answer: (c) Statement I is true but Statement II is false
Solution:

Statement I is true but Statement II is false. Digital Elevation Model (DEM) is a raster format. All Pixels are of different shape and size in DEM is false because in a raster format every pixel have same shape and size.

46. Two of the following ocean current are responsible for reducing the temperature of bordering coastal zones :

(A) Benguela current
(B) Kurosiwo current
(C) Brazil current
(D) Canaries current
(E) Gulf stream
Choose the correct answer from the options given below:

Correct Answer: (c) (A) and (D) only
Solution:

Two of the following ocean current are responsible for reducing the temperature of bordering coastal zones is Benguela current and Canaries current as they are cold water current. Benguela current is on west coast of Africa and canaries are part of the North Atlantic Gyre flows along the North western coast of Africa.
* Kurosiwo (Pacific ocean), Brazil (Atlantic ocean), Gulf stream (Atlantic ocean) currents are warm currents.

47. Which one of the following local wind is Katabatic wind?

Correct Answer: (d) Mistral
Solution:Note-: Both (c) and (D) option are katabatic winds So, UGC Drop this question.

48. Which agency is associated with IKONOS remote sensing data?

Correct Answer: (a) Digital Globe
Solution:

Digital Globe agency is associated with IKONOS remote sensing data. IKONOS Satellite sensor was successfully launched as the first commercially available high-resolution satellite sensor in 1999 at California, USA.

49. Arrange the following continents of the world in descending order on the basis of current population density (persons per km²):

(A) Asia             (B) North America
(C) Africa          (D) Europе
Choose the correct answer from the options given below:

Correct Answer: (b) (A), (C), (D), (B)
Solution:

The following continents of the world in descending order on the basis of current population density (persons per km²) is Asia > Africa > Europe > North America.
Continent wise density of population

ContinentInhabitants/km²
Asia150
Africa47.2
Europe33.7
Latin America & Caribbean32..4
Northern America20.1
Oceania5.2

50. Match List I with List II:

List–IIron and Steel PlantList–IISource of Iron Ore
(A)TISCO, Jamshedpur(I)Kemmangundi mines
(B)VISL, Bhadravati(II)Noamundi, Gurumahisani mines
(C)HSL, Bhilai(III)Kiriburu mines
(D)BSL, Bokaro(IV)Dalli-Rajhara range

Choose the correct answer from the options given beow:

Correct Answer: (c) (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
Solution: