Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Stratus clouds are typically puffy and form by convection.~!

A. True
B. False
Answer» C.
2.

The relative humidity is often near 100 percent in the Polar Regions.~!

A. True
B. False
Answer» B. False
3.

The relative humidity is often near 100 percent in the Polar Regions.~!

A. True
B. False
Answer» B. False
4.

Heat waves are generally considered to be little more than a nuisance and are not responsible for considerable loss of life.~!

A. True
B. False
Answer» C.
5.

To protect fruit trees from frost, it is important to keep the air as still as possible.%!

A. True
B. False
Answer» C.
6.

The horizontal extent of the ozone hole can sometimes exceed the size of the Antarctic continent.%!

A. True
B. False
Answer» B. False
7.

Carbon dioxide is a naturally-occurring component of the atmosphere.%!

A. True
B. False
Answer» B. False
8.

The dew point temperature is a measure of the total amount of water vapor in the air.%!

A. True
B. False
Answer» B. False
9.

Suppose two unsaturated air masses mix horizontally. The resulting mixture cannot possibly be saturated.%!

A. True
B. False
Answer» C.
10.

In the northern hemisphere, north-facing hillsides have a ____ growing season than south-facing hillsides.%!

A. Shorter
B. Longer
Answer» B. Longer
11.

Fog is a major hazard to aviation.%!

A. True
B. False
Answer» B. False
12.

Fog is a major hazard to aviation.

A. True
B. False
Answer» B. False
13.

The geographical pattern of average air temperature near sea level is ____ homogeneous in the southern hemisphere as compared to the northern hemisphere.

A. Less
B. More
Answer» C.
14.

A red shirt

A. Selectively absorbs red wavelenghts of visible light and scatters the rest
B. Selectively scatters red wavelenghts of visible light and absorbs the rest
Answer» C.
15.

A red shirt%!

A. Selectively absorbs red wavelenghts of visible light and scatters the rest
B. Selectively scatters red wavelenghts of visible light and absorbs the rest
Answer» C.
16.

_________ is an In-site conservation method.%!

A. National parks
B. Forests
C. Zoo
D. Parks
Answer» B. Forests
17.

_________ is an In-site conservation method.

A. National parks
B. Forests
C. Zoo
D. Parks
Answer» B. Forests
18.

All are insitu conservation efforts except%!

A. National parks
B. Sanctuaries
C. Zoo
D. biosphere reserves
Answer» D. biosphere reserves
19.

The famous Minamata disease in Japan is due to the accumulation of____________in fishes%!

A. Cadmium
B. Mercury
C. Zinc
D. Lead
Answer» C. Zinc
20.

Succession initiated on large sand deposits or deserts is called%!

A. Hydrosere
B. Psammosere
C. Xerosere
D. Oxylosere
Answer» C. Xerosere
21.

Succession initiated on large sand deposits or deserts is called%!

A. Hydrosere
B. Psammosere
C. Xerosere
D. Oxylosere
Answer» C. Xerosere
22.

The drug morphine is extracted from _______ plant

A. Cocoa
B. Belladonna
C. Opium Poppy
D. Tannin
Answer» D. Tannin
23.

In the northern hemisphere, a solar panel should be placed on the side of the roof facing:

A. East
B. West
C. North
D. South
Answer» E.
24.

All oil traps contain

A. an impermeable layer
B. an anticline
C. a fault
D. syncline
Answer» B. an anticline
25.

All oil traps contain%!

A. an impermeable layer
B. an anticline
C. a fault
D. syncline
Answer» B. an anticline
26.

Trophic levels are formed by%!

A. Only plants
B. only animals
C. Only carnivorous
D. Organisms linked in food chain
Answer» E.
27.

More solar radiation is received at the:%!

A. Earth
B. Top of the atmosphere
C. North and south poles
Answer» C. North and south poles
28.

Trophic levels are formed by

A. Only plants
B. only animals
C. Only carnivorous
D. Organisms linked in food chain
Answer» E.
29.

More solar radiation is received at the:%!

A. Earth
B. Top of the atmosphere
C. North and south poles
Answer» C. North and south poles
30.

What is meant by root zone process?%!

A. A control measure to prevent water pollution
B. A process by which roots of plants are spread on the ground
C. A control measure to prevent soil pollution
D. None of these
Answer» B. A process by which roots of plants are spread on the ground
31.

What is meant by root zone process?%!

A. A control measure to prevent water pollution
B. A process by which roots of plants are spread on the ground
C. A control measure to prevent soil pollution
D. None of these
Answer» B. A process by which roots of plants are spread on the ground
32.

At any given time, ______ of the earth is illuminated by the sun.%!

A. One-fourth
B. One-third
C. One-half
D. Two-thirds
Answer» D. Two-thirds
33.

The destruction of the forest areas by man made efforts is called%!

A. Afforestation
B. Deforestation
C. Non-forestation
D. Bio forestation
Answer» C. Non-forestation
34.

At any given time, ______ of the earth is illuminated by the sun.

A. One-fourth
B. One-third
C. One-half
D. Two-thirds
Answer» D. Two-thirds
35.

The destruction of the forest areas by man made efforts is called%!

A. Afforestation
B. Deforestation
C. Non-forestation
D. Bio forestation
Answer» C. Non-forestation
36.

Where cold surface air replaces warm air, the boundary separating the different bodies of air is:

A. A parallel of latitude
B. A tornado
C. A cold front
D. A warm front
Answer» B. A tornado
37.

The term "normal" refers to weather data averaged over:

A. At least a day.
B. Several months.
C. One year.
D. Thirty years.
Answer» E.
38.

Most harmful environmental pollutants are

A. natural nutrients in excess
B. human organic wastes
C. non-biodegradable chemicals
D. waste animal feed
Answer» D. waste animal feed
39.

The term "normal" refers to weather data averaged over:%!

A. At least a day.
B. Several months.
C. One year.
D. Thirty years.
Answer» E.
40.

Most harmful environmental pollutants are%!

A. natural nutrients in excess
B. human organic wastes
C. non-biodegradable chemicals
D. waste animal feed
Answer» D. waste animal feed
41.

Which of the following statements regarding species interdependence are true?A. An association of two species where one is benefitted and other remains unaffected called mutualismB. An interspecific association where both partners derive benefit from each other is called commensalismC. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predationD. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis%!

A. A and B only
B. C and D only
C. A and C only
D. B and C only
E. B and D only
Answer» D. B and C only
42.

Which of the following statements regarding species interdependence are true?A. An association of two species where one is benefitted and other remains unaffected called mutualismB. An interspecific association where both partners derive benefit from each other is called commensalismC. A direct food relation between two species of animals in which one animals kills and feed on another is referred as predationD. A relationship between two species of organism where both the partners are benefitted from each other is called symbiosis%!

A. A and B only
B. C and D only
C. A and C only
D. B and C only
E. B and D only
Answer» D. B and C only
43.

Thermal belts are usually found%!

A. On valley floors
B. On hillsides
C. On mountain tops
Answer» C. On mountain tops
44.

Thermal belts are usually found%!

A. On valley floors
B. On hillsides
C. On mountain tops
Answer» C. On mountain tops
45.

Many wild plant and animals are on the verge of extinction due to%!

A. Habitat destruction
B. Climatic changes
C. Non availability of food
D. None of the above
Answer» B. Climatic changes
46.

The earth's atmosphere is divided into layers based on the vertical profile of:%!

A. Air pressure
B. Air temperature
C. Air density
D. Wind speed
Answer» C. Air density
47.

Mobile combustion accounts%!

A. 10-20% of air pollution
B. 40-50% of air pollution
C. 50-60 % of air pollution
D. 5-10 % of air pollution
Answer» D. 5-10 % of air pollution
48.

The deadliest Tsunami in recorded history took place on%!

A. 26-Dec-2004
B. 26-Dec-2000
C. 15-Nov-1990
D. 15-Dec-1999
Answer» B. 26-Dec-2000
49.

In which year was "Project Tiger" launched?

A. 1973
B. 1964
C. 1998
D. 1970
Answer» B. 1964
50.

Ultraviolet radiation which is not lethal but harm to the organism is%!

A. 0.1 to 0.28
B. 0.28-0.32
C. 0.32-0.4
D. 0.4-0.5
Answer» C. 0.32-0.4