CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 27 - 32 of 376

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Question number: 27

» Energy Resources » Air and Thermal Pollution

Appeared in Year: 2015

MCQ▾

Question

The shape of a plume from a tall stack located on a flat terrain is found to be of “fanning” type. It implies that the atmosphere is under the condition of: (December)

Choices

Choice (4) Response

a.

Strong lapse rate

b.

Weak lapse rate below inversion

c.

Weak lapse rate

d.

Inversion

Question number: 28

» Basics of Environmental Geosciences » Water Resources and Environment » Resources of Oceans

Appeared in Year: 2015

MCQ▾

Question

Coral reefs are mainly distributed globally in: (June)

Choices

Choice (4) Response

a.

Arctic waters

b.

Temperate waters

c.

Antarctic waters

d.

Tropical waters

Question number: 29

» Ecosystems » Ecosystem Types and Diversity

Appeared in Year: 2015

MCQ▾

Question

Tropical grasslands with scattered trees are also known as (December)

Choices

Choice (4) Response

a.

Taigas

b.

Savannas

c.

Meadows

d.

Steppe

Question number: 30

» Endangered and Threatened Species » Biodiversity and Conservation » National Parks and Sanctuaries

Appeared in Year: 2015

MCQ▾

Question

Species diversity show a marked pattern as one moves from equator to the poles. Species (June)

Choices

Choice (4) Response

a.

Decreases as one moves from equator to poles

b.

Increases as one moves towards the poles from the equator

c.

Is highest in the arctic and Antarctic regions

d.

Remains constant as one moves from equator to poles

Question number: 31

» Basics of Environmental Geosciences » Earth's Processes and Geological Hazards » Earths Processes

Appeared in Year: 2015

MCQ▾

Question

Which of the following gases has the lowest residence time? (December)

Choices

Choice (4) Response

a.

CO2

b.

CH4

c.

CFCs

d.

N2O

Question number: 32

» Water Chemistry » Redox Potential

Appeared in Year: 2015

MCQ▾

Question

Corrosion normally occurs when an electrochemical cell is set up on a metal surface. The corroded area is: (June)

Choices

Choice (4) Response

a.

Electrolyte

b.

Anode

c.

Cathode

d.

Entire metal surface

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