CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 55 - 60 of 385

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Question number: 55

» Environmental Awareness » Ozone Depletion

Appeared in Year: 2015

MCQ▾

Question

The wavelengths that are most important in the context of stratospheric ozone depletion are- (December)

Choices

Choice (4) Response

a.

700 - 900nm

b.

400 - 700nm

c.

280 - 320nm

d.

> 900nm

Question number: 56

» Environmental Protection Act » Forest Conservation Act, 1980

Appeared in Year: 2015

MCQ▾

Question

Compensatory afforestation provisions are covered under the Environment Act names as: (June)

Choices

Choice (4) Response

a.

Environment Protection Act, 1986

b.

Indian Forest Act (Revised), 1982

c.

Forest Conservation Act, 1980

d.

Public Liability Insurance Act, 1981

Question number: 57

» Fundamentals of Environmental Chemistry » Unsaturated and Saturated Hydrocarbons

Appeared in Year: 2015

MCQ▾

Question

Consider the following four statement about benzo [a] pyrene: (December)

(1) It is a group 1 carcinogen

(2) It is a polycyclic aromatic hydrocarbon

(3) Its molecular formula is C20H12

(4) It has four benzene rings

Choices

Choice (4) Response

a.

(1), (2) and (3) only

b.

(1), (2), (3) and (4)

c.

(2), (3) and (4) only

d.

(1) and (2) only

Question number: 58

» Introduction of Environmental Science » Structure and Composition of Lithosphere

Appeared in Year: 2015

MCQ▾

Question

Which one of the following elements Contributes maximum to the earth crust by weight? (December)

Choices

Choice (4) Response

a.

Carbon

b.

Silicon

c.

Iron

d.

Oxygen

Question number: 59

» Introduction of Environmental Science » Ecosystem

Appeared in Year: 2015

MCQ▾

Question

Which of the following is not a detrivore? (December)

Choices

Choice (4) Response

a.

Hydrilla

b.

Earthworms

c.

Vultures.

d.

Insects

Question number: 60

» Soil » Soil Pollution Control

Appeared in Year: 2015

MCQ▾

Question

Traps for petroleum and natural gas formed by deformation such as folding and fracturing of rocks are known as: (June)

Choices

Choice (4) Response

a.

Stratigraphic traps

b.

Structural traps

c.

Reservoir traps

d.

Lithification traps

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