CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 347 - 351 of 376

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Question number: 347

» Basics of Environmental Geosciences » Mineral Resources and Environment » Minerals and Population

Appeared in Year: 2011

MCQ▾

Question

As we go down the discontinuous Bowen’s reaction series (Olivine – Pyroxene – Amphibole – Biotite) the Na, K and Al ratio- (December)

Choices

Choice (4) Response
a.

Increases

b.

Decreases

c.

Constant

d. All of the above

Question number: 348

» Water Chemistry » Chemistry of Water

Appeared in Year: 2009

MCQ▾

Question

Following initiative under International efforts made to have household eco-friendly refrigerators: - (December)

Choices

Choice (4) Response
a.

Basal Convention

b.

CITES

c.

Montreal Protocol

d.

Kyoto Protocol

Question number: 349

» Statistical Analysis » Measurement and Distribution of Attributes

Appeared in Year: 2009

MCQ▾

Question

Stoke’s Law of Settling Velocity is represented by – (December)

Choices

Choice (4) Response
a.

V=1d

b.

V=cd

c.

Vd2

d.

Vd

Question number: 350

» Water » Types of Water Pollution

Appeared in Year: 2011

MCQ▾

Question

Which of the following steps can be used to raise the assimilative capacity of natural systems? - (December)

Choices

Choice (4) Response
a.

Avoid concentration of polluting industry at a particular place.

b.

Turn barren land into eutrophic system.

c. Question does not provide sufficient data or is vague
d. None of the above

Question number: 351

» Ecosystems » Food Chains

Appeared in Year: 2011

MCQ▾

Question

Which of the following is a correct sequence found in a grassland ecosystem? – (December)

Choices

Choice (4) Response
a.

Grasses → Diatoms → deer → dog

b.

Grasses → rabbit → wolves → tiger

c.

Grasses → snakes → deer → dog

d.

Trees → birds → hawks → wolves

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