CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III): Questions 151 - 155 of 376

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Question number: 151

» Water Chemistry » Chemistry of Water

Appeared in Year: 2009

MCQ▾

Question

The pair of molecules forming strongest intermolecular hydrogen bonds are – (December)

Choices

Choice (4) Response
a.

HCOOHandCH3COOH

b.

H2OandH2

c.

CH3COCH3andCHCl3

d.

SiH4andSiF6

Question number: 152

» Ecology and Evolution » Definition and Principles

Appeared in Year: 2015

MCQ▾

Question

Gause exclusion principle states that: (June)

Choices

Choice (4) Response
a.

Complete competitors cannot co-exist

b.

Symbionts evolve into complete competitors

c.

Complete competitors co-exist

d.

Complete competitors tend to co-exist

Question number: 153

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

Appeared in Year: 2015

MCQ▾

Question

Which of the following pairs of igneous rocks have the same mineral composition? – (June)

Choices

Choice (4) Response
a.

Granite-basalt

b.

Basalt-gabbro

c.

Pumic-basalt

d.

Andesite-rhyolite

Question number: 154

» Ecosystems » Ecosystem Types and Diversity

Appeared in Year: 2015

MCQ▾

Question

Maximum density shows a marked pattern as one move from equator to the poles. Species diversity (June)

Choices

Choice (4) Response
a.

Is highest in the arctic and Antarctic regions

b.

Decreases as one moves from equator to poles

c.

Increases as one moves towards the poles from the equator

d.

Remains constant as one move from equator to poles

Question number: 155

» Endangered and Threatened Species » Biodiversity and Conservation » Hotspots

Appeared in Year: 2015

MCQ▾

Question

Blue whale is placed under the category of (June)

Choices

Choice (4) Response
a.

Critically endangered species

b.

Endangered species

c.

Extinct species

d.

Vulnerable species

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