Introduction of Environmental Science-Ecosystem (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 3 of 3

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Question number: 1

» Introduction of Environmental Science » Ecosystem

Appeared in Year: 2015

MCQ▾

Question

The amount of energy at one trophic level divided by the amount of energy at the trophic level immediately below it is termed as: (June)

Choices

Choice (4) Response
a.

Production efficiency

b.

Trophic efficiency

c.

Consumption efficiency

d.

Assimilation efficiency

Question number: 2

» 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: 3

» Introduction of Environmental Science » Ecosystem

Appeared in Year: 2015

MCQ▾

Question

Biological communities in a stream vary based on:

(I) Water velocity

(II) Allochthonous material

(III) Size of the particle on the stream bed

(IV) Depth of the stream

Choose the correct answer: (June)

Choices

Choice (4) Response
a.

(I), (II), (III) and (IV)

b.

(I) and (II) only

c.

(I), (II) and (III) only

d.

(II), (III) and (IV) only

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