Ecosystems [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 21 - 25 of 196

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Question 21

Appeared in Year: 2011

Question MCQ▾

The amount of biomass which can be sustained under steady state condition of an ecosystem is termed as – (December)

Choices

Choice (4)Response

a.

Primary productivity

b.

Carrying capacity

c.

Sustainable yield

d.

System homeostasis

Edit

Question 22

Appeared in Year: 2017

Question MCQ▾

Which of the following can be used for valuing environmental amenities? (January)

a. Hedonic pricing

b. Travel cost

c. Contingent valuation

Choose the correct code:

Choices

Choice (4)Response

a.

a

b.

c

c.

b

d.

All a., b. and c. are correct

Edit

Question 23

Appeared in Year: 2017

Question MCQ▾

Ecosystem restoration deals with restoring:

Choices

Choice (4)Response

a.

Physical environment

b.

Biodiversity

c.

Ecosystem integrity

d.

Ecosystem resistance

Edit

Question 24

Appeared in Year: 2018

Question MCQ▾

Zone of rapid changes in density in oceans is known as

Choices

Choice (4)Response

a.

Stenocline

b.

Pycnocline

c.

Halocline

d.

Pseudo-congruence

Edit

Question 25

Appeared in Year: 2018

Question MCQ▾

The nature of food web at the developmental stage of a succession is: (July)

Choices

Choice (4)Response

a.

Web like, predominantly grazing

b.

Linear, predominantly detritus

c.

Web like, predominantly detritus

d.

Linear, predominantly grazing

Edit