Ecosystems [NTA-NET (UGC-NET) Environmental Science (89)]: Questions 1 - 5 of 196

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Question 1

Appeared in Year: 2017

Question MCQ▾

A structure with hundreds of species non-linearly interlinked for their livelyhood is called:

Choices

Choice (4)Response

a.

Guild

b.

Pyramid

c.

Food chain

d.

Food web

Edit

Question 2

Appeared in Year: 2018

Question MCQ▾

Ratio of energy transfer at different trophic levels in the food chain is called: (July)

Choices

Choice (4)Response

a.

Ecological efficiency

b.

Metabolic efficiency

c.

Food chain complexity

d.

Energy flow rate

Edit

Question 3

Appeared in Year: 2017

Question MCQ▾

As the number of species in a food web increases (January)

Choices

Choice (4)Response

a.

Food chain length tends to increase.

b.

System tends to be unstable.

c.

Energy flow decreases.

d.

System tends to collapse completely.

Edit

Question 4

Appeared in Year: 2017

Question MCQ▾

The point at which the light intensity is just enough to produce energy by photosynthesis which equal to the energy used in respiration is called (January)

Choices

Choice (4)Response

a.

Regulatory point

b.

Compensation point

c.

Complementary point

d.

Equal point

Edit

Question 5

Appeared in Year: 2017

Question MCQ▾

C4 plants are commonly found in (January)

Choices

Choice (4)Response

a.

Humid and low temperature environment

b.

Semi-humid and rainy environment

c.

Arid and hot environment

d.

Temperature environment

Edit