MEDIUM
NEET
IMPORTANT
Earn 100

Identify the correct statement(s) with respect to the role of predators in ecosystem.

A. Transfer of energy across trophic level.
B. Keeping prey population under control.
C. Maintain species diversity in a community.

56.92% studentsanswered this correctly

Important Questions on Organisms and Populations

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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 31
Which of the following interaction between species explains the conduit for energy transfer across the trophic levels?
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 32
A species whose distribution is restricted to small geographical area due to the presence of a comparatively superior species expands its distribution when the competing species is experimentally removed. This phenomenon is called
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 33
The close association of cattle egret and grazing cattle is an example of
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 34

How many of the following shows "+", "-" interaction?

(a) Fig and wasp

(b) Cuckoo (koel) and the crow

(c) Sparrow and seeds

(d) Tiger and deer

(e) Orchid on mango tree

(f) Plasmodium and human

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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 35
In which of the following interactions both partners are adversely affected 
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 36
In the exponential growth equation Nt=N0ert, e, represents:
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 37
Many fishes of freshwater can’t live in seawater and vice versa because of
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Biology Crash Course NEET>Chapter 35 - Organisms and Populations>Level 1>Q 38
An example of species–specific coevolution is