A functional unit of nature, where living organisms interact among themselves and also with the surrounding physical environment, is called as:
1.A population2.A species
3.A biological community4.An ecosystem
Subtopic:  Introduction |
 88%
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Physical structure of an ecosystem:
I: is same for all types of ecosystems.
II: is the result of interaction of biotic and abiotic components.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Introduction | ECOSYSTEM – STRUCTURE AND FUNCTION |
 65%
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Vertical distribution of different species occupying different levels in an ecosystem is called:
1. edge effect 2. ecotone
3. stratification 4. canopy structure
Subtopic:  Introduction |
 95%
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Consider the given two statements:
Assertion (A): Temperature is the most important abiotic factor affecting living organisms.
Reason (R): Temperature affects enzyme kinetics.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A)
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Introduction |
 85%
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