Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A):	Some aquatic ecosystems have inverted biomass pyramids.
Reason (R):	The pyramid of energy is also inverted in such ecosystems.

In the light of the above statements, choose the most appropriate answer from the options given below :

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.	Both (A) and (R) are False.

Assertion: Ecosystems with intermediate levels of productivity tend to have the most species.
Reason: The relationship between productivity and species richness is not linear.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

In the light of the above statements, choose the most appropriate answer from the options given below :

Assertion: The Amazon basin exhibits especially high productivity from roughly August through October - the period of the area's dry season.
Reason: Even in the tropics, there are variations in productivity over the course of the year.

1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but the reason is not the correct explanation of the assertion.
3. Assertion is true but reason is false.
4. Both assertion and reason are false

 In the light of the above statements, choose the most appropriate answer from the options given below:

In the light of the above statements, choose the most appropriate answer from the options given below:

In the light of the above statements, choose the most appropriate answer from the options given below: