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Question : Assertion (A): The pyramid of number in a parasite ecosystem is always upright. Reason (R) : It starts with a grassland.

Answer»

 Assertion is true and REASON is correct EXPLANATION of Assertion, 
Assertion and Reason is true but Reason is not correct explanation of Assertion.
Assertion is true and Reason is FALSE
Both Assertion and Reason are false. 

Answer :D


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