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In each of the following questions, a
statement of Assertion is given by the corresponding statement of Reason. Of the statements, mark the correct answer as
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
(c) If Assertion is true, but Reason is false
(d) If Assertion is false, but Reason is true
(e) If Assertion and Reason both are false
Assertion Light is the primary source of energy in nearly all ecosystems.
Reason Light is used by autotrophs to synthesise their food.

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