Directions: In the question two statements are given as statement-I and statement-II. Mark the c...

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Directions: In the question
two statements are given as statement-I and statement-II.
Mark the correct choice as:
(1) Both Statement-I and Statement-II are correct.
(2) Both Statement-I and Statement-II are incorrect.
(3) Statement-I is correct and Statement-II is incorrect.
(4) Statement-I is incorrect and Statement-II is correct.
Statement-I: The annual net primary productivity of the whole biosphere is approximately 170 million tons (dry weight) of organic matter.
Statement-II: A constant input of solar energy is the basic requirement for any ecosystem to function and sustain.
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