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: Ecology is basically concerned with three levels of biological organization - organisms, populations \( \& \) communities.

Statement-II: The salt concentration (measured as salinity in parts per thousand), is less than 5 in inland waters, 30-35 in the sea and \( 100 \) in some hypersaline lagoons.
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