Assertion :Shallow water rooted plants are called phytoplankton Reason: They are the dominant producers in shallow waters

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is D Both Assertion and Reason are incorrect
Phytoplanktons are microscopic plants suspended in water. They do not show differentiation into roots and shoots. Shallow water rooted plants are generally submerged hydrophytes which are not major producers in shallow waters.
So, the correct answer is option D, both assertion and reason are incorrect.

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