Assertion :Chlorella and Spirulina are used as a food supplement by space travellers. Reason: Chlorella and Spirulina are unicellular algae.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Unicellular algae Chlorella and Spirulina are rich in proteins and hence used as a food supplement by space travellers.
So both the assertion and reason are correct, but reason is not the correct explanation for assertion.

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