Assertion :Sponges exhibit cellular level of organisation. Reason: In sponges, cells are arranged as loose cell aggregates.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
All members of Animalia are multicellular, but all of them do not exhibit the same pattern of organisation of cells. In sponges, the cells are arranged as loose cell aggregates, i.e., they exhibit cellular level of organisation.

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