BotanyAssertion (A) : Walls of diatoms are indestructibleReason (R) : In diatoms walls are embedded with silica.

Assertion (A) : Walls of diatoms are indestructible
Reason (R) : In diatoms walls are embedded with silica.

  1. A

    Both A and R are correct and A is correct explaination of R.

  2. B

    Both A and R are correct but R is not correct explaination of A.

  3. C

    A is correct but R is incorrect

  4. D

    Both A & R are incorrect

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    Solution:

    Cell wall of diatoms contain cellulose and silica.

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