AIIMS 2015 Biology Question Paper for free online practice with solutions

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Question : 54 of 60

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Assertion (A) : Secondary growth in dicot roots occur with the help of vascular cambium and phellogen.
Reason (R) : Vascular cambium is formed from conjuctive parenchyma and part of pericycle.

If both Assertion and Reason are true and Reason is correct explanation of Assertion.
If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
If Assertion is true but Reason is false.
If both Assertion and Reason and false.

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