$A$ : Initial growth of pollen tube takes place on expenditure of food present in the stigma and style.
$R$ : Pollen tube travels intracellularly and chemotactically.

  • A

    Assertion and Reason both are correct and also correct explanation.

  • B

    Assertion and Reason both are correct but not explanation of assertion.

  • C

    Assertion is correct, but Reason is incorrect.

  • D

    Both Assertion and Reason are incorrect.

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  • [AIIMS 2000]

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