$A$ : Lack of menstruation may be indicative of pregnancy.
$R$ : Menstruation only occurs if the released ovum is fertilised.

  • A

    Assertion and Reason both are correct and  also correct explantion.

  • 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.

Similar Questions

Why the testes are situated in the scrotum, which is located outside the abdominal cavity ?

Which of the following is not correct for gastrulation

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  • [AIIMS 1998]

Read the following paragraph with two blanks : Each testis has about $A$ compartments called as testicular lobules. Each lobule contains $B$ highly coiled seminiferous tubules in which the sperms are produced. The correct option for the two blanks is

$A$ $B$