Practicing Success
Read the passage and answer the following questions: |
Assertion A: Endometrium is necessary for implantation of blastocyst. Reason R: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
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Both A and R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A and R are true and R is the correct explanation of A. |
Both A and R are true but R is not the correct explanation of A. |
The correct answer is Option (1)- Both A and R are true but R is not the correct explanation of A. Assertion is true. The endometrium is the inner lining of the uterus that is necessary for the implantation of a fertilized egg, or blastocyst, during pregnancy. Reason is true : In the absence of fertilization, the corpus luteum degenerates and stops producing hormones, which can cause disintegration of the endometrium and the shedding of the uterine lining during menstruation. The reproductive cycle in the female primates (e.g. monkeys, apes and human beings) is called menstrual cycle. The first menstruation begins at puberty and is called menarche. In human females, menstruation is repeated at an average interval of about 28/29 days, and the cycle of events starting from one menstruation till the next one is called the menstrual cycle.
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