Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Biology

Which set is similar?

Mainly which type of hormones control the menstrual cycle in human beings?

Ovulation in the human female normally takes place during the menstrual cycle ______.

Withdrawal of which of the following hormones is the immediate cause of menstruation?

In the human female, menstruation can be deferred by the administration of ______.

Which one of the following is the correct matching of the events occurring during menstrual cycle?

Which one of the following is the most likely root cause why menstruation is not taking place in regularly cycling human female?

Menstruation is triggered by a sudden decline in the amount of hormone secreted by corpus luteum. Identify the hormone.

Level of which hormones are at their highest during the luteal phase (second half of the cycle) of the menstrual cycle?

Corpus luteum develops from ______.

Corpus luteum ______.

Mature Graafian follicle is generally present in the ovary of a healthy human female around stet ______.

Which one of the following statements is incorrect about menstruation?

From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs ______.

STD/VD/UTI are ______.

If a hybrid expresses a character, is it called ______.

The allele which is unable to express its effect in the presence of another is called ______.

An allele is dominant if it is expressed in ______.

Which one of the following events is correctly matched with the time period in a normal menstrual cycle?

A human female reaches menopause aroung the age of ______.