Q. Which of the following is not a secondary sexual character in girls? a) Broadening of shoulders b) Broadening of waist c) Change in voice d) Growth of pubic hair (v) All of these

How many chromosome are present in human cell? How many of them are sex chromosomes.

Which hormone maintains the correct salt balance in blood?

____________ is also called as the female hormone.

The following table shows data regarding height increase in boys and girls. What conclusions can you draw from this?

Name the male hormone and which gland secretes it?

Diabetes is caused by the deficiency of __________. This hormone is release by _______.

A girl should not be allowed to work in the kitchen during menstruation. MYTH or FACT?

What is shown in the given picture? What is the reason behind it?

Reproductive age in women starts when their (i) menstruation starts. (ii) breasts start developing. (iii) body weight increases. (iv) height increases. (v) All of these

Define puberty.

Which gland is called as the master gland.

Puberty is all about physical changes in both male and female. True or false?