Reaching the age of adolescence Grade 8

Thyroxine is produced by

• Pituitary gland

• Adrenal gland

• Thyroid gland

• Testes

There are__ __ pairs of chromosome in human cell.

• 23

• 46

• 22

• 44

The reproductive phase of a woman lies between her _____ and menopause.

• menstrual cycle

• menstruation

• menarche

• ovulation

Which of the following can spread AIDS?

• Eating food with an infected person

• Hugging an infected person

• Transfusion of infected blood

• Mosquito bites

Stoppage of menstrual cycle in females is known as

• Menarche

• Ovulation

• Menopause

• Pregnancy

Deficiency of which hormone causes diabetes?

• Thyroxine

• Adrenaline

• Insulin

• Glucagon

Larynx is called

• Voice box

• Music box

• Respiratory organ

• None of these

The period of maturity of reproductive organs is called.

• Adolescene period

• Mensuration

• Gestation period

• None of these

The male hormone is

• Estragon

• Projestrone

• Testosterone

• All of these

Puberty in females begins at the age of _____.

• 11 to 13 years

• 16 to 18 years

• 14 to 16 years

• 18 to 21 years