the Age of Adolescence
Q1. Fill in the blanks.
Adolescents should be careful about what
they eat, because proper diet is needed for the rapid growth taking place in
Reproductive age in women starts when their
The right meal for adolescents consists of chapati,
The period of transition between childhood
and adulthood is known as adolescence.
Adolescents are also called ‘teenagers’.
Menstrual cycle is controlled by hormones.
glands secrete an oily substance.
Metamorphosis in insects is controlled by insect
The onset of puberty and maturity of reproductive
parts are controlled by hormones.
Early marriage and motherhood cause health
problems in the mother and the child.
Puberty ends when an adolescent reaches
Adrenaline is a hormone released from the
adrenal glands. True
Adolescence is a period of much activity in
the body and mind which is a normal part of growing up. True
Once puberty is reached in girls, ovaries
begin to produce the female hormone or testosterone. False
Growing up is a natural process. True
Thyroid gland produces insulin hormone. False
Q3. Name the hormone that regulates secondary sexual characters
Q4. Name the hormone that regulates secondary sexual characters
Q5. Which virus causes AIDS?
Ans. AIDS is caused by a dangerous virus, HIV.
Q6. Which of the two, sperm or egg cell (ovum), decides the sex
of the child?
the sex of the child.
Q7. What is goitre?
Ans. A goiter is an abnormal enlargement of thyroid
Q8. Which hormone deficiency in the body causes diabetes?
Ans. Deficiency of insulin hormone in the body causes
Q9. How do shoulders and chest change in boys during puberty?
Ans. Boys develop broader shoulders and wider chests
Q10. What is the other name of voice box?
Ans. The larynx is another name for the voice box.
Q11. Name some endocrine glands.
Ans. Pituitary, Testes, Ovaries, Thyroid, Pancreas and
Q12. What is the natural balanced food for infants?
Ans. For infants, mother’s milk provides all the
nourishment that they need.
Q13. Name the female sex hormone.
Ans. Estrogen is the female sex hormone released by
Q14. Name the male sex hormone.
Ans. Testosterone is the male sex hormone released by
Q15. What gland controls sex hormones?
Ans. Pituitary gland controls sex hormones.
Q16. Name the endocrine gland attached to the brain.
Ans. Pituitary gland is an endocrine gland attached to
Q17. Which endocrine gland secretes growth hormone?
Ans. Pituitary gland secretes growth hormone.
Q18. What element is needed for thyroxine production?
Ans. Thyroxine production requires the presence of
Q19. State the main symptom of goitre.
Ans. Main symptom of goitre include very big and
Q20. Which hormone deficiency in the body causes goitre?
Ans. Goitre is caused by deficiency of thyroxine
hormone in the body.
Q21. Which gland secretes insulin hormone?
Ans. Pancreas secretes insulin hormone.