(1) What is puberty?
(2)How voice changes in adolescents?
(3)What are ductless glands?
(4)Write shot notes on
(i) Pituitary gland
(ii) Target site
(5) Write the difference between menarche and menopause.
(6) List the hormones and their secretion gland.
(7) Fill in the blanks
(i) Thyroid gland produces _____ hormone.
(ii) All human have ____ pair of chromosomes.
(iii) Testosterone hormone is a a______hormone.
(8)Write short note on personal hygiene of adolescents.
(9) Match the items of group A with items of group b.
Group A Group B
(i) Female chromosomes 10 – 12 years
(ii)Duct gland X
(iii) Menstruation cycle begin sweat gland
(10) What will happen if water of pond in which tadpoles are growing does not contain iodine?