Reaching the Age of Adolescence (Parctice Sheet, Class 8)

(1) What is puberty?

Solution-

(2)How voice changes in adolescents?

Solution-

(3)What are ductless glands?

Solution-

(4)Write shot notes on

(i) Pituitary gland

(ii) Target site

Solution-

(5) Write the difference between menarche and menopause.

Solution-

(6) List the hormones and their secretion gland.

Solution-

(7) Fill in the blanks

(i) Thyroid gland produces _____ hormone.

(ii) All human have ____ pair of chromosomes.

(iii) Testosterone hormone is a a______hormone.

Solution-

(8)Write short note on personal hygiene of adolescents.

Solution-

(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

Solution-

(10) What will happen if water of pond in which tadpoles are growing does not contain iodine?

Solution-

Helping Topics

Reaching the age of adolescence

NCERT Solutions, class 8

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