The onset of puberty and maturity of reproductive parts are controlled by hormones that become functional at adolescence.

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Solution

Pituitary hormones such as follicle stimulating hormone and luteinising hormones control the maturity of reproductive parts in both males and females at the onset of adolescence.

Also these pituitary hormones trigger the reproductive parts, testes and ovaries, to secrete testosterone and oestrogen respectively which marks the onset of puberty.

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Similar questions

Fill in the following blanks with suitable words :

(a) Sexual maturity is reached at___

(b) The changes which occur in boys and girls at puberty are brought about by various___

(d) The changes occurring in body and mind during adolescence are a natural part of___up.

(e) The features which help us to distinguish between a mature boy and a girl are called___sexual characteristics.

(f) The onset of puberty is controlled by___

(g) Menstrual cycle in women is controlled by___

(h) Each normal body cell in humans contains___pairs of chromosomes out of which___pair is of sex chromosomes.

(i) X and Y chromosomes are called___chromosomes.

(j) Early marriage and motherhood cause health problems in the___and the___

(k) The protective foods are___and___

(l) Thyroid and adrenals secrete their hormones when they receive instructions from___gland through its hormones.

(m) Metamorphosis in amphibians is brought about by___hormone.

Human body undergoes several changes during adolescence. These changes marks onset of puberty.

Statement 1: Adolescence marks the onset of puberty.
Statement 2: Puberty ends when an adolescent reaches reproductive maturity.

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