i. Adolescents should be careful about what they eat, because proper diet is needed for the rapid growth taking place in their body.
ii. Reproductive age in women starts when their menstruation starts.
iii. The right meal for adolescents consists of chapati, dal, vegetables.
iv. The period of transition between childhood and adulthood is known as adolescence.
v. Adolescents are also called ‘teenagers’.
vi. Menstrual cycle is controlled by hormones.
vii. Sebaceous glands secrete an oily substance.
viii. Metamorphosis in insects is controlled by insect hormones.
ix. The onset of puberty and maturity of reproductive parts are controlled by hormones.
x. Early marriage and motherhood cause health problems in the mother and the child.
xi. Puberty ends when an adolescent reaches reproductive maturity.
i. Adrenaline is a hormone released from the adrenal glands. True
ii. Adolescence is a period of much activity in the body and mind which is a normal part of growing up. True
iii. Once puberty is reached in girls, ovaries begin to produce the female hormone or testosterone. False
iv. Growing up is a natural process. True
v. Thyroid gland produces insulin hormone. False
Ans. AIDS is caused by a dangerous virus, HIV.
Ans. Sperm decides the sex of the child.
Ans. A goiter is an abnormal enlargement of thyroid gland.
Ans. Deficiency of insulin hormone in the body causes diabetes.
Ans. Boys develop broader shoulders and wider chests during puberty.
Ans. The larynx is another name for the voice box.
Ans. Pituitary, Testes, Ovaries, Thyroid, Pancreas and Adrenals
Ans. For infants, mother’s milk provides all the nourishment that they need.
Ans. Estrogen is the female sex hormone released by ovaries.
Ans. Testosterone is the male sex hormone released by the testes.
Ans. Pituitary gland controls sex hormones.
Ans. Pituitary gland is an endocrine gland attached to the brain.
Ans. Pituitary gland secretes growth hormone.
Ans. Thyroxine production requires the presence of iodine.
Ans. Main symptom of goitre include very big and bulging throat.
Ans. Goitre is caused by deficiency of thyroxine hormone in the body.
Ans. Pancreas secretes insulin hormone.
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