Adolescents should be careful about what they eat, because

1

(a)

proper diet develops their brains.

(b)

proper diet is needed for the rapid growth taking place in their body.

(c)

adolescents feel hungry all the time.

(d)

taste buds are well developed in teenagers.

Reproductive age in women starts when their

1

(a)

menstruation starts

(b)

breasts start developing

(c)

body weight increases

(d)

height increases

The faulty functioning of an endocrine gland can make a person very short or very tall. This gland is

1

(a)

thyroid

(b)

pituitary

(c)

adrenal

(d)

pancreas

The beginning of menstruation at puberty is called

1

(a)

ovulation

(b)

menstruation

(c)

menarche

(d)

menopause

Structure present in a cell which is responsible for determination of the sex of a baby is

1

(a)

cytoplasm

(b)

cell membrane

(c)

nucleus

(d)

chromosome

In females, the uterine wall thickens to receive the __________________

1

(a)

fertilised egg

Endocrine glands release hormones directly into ________________ for transportation to the ________________

1

(a)

blood stream, target site

The sex hormones, ______________ and oestrogen are responsible for the development of characters.

1

(a)

testosterone

Voice of boys becomes_________ as the voice box enlarges during adolescence

1

(a)

hoarse

__________glands release hormones directly into blood stream.

1

(a)

Endocrine

Testes are responsible for production of sperms.

1

(a) False

(b) True

Stoppage of menstruation is called adolescence.

1

(a) True

(b) False

Mother is responsible for the sex determination of the baby.

1

(a) True

(b) False

Drugs should always be taken on the prescription of doctor

1

(a) False

(b) True

Junk food is a healthy diet during adolescence

1

(a) True

(b) False

What is puberty?

1

(a)

The human body undergoes several changes during adolescence.Thesechangesmark the onset of puberty

When does puberty end?

1

(a)

Puberty ends when an adolescent reaches reproductive maturity

Write two changes which occur during puberty

1

(a)

(i) Increase in height.
(ii) Change in body shape

Why during adolescence voice of some boys becomes hoarse?

1

(a)

Because boys develop large voice box. It can be seen as a protruding part of the throat called Adam's apple

Write a myth regarding body changes in adolescence

1

(a)

A girl gets pregnant if she looks at boys during mensuration