Select the correct statements about increase in height from the following statements.

i. A sudden increase in height is seen during adolescence due to growth hormones.
ii. Girls grow faster than boys initially during adolescence.
iii. At the end of adolescence, maximum height is reached.

Q. Pick up the correct statements about height growth from the following.

i. A sudden increase in height is seen during adolescence due to growth hormones.
ii. Girls grow faster than boys initially during adolescence.
iii. At the end of adolescence, maximum height is reached which is inherited from parents.

Q.

Pick up the correct statements about the increase in height during puberty.

i. A sudden increase in height is seen during adolescence due to growth hormones.
ii. Girls grow faster than boys initially during adolescence.
iii. At the end of adolescence, maximum height is reached which is inherited from parents.

Q. The height of boys increase at a faster rate than girls at adolescence.

Q.

Choose the correct option.

(a) Adolescents should be careful about what they eat, because

(i) proper diet develops their brains.

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

(iii) adolescents feel hungry all the time.

(iv) taste buds are well developed in teenagers.

(b) Reproductive age in women starts when their

(i) menstruation starts.

(ii) breasts start developing.

(iii) body weight increases.

(iv) height increases.

(c) The right meal for adolescents consists of

(i) chips, noodles, coke.

(ii) chapatti, dal, vegetables.

(iii) rice, noodles and burger.

(iv) vegetable cutlets, chips and lemon drink.

Q. Which of the following statements are true about respiration?
(i) during inhalation, ribs move inward and diaphragm is raised.
(ii) the gaseous exchange takes place in the alveoli.
(iii) haemoglobin has greater affinity for carbon dioxide than oxygen.
(iv) alveoli increase surface area of the exchange of gases
(a) (i) and (iv)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (ii) and (iv)