Q&A - Ask Doubts and Get Answers
8. Write notes on—
(c) Sex determination in the unborn baby.
10. The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
9. Word game : Use the clues to work out the words.
Across
3. Protruding voice box in boys
4. Glands without ducts
7. Endocrine gland attached to brain
8. Secretion of endocrine glands
9. Pancreatic hormone
10. Female hormone
Down
1. Male hormone
2. Secretes thyroxine
3. Another term for teenage
5. Hormone reaches here through blood stream
6. Voice box
7. Term for changes at adolescence
8. Write notes on—
(b) Secondary sexual characters.
8. Write notes on—
(a) Adam’s apple.
7. Choose the correct option.
(c) The right meal for adolescents consists of
(i) chips, noodles, coke.
(ii) chapati, dal, vegetables.
(iii) rice, noodles and burger.
(iv) vegetable cutlets, chips and lemon drink.
7. Choose the correct option.
(b) Reproductive age in women starts when their
(i) menstruation starts.
(ii) breasts start developing.
(iii) body weight increases.
(iv) height increases.
7. 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.
6. What are sex hormones? Why are they named so? State their function.
5. Prepare a Table having two columns depicting names of endocrine glands and hormones secreted by them.
4. List changes in the body that take place at puberty.
3. What is menstruation? Explain.
2. Define adolescence.
1. What is the term used for chemical secretions of endocrine glands responsible for changes taking place in the body?