Page 114 - Science Class 08

3. Which of the following is not an endocrine gland?
(a) Pituitary gland (b) Pancreas

(c) Testes (d) Sebaceous
4. Which of the following hormones is secreted by adrenal gland?
(a) Cor coids (b) Insulin

(c) Glucagon (d) Vasopressin
5. Which of the following glands secretes oxytocin?
(a) Pituitary gland (b) Thyroid gland
(c) Adrenal gland (d) Pancreas

B. Fill in the blanks.
1. Girls generally reach the phase of adolescence one or two years _____________ than boy.
2. _____________ is the most no ceable change that takes place during the puberty.

3. At puberty, the voice box or the larynx becomes _____________ in boys.
4. _____________ hormones regulate the secre on of hormones from other endocrine
glands.
C. Write True or False.
1. The length of the bones of legs and arms become elongated during the phase
of adolescence.
2. The larynx in girls remain compara vely small and cannot be seen from the
outside.
3. Liver and salivary glands are the examples of exocrine glands.
4. Prolac n works with the estrogen, progesterone and other hormones to
s mulate the mammary glands in the breast to secret milk.

5. Personal hygiene, physical exercise, nutri ous food and avoiding drugs are
important to keep reproduc ve health fit.

D. Match the following columns.
Column I Column II
1. Vasopressin a. Progesterone

2. Thyroid gland b. Cor coids
3. Adrenal gland c. Glucagon
4. Pancreas d. Volume of the blood
5. Ovaries e. Thyroxin

E. Very short answer ques ons.
1. Name any two exocrine glands.
2. Name any three endocrine glands.
3. What is the func on of growth hormone?

4. Name the hormone secreted by testes.
5. What do you mean by chromosome?

114 Science-8