Page 1 - 2.3-Home assignment-I (Obj & Subj)-Hormones in Animals, Feedback Mechanism

SAI International School
Std -X, Subject- BIOLOGY
Chapter- Control and Coordination
Sub Topic- Hormones in animals, feedback mechanism
Module- 15
Home Assignment
Objective- MCQ

1 The life processes in humans are controlled and regulated by

a. reproductive and endocrine systems
b. respiratory and nervous system
c. endocrine and digestive systems
d. nervous and endocrine systems

2 A doctor advised a person to take injection of insulin because his:
a. Blood pressure was high
b. Heart beat was high
c. Blood sugar was high
d. Thyroxine level in blood was high

3 Emergency hormone is
a. Adrenaline
b. Thyroxin
c. Growth Hormone
d. Somatostatin

4 Which gland controls the release of thyroxin and growth hormones
a. Hypothalamus
b. Pituitary
c. Thymus
d. Pineal

5 Master gland of Endocrine glands is:
a. Pineal
b. Pituitary
c. Thyroid
d. Adrenal Gland.

6
Identify which of the following statements about thyroxin is incorrect?
a. Thyroid gland requires iodine to synthesize thyroxin.
b. Thyroxin is also called thyroid hormone.
c. It regulates protein, carbohydrates and fat metabolism in the body.
d. Iron is essential for the synthesis of thyroxin.

7 Which gland secretes the growth hormone?
a. Pituitary gland
b. Thyroid
c. Hypothalamus
d. Adrenal

8 Which of the following endocrine glands does not exist in pairs?
a. Testes