Third Year B.Sc Zoology
Examination-March 2022
Paper-IV-Mammalian Physiology and Endocrinology
Time: 2 Hours Max Marks:50
Instructions:
* All questions are compulsory.
* Figure to the right indicate full marks.
* Draw labeled diagram wherever necessary.
Q.1 Define physiology. Explain the importance of physiology. (2)
Q.2 Answer in short. (any two)
a. Mention importance of homeostasis.
b. How blood maintains pH of the body?
c. Name any two enzymes secreted by digestive system. (2)
Q.3 Explain in brief the mechanism of muscle contraction. (3)
Q.4 Elaborate the pathway of urea formation. (3)
Q.5 Describe the renin-angiotensin- aldosterone system and explain its significance. (4)
Q.6 Explain the hypothalamic-pituitary axis and its regulation. (4)
Q.7 Discuss the functions and regulation of the thyroid gland. (4)
Q.8 Write a note on the male reproductive system in humans. (4)
Q.9 Explain the role of oxytocin in human physiology. (3)
Q.10 Write short notes on any two. (any two)
a. Endocrine disorders
b. Hypothalamus-pituitary-adrenal axis
c. Thermoregulation (4)