B. Sc. (VI Semester) Examination
ZOOLOGY
Paper: ZOO/T6/361
(Endocrinology and Immunology)
Full Marks : 80
Pass Marks : 35%
Time : Three Hours
Notes: (i) Answer all questions.
(ii) The figures in the margin indicate full marks for the questions
Section-A
1. Answer the following questions: 2x5=10
(a) Define monoclonal antibody.
(b) What are hematopoietic stem cells?
(c) Describe the function of estradiol.
(d) What is neuroendocrine system?
(e) Write the function of mineralocorticoids.
2. Write short notes on any four of the following: 5x4=20
(a) Structure of the hypothalamus
(b) Glucocorticoids
(e) Estrous cycle
(d) Immunoglobulins
(e) Components of the immune system
(d) What is neuroendocrine system?
(e) Write the function of mineralocorticoids.
Section-B
2. Write short notes on any four of the following: 5x4=20
(a) Structure of the hypothalamus
(b) Glucocorticoids
(e) Estrous cycle
(d) Immunoglobulins
(e) Components of the immune system
Section-C
3. Answer any five questions from the following: 10×5=50
(a) Describe the structure and function of posterior pituitary with suitable diagrams.
(b) Describe the structure and function of testes with suitable diagrams.
(c) What is menstrual cycle? Describe how hormones regulate the reproductive cycles in humans with suitable diagrams.
(d) Describe the structure and properties of antigens with suitable diagrams.
(e) Describe the different classes of major histocompatibility complex (MHC) with suitable diagrams.
(f) Describe the signalling mechanism involved in the regulation of peptide hormones.
(g) Describe the structure and function of adrenal medulla with suitable diagrams.
