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2019
Zoology(Major)
Paper: 5:1
(Animal Physiology)
Full Marks : 60
Time : 3 hours
1. Fill in the blanks/ Choose the correct answer 1x7=7
(a) Fibrinogen is produced by _______ .
(b) Myofibrils of heart are surrounded by ______ .
(c) Monocytes and sue macrophages are powerful _______ .
(d) Different varieties of leukocytes are found in
(i) marrow poo
(ii) blood pool
(iii) tissue pool
(iv) All of the above
(e) Stellate cells are found in
(i) pancreas
(ii) stomach
(iii) liver
(iv) intestine
(d) Column of Bertin is present in
(i) heart
(ii) nerve cell
(iii) kidney
(iv) muscle
(e) Nissl bodies are present
(i) in axon hillock
(ii) in axon
(iii) in allover the soma
(iv) within dendrite
2. Answer the following : 2x4=8
(a) Differentiate between myelinated and none-myelinated nerve fiber.
(b) What are the function of proteolytic enzymes?
(c) Differentiate between granulocytes and agranulocytes.
(d) Write about the functions of myoglobin.
3. Answer any three questions from the following : 5x3=15
(a) Describe briefly the structure and function of neuromuscular junction.
(b) Write a note on O2 dissociation curve.
(c) Describe briefly about the process of and chloride shift.
(d) Describe the saltatory propagation of nerve impulse.
(e) Write a note on the functions of pancreatic juice.
4. Mention the different types of gastric glands. Describe the role of stomach in digestion. 3+7=10
Or
What is villi? What is the role played by intestinal villi? Describe the process of absorption in intestine. 1+3+6=10
5. Describe the process of blood clotting mechanism.
Or
Describe the structure and functions of different types of WBC. 5+5=10
6. What is muscle protein? What are the roles played by different types of muscle proteins during muscle contraction? 2+8=10
Or
What is all-or-none law? Describe the process of impulse transmission through a non-myelinated nerve Fiber. 3+7=10