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Zool 330: Animal Physiology Question Paper

Zool 330: Animal Physiology

Course:Bachelor Of Education Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS
THIRD YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
BACHELOR EDUCATION (SCIENCE)

ZOOL 330: ANIMAL PHYSIOLOGY

STREAMS: BED (SCI) Y3S1 TIME: 2 HOURS

DAY/DATE: THURSDAY 15/8/2013 8.30 AM-10.30 AM
INSTRUCTIONS:

Answer All Questions in Section A and any Two Questions in Section B

Section A (30 Marks)

1. State the site of production and one function of each of the following hormones.

(a) Ecdysone [1 mark]

(b) Thymosin [1 mark]

(c) Parathormone [1 mark]

(d) Somatotropin [1 mark]

(e) Vasopressin [1 mark]

2. Describe briefly how impulse is transmitted across a chemical synapse. [5 marks]

3. (a) Distinguish between the following:

(i) Absolute refractory period and relative refractory period. [1 mark]

(ii) Yellow spot and blind spot [1 mark]

(b) Describe briefly the mechanism of olfaction in mammals. [5 marks]

4. Describe extrinsic pathway of blood clotting. [5 marks]
5. (a) Explain the following terms

(i) Coprophagy [1 mark]

(ii) Positive feedback [1 mark]

(iii) Sarcomere [1 mark]

(iv) Water intoxication [2 marks]

(b) Describe briefly the mechanism of static equilibrium in the mammalian ear.
[3 marks]
Section B (40 Marks)

6. Describe the maintenance of acid-base balance in humans. [20 marks]

7. Discuss hormonal control of menstrual cycle. [20 marks]

8. Describe the process of urine formation in humans. [20 marks]

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Zool 330: Animal Physiology Question Paper

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