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Zool 415: Animal Physiology Question Paper

Zool 415: Animal Physiology

Course:Bachelor Of Education Science

Institution: Kabarak University question papers

Exam Year:2012

KABARAK UNIVERSITY
SUPPLEMENTARY/SPECIAL EXAMINATIONS
2011/2012 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF EDUCATION SCIENCE
ZOOL 415: ANIMAL PHYSIOLOGY
DAY: FRIDAY

DATE: 26/10/2012
TIME: 11.00 – 1.00 P.M. STREAM: Y4S1

INSTRUCTIONS:
? Duration 2hours

Section A: Answer All Questions (40 Marks)
1.
a) State the functional distinction between the following terms:

i) Pharynx and larynx ii) Transcytosis and anastomosis
(6 marks)
b) Explain briefly the meaning of the following terms

i) Fever
ii) Open circulatory system

(4 marks)

2.
a) List five differences between vein and arteries.

(5 marks)

b) Write short notes on the following:
i) Electrolyte balance in marine vertebrates
ii) Cold hardiness in animals living in Polar Regions.
(5 marks)

3.
a) Give the chemical composition of mammalian saliva and hence its functions.

(5 marks)

b) Describe the digestive role of duodenum.

(5 marks)

Section B: Answer Three Questions Only (30 Marks)
4.
a) State four functions of respiratory system in higher animals.
(4 marks)
b) State how CO2 is transported from tissue cells to the lungs.
(2 marks)
c) Describe the mechanism of exchange of gases in the alveolar. (4 marks)

5.
a) Describe the process of hemostasis.

(7 marks)

b) Classify the formed elements of blood.

(3 marks)

6.
a) Use a sketch to illustrate the flow of blood through mammalian heart.
(5 marks)

c) Explain briefly five mechanisms that aid in venous flow of blood back
to the heart.

(5 marks)

7.
a) Draw a well labeled diagram of nephron of mammalian kidney. (5 marks)

b) Describe the role of mammalian kidney in water and electrolyte homeostasis.
(5 marks)

Zool 415: Animal Physiology Question Paper

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