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Environmental Physiology Question Paper

Environmental Physiology

Course:Bachelor Of Science

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE AND BACHELOR OF EDUCATION

SZL 409:
ENVIRONMENTAL PHYSIOLOGY

DATE: Tuesday, 22nd December, 2009

TIME: 11.00 a.m. – 1.00 p.m.
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INSTRUCTIONS:
Maximum marks are in proportion to the recommendation times to be spent on each
section.
Within each section all questions carry equal marks. Illustrate your answers with
diagrams wherever appropriate.
SECTION A
Answer ALL questions
(60 minutes)
1.
Outline the glycolytic pathway.

2.
Explain the mechanism of solute transport across the lipid bilayer.

3.
Describe briefly any five factors that lead to migration of animals.

4.
Differentiate between biological rhythms and seasonality.

5. Explain
the
mechanism
of Oxygen-Haemoglobin binding.
Page 1 of 2

6.
Describe the physiological adaptations prior to hibernation.

7.
Explain any five strategies adopted by animals found in oxygen-depleted zones.

8.
Outline two factors that affect the oxygen dissociation curve.

SECTION B
Answer any ONE question (60 minutes)
Page 2 of 2