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Metabolism And Respiration In Plants Question Paper

Metabolism And Respiration In Plants 

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 (BIOCHEMISTRY/BIOTECHNOLOGY)
SBC 302:
METABOLISM AND RESPIRATION IN PLANTS

DATE: Wednesday, 23rd December, 2009
TIME: 11.00 a.m. – 1.00 p.m.
------------------------------------------------------------------------------------------------------------
INSTRUCTIONS:
Section A:
Answer TWO questions.
(20 marks each)
1. Describe
a)
the reactions of CO2 fixation in C4 plants.
b)
the reactions of CO2 fixation in CAM plants.

2.
Explain the differences between plant and animal glycolysis.

3.
Explain the environmental factors that interfere with the respiratory rate in plants.

Section B:
Answer ALL questions.
(10 marks each)
4.
Explain the mechanism of plant response to drought stress.

5.
State the functions of auxins in plants.
6.
Describe gravitropism in roots.
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