Name any THREE components of blood stating the function of each.

Students must choose to analyses at least four organisations one must be in the Technology and Supermarket sector
August 21, 2016
Mathematic for economics
August 21, 2016
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Name any THREE components of blood stating the function of each.

1. I) Name any TWO physiological functions that take place in a plant leaf. (2marks)

ii) Outline any FOUR adaptations of a leaf that makes it suited for the major function it carries in plants. (4 marks)

iii) What are vascular bundles and what role do they play in a plant (4marks)

iv) Explain the process of photosynthesis in plants (10 marks)

2. I) What is “blood”. (2marks)

ii) Name any THREE components of blood stating the function of each. (6 marks)

iii) Explain what is meant by ” double circulation” in describing the pumping action of the heart. (2marks)

iv) What is meant by gametogenesis (2marks)

3. the environment is affected by factors that are categorised as either biotic or abiotic
I) With the aid of examples distinguish between biotic and abiotic factors (6 marks)

ii) Explain the meaning of environmental pollution (2marks)

iii) Discuss any TWO human activities that may pollute the environment. (6marks)

iv) Briefly explain how man can control environmental pollution. (6marks)

 

 

 

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