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Agte 420:Post Harvest Question Paper

Agte 420:Post Harvest

Course:Agriculture And Natural Resources

Institution: Kenya Methodist University question papers

Exam Year:2011

Instructions:

This paper has two sections: SECTION I and SECTION II. Answer ALL the questions in section I and only TWO questions in section II.

SECTION I (Answer ALL the questions in this section)

Question One
Explain briefly four ways in which appropriate packaging can allow to control some primary sources of postharvest loss of agricultural commodities. (6mks)

Question Two.
Give four examples showing that secondary causes of food losses can be prevented by good planning. (6mks)

Question Three.
Discuss how postharvest physiology affects management of agricultural commodities. (6mks)

Question Four.
Describe briefly four techniques traditionally used for the control of insects in stored grains and oil seeds. (6mks)

Question five.
Outline any four practices or technologies used to increase the shelf -life of fruit trees. (6mks)

SECTION II (Answer any TWO questions in this section)

Question Six.
Discuss four ways in which postharvest cooling of agricultural commodities controls food loss. (20mks)

Question Seven

Discuss five examples of postharvest operations carried out as part of the preparations of vegetables for the market showing how they can influence positively or negatively the qualitative aspects of the vegetables shelf life. (20mks)

Question Eight.
Using diagrams where possible, describe any food dryer of your choice and explain how it operates and how drying of food stuff takes place in the dryer. (20mks)

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