Get premium membership and access revision papers, questions with answers as well as video lessons.

Afp2318:Post Harvest Physiology Question Paper

Afp2318:Post Harvest Physiology

Course:Bachelor Of Horticulture

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE – 30 MARKS
(a) State five (5) fruit maturity indices (5Marks) (b) Distinguish between destructive and non-destructive methods of assessing fruit maturity. (2Marks) (c) State five (5) plant physiological processes and corroborate their relationship with post harvest management. (5Marks) (d) State key compositional changes that take place during fruit ripening. (5Marks) (e) Distinguish between ripening and senescence. (4Marks) (f) Define the term fruit ripening. (2Marks) (g) Distinguish between shelf life and storage life. (2Marks) (h) State five (5) post harvest management practices critical in prolonging fresh commodity postharvest storage life. (5Marks)
QUESTION TWO – 20 MARKS
(a) Elucidate on ethylene signal transduction pathway. (10Marks) (b) Discuss ethylene biosynthesis stating key enzymes that mediates the process. (10Marks)
2
QUESTION THREE – 20 MARKS
(a) Substantiate on the following terms: (i) MA (5Marks) (ii) CA (5Marks) (b) Explain the mechanism of I-MCP in fruit ripening. (10Marks)
QUESTION FOUR – 20 MARKS
Kenya is a major producer and exporter of avocado in Africa. However, over 40% of Kenyan avocado are lost due to poor postharvest management technologies.
(a) Discuss key postharvest management practices in avocado. (10Marks) (b) Critique avocado value chain management in Kenya today stating advantages and disadvantages of critical pathways. (10Marks)
QUESTION FIVE – 20 MARKS
(a) Compare and contrast avocado and mango fruit maturity and ripening. (10Marks) (b) Discuss both commodity postharvest disorders. (10Marks)

Afp2318:Post Harvest Physiology Question Paper

More Question Papers

Popular Exams