NATIONAL OPEN UNIVERSITY OF NIGERIA
FACULTY OF AGRICULTURAL SCIENCES
DEPARTMENT OF CROP SCIENCE
EXAMINATION: SECOND SEMESTER POP EXAMINATION FEBRUARY 2018
COURSE TITLE: PRODUCE AND POST HARVEST MANAGEMENT (2CU)
COURSE CODE: CPT514
TOTAL SCORE: 70 MARKS
TIME ALLOWED: 3 hours
INSTRUCTION: Answer compulsory question 1 (25 marks) and any three questions (15 marks each)
Q1.
a. Enumerate the effects of wind and air on crop growth and development. (5marks)
b. List the Importance of Post-Harvest Technology. (10marks)
c. Mention the Methods of Crop Storagewith two examples each and also the factors to determine the choice for the best storage method. (10marks)
Q2.
a. What are the Climatic factors in relation to maturity, ripening and senescence of crop?(6marks)
b. List all and explain any one the Factors affecting ripening of fruits and vegetables.
(9marks)
Q3
a. What is Post-Harvest Technology? (3marks)
b. Give two examples of each of the following:
i. Chemicals that delays ripening
ii. Chemicals that hasten ripening
iii. Climacteric fruits
iv. Non climacteric fruits (12marks)
Q4.
a. Attempt to classify into groups the causes of post-harvest losses and name three example of each group.(10marks)
b. What are the Post-Harvest Treatments to Minimize Produce Contamination and to Maximize Quality. (5marks)
Q5
a. List the technologies of Reducing Post harvest losses. (12marks)
b. Describe operations prior to packaging(3marks)
Q6.
a. Briefly explain the categorization of the Types of Agricultural Processing.(9marks)
b. What are the Challenges of processing crop produce? (6marks)
