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COURSE CODE: CSP 401
COURSE TITLE: Biotechnology in Crop and Pest Management
DURATION: 2½ Hours
INSTRUCTIONS: Answer any five questions
Q1a. What is biotechnology? 3 marks
b. Discuss conventional and modern biotechnology 8 marks
c. Of what significance is biotechnology in developing countries? 9 marks
Q2. Distinguish between the following pairs of terms:
(i) Totipotency and genetic engineering 4 marks
(ii) Construct and Plasmid 4 marks
(iii) Transformation and cloning 4 marks
(iv) Biolistics and restriction endonucleases 4 marks
(v) Transgenic line and Transgenic event 4 marks
Q3a. Distinguish between mutation and micro-propagation. 5 marks
b. Discuss the establishment/initiation and transfer to soil/acclimatization stages of micropropagation. 5 marks
c. Give five advantages and disadvantages each of micro-propagation. 5 marks
d. Distinguish between spontaneous and induced mutation. 5 marks
Q4a. Discuss concerns over the development of herbicide tolerant crops 10 marks
b. How has biotechnology been employed in the control of insect pests on crops? 10 marks
Q5a. How is nitrogen fixed by cyanobacteria? 6 marks
b. What are biofertilizers and what precautions should be taken in their use? 6 marks
c. How do biofertilizers differ from chemical fertilizers? 8 marks
Q6a. What is a genetic marker? 3 marks
b. List 5 commonly used genetic markers. 5 marks
c. Discuss any 3 of the above listed markers. 12 marks
Q7. Discuss biotic and abiotic constraints to crop production that have encouraged the application of biotechnology. 20 marks
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You can now use you matric number to login as your username and password in a lowercase.
https://elearn.nouedu2.net/login/
Note that you are to change your passw...
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