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Bota 307: Plant Development And Morphogenesis Question Paper

Bota 307: Plant Development And Morphogenesis 

Course:Bachelor Of Science

Institution: Egerton University question papers

Exam Year:2009



SECTION A: ANSWER ALL QUESTIONS

1. With help of a diagram show the modular construction of a shoot apex. (6 Marks)
2. Explain the changes that occur in the shoot apex during flower initiation. (8 Marks)
3. Describe microsporogenesis in angiosperms. (6 Marks)
4. Explain the differences between the three types of endosperm. (8 Marks)
5. Explain how a stem tuber is initiated and developed. (6 Marks)
6. With the help of three named antigibberellins, show clearly how they cause dwarfism in plants. (6 Marks)

SECTION B: ANSWER TWO QUESTIONS ONLY

7. Discuss phytochrome and its role in flowering process. (15 Marks)
8. Illustrate the pathways of IAA synthesis from Tryptophan. (15 Marks)
9. Describe the process of megametogenesis in angiosperms. (15 Marks)




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