Q. No. 2. Discuss evolution of vascular bundles in tracheophytes. (20)

 

Q. No. 3. Describe process of fertilization for an angiospermic plant with significance of double fertilization. (20)

 

Q. No. 4. Write a comprehensive account of Plant Growth Hormones. (20)

 

Q. No. 5. Give an account of structure of epidermis and describe various functions of its different cell types. (20)

 

Q. No. 6. Write a comprehensive account of light and dark reactions in plants. (20)

 

Q. No. 7. Describe various structural modification of roots, stems and leaves tissues in xerophytic plants. (20)

 

Q. No. 8. Write short notes on any FOUR of the followings:- (5 each) (20)
(a) Theory of Natural Selection
(b) Economic importance of Rust and Smut
(c) Causes and significance of Polyploidy
(d) Types of stele
(e) Evolution of sporophyte in Bryophytes