Question 1:
a) Write an account on euchromatin and heterochromatin.
b) Explain the importance of mitosis and meiosis.
Question 2:
a) Explain the special kinds of chromosomes and their consequence.
b) Explain the evolution of main crop plants.
Question 3:
a) Describe the main principles of Mendelian inheritance.
b) Describe the mode of action of mutagens and role of mutations in the plant breeding.
Question 4:
a) Explain the clonal selection and hybridization.
b) Write an account on the evolution of the plant breeding.