Total No. of Questions 12] [Total No. of Pages 1
M.Sc. (Previous) DEGREE EXAMINATION, MAY 2017
First Year
Botany
Cytology, Genetics and Plant Breeding
Time 3 Hours Maximum Marks 70
SECTION A × 6 30)
Answer any Five questions from the following
Q1) Telomere
Q2) Karyotype analysis
Q3) Heterozygotes
Q4) Allopolyploids
Q5) Pseudoalleles
Q6) Sex limited inheritance
Q7) Probability laws
Q8) Back cross method
SECTION B × 10 40)
Q9) Describe the significance of mitosis and meiosis.
OR
Write an account on Euchromation and Heterochromatin.
Q10) Enumerate structural and numerical alterations of chromosomes.
OR
Describe the evolution of major crop plants.
Q11) Describe the principles of mendelian inheritance.
OR
Write an account on sex determination mechanisms in plants and man.
Q12) Describe the pure line selection and mass selection.
OR
Write an account on clonal selection and hybridization.