Total No. of Questions 12] [Total No. of Pages 2
M.Sc. (Previous) DEGREE EXAMINATION, MAY 2018
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) Prokaryotic cell
Q2) Nucleolus
Q3) Lamp brush chromosomes
Q4) Evolution of wheat
Q5) Tetrad analysis
Q6) Probability
Q7) Back cross method
Q8) Clonal selection
SECTION B × 10 40)
Answer all questions
Q9) Describe cell cycle.
OR
Describe the various banding techniques studied by you.
Q10) Give an account of structural alterations in chromosomes.
OR
Give an account of numerical changes in chromosomes.
Q11) Describe the chromosome mapping in Eukaryotes.
OR
How do you induce mutations and their role in plant breeding.
Q12) Describe the breeding methods in self pollinated crops.
OR
Describe the breeding methods in cross pollinated crops.