Govt. Degree College, Kodur(RS), Kadapa(Dist)
Affiliated to Y.V. University, Kadapa.
THREE YEAR B.Sc. DEGREE EXAMINATIONS – Pre Final – 2012
First Year Examination
Part II – Biotechnology
Paper 1 – Cell Biology and Genetics
Time: 3 hours Max. Marks: 100
SECTION – I
Answer all questions. Each question carries 15 marks. (Marks: 4 x 15 = 60)
1. (a) Describe the ultra structure of Mitochondria and its functions.
(or)
(b) Describe the organization of chromosomes. Add a note on polythene chromosome
2. (a) Explain the law of independent assortment of Mendel with example.
(or)
(b) Explain linkage and recombination.
3. (a) DNA is the genetic material. elucidate with any two experiments.
(or)
(b) Explain different methods of DNA damage and repair systems.
4. (a) Explain the concept of probability and its application to Mendelian segregation.
(or)
(b) Write an essay on Biological databases.
SECTION – II
Answer any EIGHT questions. Each question carries 5 marks. (Marks: 8 x 5 =40)
5. Golgi apparatus
6. Lamp brush chromosomes.
7. prokaryotic cell.
8. sex determination.
9. complementary gene interaction.
10. X-linked inheritance.
11. TMV.
12. T2 bacteria ophage
13. Watson and crick model of DNA.
14. Poisson distribution.
15. t-test
16. NCBI