Yogi Vemana University B.Sc First Year Biotechnology 2012 Question Paper

THREE THREE YEAR B.Sc. DEG REE ExAMINATION MARCH/APRIL 2012

FIRST YEAR EXAMINATION

Part - II - Biotechnology

Paper I - CELL BIOLOGY AND GENETICS

(Revised from 2009-201)

(English version only)

Max. Marks 100                                                                                                                  Time: 3 hours

SECTION - A

Answer ALL questions. Each question carries 15 marks.                                             (Marks 4 x 15 = 60)

1 (a) Describe chromosome organization and add a note on polytene chromosomes

[Or]

(b) Explain Eukaryotic ultra cell structure with diagram.

2. a. Describe linkage and recombination.

[Or]

b. Write about mechanism of sex determination,

3. a. Explain structure of DNA.

                                                                              [Or]

b. Write about DNA damage and repair

4. (a) Describe bio statistics applications for biology

                                                                              [Or]

b. Explain various biological data banks.

SECTION - B

Answer any EIGHT questions. Each question carries 5 marks.                                   (Marks 8 x 5 = 40)

5. Endoplasmic reticulum.

6. Lamp brush chromosome.

7. Cell membrane.

8. Meiosis.

9. Co-dominance.

10. Mono hybrid ratio.

11. Cyto logical proof of crossing over

12 Hershey chase experiment.

13. Topoisomerases

14. t-test

15. Chi squire test.

16. NCBI.