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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.

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