Bangalore University B.Sc Biotechnology EXAMIATION, NOV/DEC 2008 Question paper

I SEM BSC EXAMIATION.
SUB: BOITECHNOLOGY-I

Time: 3hours
Max marks: 60

SECTION-A

Instruction:
Draw diagram where necessary.

I. Answer any five questions 5x2=10
1) Syneptonemal complex.
2) Peroxysomes.
3) Cell Senescence.
4) Nucleotide.
5) Back Cross.
6) Aneuploidy.

SECTION-B

II. Answer any four of the following :
7) Explain the fluid mosaic model of plasma membrane.
8) Describe the ciliary apparatus and its mechanism of ciliary motion.
9) Explain the structure and function of t-RNA.
10) Describe Turner syndrome.
11) Explain coupling and repulsion hypothesis.

SECTION-C

III. Answer any three of the following.
12) Describe the ultra structure of chromosome and add a note on nucleosome model.
13) Explain the structure and function of Golgi complex .
14) What is mitosis? Explain its stages.
15) Describe the molecular basis of mutation and add a note on its role in evolution
16) Explain with example
a) Cytoplasmic inheritance
b) XX-YY type of sex determination