Assam University 2008 B.Sc Zoology TDC Part-I Honours --- Fourth - Question Paper

NTS-08/ZOOH-4/058
2008
ZOOLOGY (Honours)
Fourth Paper
(Cell Biology, Genetics, Biochemistry and Histology)

TDC Part- II (New Syllabus)

Full Marks : 70
Pass Marks : 21

Time : three Hours

The figures in the margin shows full marks for the ques.

1. define with diagrams the structure and functions of Golgi Complex. 4+10 =10

Or
Write short notes on any 2 of the following: five x two = 10

(a) Nucleolus (b) Lysosomes (c) Transcription

2. define the structure of polytene chromosome with suitable diagrams. State its functional significance. 5+3 = 8

Or
provide an account of the modern concept of gene. 8

3. What do you understand by the term 'multiple allele? discuss the multiple allele with at lowest 2 suitable examples. 2+4+4 =10

Or
discuss the interaction of genes with reference to inhibitory and duplicate kind of interaction.
5+5 =10

4. What do you mean by chromosomal sex determination? define the various kinds of chromosomal sex determination in animals. 2+12 =14

Or
Write short notes on the following: 7+7 =14
(a) Linkage and its significance
(b) Turner's syndrome and Down's syndrome

5. What is protein? Classify protein with examples. State the biological significance of protein. 2+8+4 = 14
Or
describe Enzyme. discuss the mechanism of enzyme action with suitable example. State its functions. 2+9+3 = 14

6. define with diagrams the histology of mammalian liver and kidney. 7+7 =14

Or
What is tissue? define with diagram the various kinds of epithelial tissue with their functions. 2+ 12 =14

8/J -300/443

Earning:   Approval pending.