Assam University 2009 B.Sc Zoology TDC Part-III Honours --- Eighth - Question Paper

OTS-09/ ZOOH-6/099

2009
ZOOLOGY (Honours)
Eighth Paper
(Taxonomy, Zoogeography, Museology, Endocrinology, Animal Physiology )
TDC Part-II

Full Marks : 70
Pass Marks : 21

Time : three hours

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

ans all ques.

1. What is biological species concept? Distinguish ranging from systematics and taxonomy. Write on
Linnaean hierarchy. 5+6+5 = 16
Or
Write notes on : four x four = 16
(a) ICZN (b) Biological nomenclature. (c) Numerical taxonomy
(d) Taxonomic Key.

2. What is discontinuous distribution? explain the factors affecting animal distribution.
4+10=14
Or
Name the zoogeographical realms of the world. explain the physical feature, geographical range
and faunal characteristics if Australian Realm. 4+10 =14

3. What do you mean by preservation of specimen? explain the utility and process of curating.
2+8= 10
Or
describe taxidermy. define the methods adapted in stuffing of birds. 2+8 = 10

4. What is thyroglobulin? explain the histological structure of thyroid. Write an account on
biosynthesis of thyroid hormones. 2+6+6 = 14
Or
Write short notes on : 3.5 x four = 14
(a) Oxytocin (b) Cortisol (c) Insulin (d) Trophic hormones

5. elaborate respiratory pigments? explain the role of haemoglobin in transport of oxygen and
carbon dioxide. 4+6+6 = 16
Or
Write short notes on : four x four = 16
(a) Coagulation of blood. (b) Rh factor
(c) Loop of Henle (d) Osmoregulation in fish

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Earning:   Approval pending.