Assam University 2007 B.Sc Zoology TDC Part-III Honours --- Eighth - Question Paper

NTS-07/ ZOOH-8 /062

2007
ZOOLOGY (Honours)
Eighth Paper
(Taxonomy, Zoogeography, Museology, Endocrinology, Animal Physiology)
TDC Part-III

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 do you mean by binomial nomenclature? provide an account of the International Code of
Zoological Nomenclature. 4+12 = 16
OR
Write notes on : four x four = 16
(a) Taxonomic hierarchy
(b) Concept of species
(c) Taxonomic key
(d) Holotype and Paratype

2. Write notes on cosmopolitan and discontinuous distribution. Mention the factors affecting
distribution in animals. 4+4+6 = 14
OR
elaborate geographical barrier? elaborate the various kinds of barriers? In spite of various
barriers how the animal groups dispersed in various areas? 2+2+10 = 14

3. What do you mean by taxonomic collection? What is the utility of collection? Write a brief
note on the curating of collection. 2+2+6 = 10
OR
Write brief notes on: five x two = 10
(a) Preservation of specimen
(b) Stuffing of fishes or birds

4. Write a note on the structure and functions of thyroid gland. Add a note on the regulation of
thyroid gland activity. 5+5+4 =14
OR
Distinguish between: 31/2 X four = 14
(a) Glucocorticoids and Mineralocorticoids
(b) Chromophobes and Chromophils
(c) Acinar Cells and Islets of Langerhans
(d) TSH and FSH

5. Why blood called a connective tissue? elaborate the various components of blood?
define with diagram the various kinds of leucocytes obtained in blood. How leucocytes
differ from erythrocytes? 2+4+8+2 = 16
OR
Write short notes on: four x four = 16
(a) Respiratory pigments
(b) Osmoregulation in freshwater animals
(c) Glomerular ultrafiltration
(d) Mechanism of breathing

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Earning:   Approval pending.