Gauhati University Question Papers for Zoology 4th Semester Pass Course

Question Paper from 2010 available

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TDC IV SEMESTER (GENERAL)

PAPER : E-401 Total Marks 50 (40 + 10) Total Credits : 4

ANIMAL DIVERSITY-II (CHORDATES)

1. General characters outline classification and plan of body organization in chordates.

2. PROTOCHORDATES : General characters and classification. Structural organization of Hemichordata (Balanoglossus), Urochordate (Herdmania) and Cephalochordate (Amphioxious); Affinities of Hemichordates

3. AGNATHOSTOMATA : Classification, Ammocoete larva.

4. PISCES : General characters, classification up to order with characters and examples.

Anatomical structures of Scoliodon. Digestive, Circulatory and Nervous system of Scoliodon, Distinction between cartilaginous and bony fishes.

5. AMPHIBIA : Distinctive characters and classification up to order with characters and examples. Anatomical structures of Bufo with special reference to respiration. Metamorphosis in Amphibia.

6. REPTILIA : Distinctive characters and classification up to order with characters and

examples. Characteristics of poisonous snakes. Poison apparatus and biting mechanism.

7. AVES : Distinctive characters and classification up to order with characters and examples.

Differences between Paleognathae and Neognathae. Flight muscles and flight mechanism in

Bird , Migration of Birds.

8. MAMMALIA : Distinctive characters and classification up to order with characters and examples. Affinities of Prototheria.

9. General organization of exoskeleton in vertebrates.

10. Comparative anatomy of heart and aortic arch in Vertebrates.