Andhra University 2004 B.Sc Zoology Biology of Invertebrates and Cell Biology - Question Paper

ANDHRA UNIVERSITY
MODEL ques. PAPER
B.Sc Zoology (CCS)
Paper I
Biology of Invertebrates and Cell Biology

Time: three Hrs
Max. Marks: 100

SECTION-A (4 x 15 = 60)

All ques. are compulsory
every ques. carries FIFTEEN Marks

1. define the life cycle of Elphidium

Or

explain alternation of generations with reference to life-history of Aurelia

2. provide an account of parastitic adaptations of helminths

Or

define the structure and reproductive system of leech.

3. define the structure and affinities of Peripatus

Or

provide an account of Echinoderm larvae.

4. provide an account of structure and functions of mitochondria

Or

provide an account of nucleic acids.

SECTION-B (5 x four = 20)
ans any 5 of the subsequent
every ques. carries 4 marks

5. Polymorphism in Hydozoa
6. Canal system in sponges
7. Structures of Fasciola gepatica
8. Thoracic appendages of prawn
9. define the process of pearl formation
10. Structure of Balanoglossus
11. Plasma membrane
12. Endoplasmic reticulum

SECTION-C (10 x two = 20)
All ques. are compulsory
every ques. carries 2 marks

13. Characters of Demospongia with suitable examples
14. Reef Coral
15. Structure of Anctlostoma
16. Mantle cavity of Pila
17. Pedicellaria
18. Statocycst of Prawn
19. Lycosomes
20. M-RNA
21. Centriole
22. Brownian Movement

Earning:   Approval pending.