Hans Raj College ,
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Type of Announcement : Model Question Paper for B.sc Zoology
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Model Question Paper for Zoology
Subject - Biodiversity Non-Chordata Time - 3 Hours Marks - 75
Note :
** Attempt Five questions in all
** Question No. 1. is compulsory

1. (a) Define any five of the following
(i) Coelom (ii) Protista (iii) Epitoky (iv) Tagmosys
(v) Nacre (vi) Totipotent. (vii) Evisceration (viii) Metamerism
(b) Distinguish between any three of the of the following
(i) Binary fission and budding (ii) Polychaeta and Oligochaeta
(iii) Cilia and flagella (iv) (Holometabolous and hemimetabolous (iv) Bilateria and Radiata
(c) Give the zoological names and classification of any three of the following animals
(i) Sea mouse (ii) Water flea (iii) Brittle star
(iv) Spider (v) Jelly fish (vi) Squid.
(d) Give the precise location of the following
(i) Ospharidium (ii) Mehlis' gland
(iii) Radula (iv) Spinnerets in spiders

Fill in the blanks :
(i) The body cavity of Nematodes is called a. …………………………
(ii) Respiratory, structures in arachnids are called……………………..

2. Give an account of sexual reproduction in protozoa. Discuss, its importance
3. What are corals? How do they form Coral Reefs? Give an account of the various types of Coral Reefs found in the world.
4. Describe the life history of Ascaris. How does it differ from that of I Liver Fluke? Discuss its parasitic adaptations.
5. Draw a labelled diagram of the body wall of sycon. Describe its canal system and add a note on its functions.
6. Define Eusociality. What are the requisites of a social community? Compare the social organization of termites with that of bees
7. Give the general characters of the Phylum Cnidaria and describe the different polymorphic forms in them and give their functions
8. Give an account of the structure and function of the water vascular system in Echinoderms.
9. (a) Give the distinguishing features of the major classes of Phylum Molluscs.
(b) Explain the phenomenon of Torsion in gastropods
10. Write short notes on any three of the following
(i) Compound eye;
(ii) Metamerism;
(iii) Foot in cephalopoda
(v) Origin of Metazoa;
(v) Adaptive radiation in polychaeta;
(vi) Locomotion in Sarcodina.

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