IASbaba’s TLP OPTIONAL – 2017 : Zoology [21st July, 2017] – Day 10

Archives

Q.1) Classify phylum Mollusca upto orders with characteristics features and characteristics.(20)

Q.2) Write short notes on the followings (not more than 200 words). (10×4)

1. Respiration in various orders of Mollusca
2. Significance of Detorsion
3. Affinities of Mollusca with other phylum
4. General digestive physiological features of different orders in mollusca.

Q.3) Explain life cycle of Pila with diagrams and compare it with sepia.(20)

Q.4 Explain the process of detorsion and torsion and its significance. (20)