N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Zoology, Part-I
PAPER-I
(Non-Chordates and Chordates)
Annual Examination, 2018
Time: 3 Hours. Full Marks: 80
Answer five questions in all, selecting at least Two Questions from each Group.
All Questions carry equal marks.
GROUP
1. Why most of the sponges regardless of their size are limited to feeding on microscopic food
2. What is Coelom Describe organization of coelom in Annelida.
3. Describe the organs of respiration in Prawn.
4. Give an account of evolutionary significance of different larval forms of invertebrates.
5. Write notes on any two of the following
Botryoidal tissues
Acolomate
Bipineria larva
Medusa of obelia colony
GROUP
6. Classify living Reptiles up to orders with important characters with examples.
7. Describe the brain of Amphibia and compare it with that of mammals.
8. Describe the different types of feather available in Birds.
9. Trace the evolution of aortic arches in Vertebrates.
10. Write notes on any two of the following:
Macropus
Adaptive radiation
Sea-horse
Ampula of Lorengini of dogfish