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-II
PAPER-XVI
(Ichthyology and Inland Fisheries)
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. The Gastrointestinal tracts of fishes are modified according to their food and feeding habits.
Justify this statement.
2. Describe the process of gas exchange at lamellar surface and transport of O2 and Co2.
3. Describe the aquatic resources in reference to riverine fishes of India.
4. Describe the development of fertilized egg of any fish up to hatching of embryo.
5. Write notes on any Two of the following:—
Chloride cells Gonado Somatic Index
Characteristics of Clarias Batrachus Air Sac
GROUP
6. What are the objective of fish culture Describe fish culture in fresh water.
7. Describe induced breeding and add a note on the factors influencing it.
8. Describe the different crafts and gear used in fish capture in marine water.
9. Give an account of Protozoan and fungal diseases in fishes and their cure.
10. Write notes on any Two of the following:—
Fate of Prawn Culture in India Collection of Fish Seeds
Oceanography Mahajal