Give a comparative account of oligotrophic lake and eutrophic lake.

Discuss the trend of fish consumption in the context of India.

Write an account on the distribution and biology of any two brackish water fish species.

Discuss the preparation of cages for culturing aquacrops.

Describe the biotic components of biofloc.

Discuss the method of spawning in a bundh.

Describe the different post-mortem changes that occur after the death of fish.

Describe the role of different minerals as nutrients of aquatic animals.

Mention the causal organism and symptoms of any five parasitic diseases of fish.

Describe the different types of vaccines used in aquaculture.

Describe the structure of fisheries co-operatives in India. What are the activities of fisheries co-operatives?

Give an account of the classification of coastal regulation zone. Describe the regulation of activities in coastal regulation zone.

Discuss the different principles of extension education in fisheries.

Discuss the different models for effective transfer of technology with respect to aquaculture.

Explain the hormonal control and regulation of insect development by JH, PTTH and ecdysone hormone.

Describe the process of ovulation in insects and its significance in reproduction.

What are spermatodesms? How are they formed in Orthoptera and Odonata?

Give a comprehensive note of different types of legs, their modifications and function in insects.

Explain variations in thoracic segmentation across different insect taxa.

With the help of neat labelled diagram describe different types of mouthparts found in insects. Give examples.