How can sewage treatment be carried out with the help of aquaculture?

What is 'live feed'? Highlight the advantages and the importance of live feed culture for hatcheries. Add a note on culture of any one organism used as live feed.

What is a pearl? How is foreign body implanted into an oyster and how does it become a pearl?

Parameters of evaluation of fish feed

Any two parasites of fin fish and diseases caused by them

Prevention of diseases common in prawn hatcheries

Nutrient digestibility

Pearson's square for feed formulation

Differentiate between live bearers and egg layers.

What do the terms: liming, manuring and stocking of ponds mean? Why are these processes important for fresh water aquaculture? Describe how these processes are carried out.

Give an account of (i) hapa hatchery, and (ii) control of aquatic weeds in fishery waters.

What is meant by 'induced breeding by hypophysation under pond conditions'? Describe the technique.

State the specific features which distinguish a mature female carp from a spawning female carp and a spent female carp.

Give the common names and scientific names of two Indian major carps and one Chinese carp which are cultured in fresh water. If you were given two carps, how will you know which one is male and which one is female by observing (i) the genital aperture/vent, and (ii) the pectoral fins?

Explain various methods of pearl oyster farming.

Briefly write about the two edible seaweed species suitable for culture in Indian coastal areas.

Name the commercially important finfishes suitable for culture in coastal areas and describe the most promising methods for culturing them.

List three major factors that need to be taken care of for prevention of diseases.

What are the two latest genetic techniques used for pathogen identification in fisheries?

Why do fish culture ponds require organic manure?