Define the following terms: 3x1=3

Eutrophic Lakes

Carrying Capacity

Rigor Mortis

Differentiate between the following terms: 3x3=9

Pen Culture and Cage Culture

Lake and Reservoir

Salting and Brining

Answer the following questions in one or two words:

Names of two shrimps as principal aquaculture species.

Scientific name of "milk fish".

Location of the first scientifically designed fish farm in India.

Expand the following abbreviations: 4x1=4

ECS

FFDA

CICFRI

CRZ

2. List the various non-conventional methods of aquaculture. Describe anyone of them in detail. 20

Fish is a highly nutritious food. Justify the statement by describing its important constituents. 15

List any four candidate species suitable to be cultured in brackish water. Describe any one of them in detail with respect to their physical and biological characteristics. 5

Explain the characteristics, structure and important activities of fisheries co-operatives in India. 10

Enumerate the methods used for the improvement of soil for aquaculture. 10

Describe any two phytoplanktons. 5


Describe the inter-relationships between the biotic communities in an aquatic environment. 15

6. Write short notes on any four of the following: 4x5=20

Nitrogen Cycle

Freezing Method of Fish Preservation

Factors Affecting Primary Productivity

Environmental Management for Sustainable Aquaculture

Scope of Aquaculture

Fermented Fishery Products