IGNOU BAQ 3 SOLVED ASSIGNMENT

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BAQ 3 2025 - English

ASSIGNMENT

(Tutor Marked Assignment)

Coastal Aquaculture

Course Code: BAQ-003

Assignment Code: BAQ-003/TMA/2025

Maximum Marks: 100

1. Define saline and alkaline soils. Discuss the soil properties that are important for aquaculture.

2.a) Explain the key functional units of a shrimp hatchery and their roles.

b) Outline the primary components of artificial diets formulated for fish and shrimp larvae.

3. List five essential nutritional requirements of fish and shrimp and explain the significance of each nutrient.

4. Discuss the ecological significance of mangroves.

5. List the commercially important finfish species suitable for coastal aquaculture. What are the most effective methods for their cultivation?

6. Describe the desirable characteristics of a species considered suitable for aquaculture.

7.a) Provide a brief explanation of the culture practices used in ponds for the production of Artemia cysts and biomass.

b) Describe the methods for processing and storing Artemia cysts and biomass.

8. Describe any five common diseases of shrimp and explain how each disease is diagnosed.

9. What is the difference between monoculture and polyculture? Discuss the risks are associated with the pen culture method?

10. Provide a detailed description of pearl harvesting, the grading process, and the economics of pearl culture.

 

BAQ 003 (January 2026 - July 2026) - ENGLISH

ASSIGNMENT

(Tutor Marked Assignment)

Course Code: BAQ-003

Assignment Code: BAQ-003/TMA/2026

Maximum Marks: 100

1. Describe the major estuaries found along the east and west coasts of India, and explain the important fisheries associated with them.

2.

a). What characteristics are considered ideal in organisms that are used for aquaculture/fish culture?

b). Describe the main types of flora and fauna that live in brackish water ecosystems.

3. Discuss how a shrimp hatchery is designed and built, using neat, well-labelled diagrams to illustrate the main structures and layout.

4.

a). What is induced breeding, and which hormones are commonly used to trigger it in fish farming?

b). Briefly explain the different types of artificial feeds used to nourish fish or shrimp larvae in aquaculture.

5. Using clear diagrams, explain how dykes and peripheral dykes are built for aquaculture ponds.

6. Discuss the key physical and chemical properties of water that must be maintained within safe levels for successful prawn seed production. Provide examples of optimal ranges for each property and explain their significance.

7.

(a) Explain seed production for mud crab culture, which involves catching berried (egg-carrying) crabs, hatching their eggs, and rearing the larvae.

(b) Why do fish culture ponds require organic manure?

8.

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

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

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

10. 

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

(b) Explain various methods of pearl oyster farming.

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