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Fisheries and Aquaculture

Telangana Open School (TOSS) · Class 12 · Biology

Flashcards for Fisheries and Aquaculture — Telangana Open School (TOSS) Class 12 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.

54 questions30 flashcards4 concepts

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30 Flashcards
Card 1Introduction to Fisheries

What is meant by 'fisheries'?

Answer

Fisheries refer to areas where fish and other aquatic organisms like prawns, crabs, and molluscs are reared, bred, and caught commercially. These can be natural or artificial water bodies used for lar

Card 2Types of Fisheries

Name the three main types of fisheries based on water type.

Answer

The three main types of fisheries are: (1) Freshwater fisheries (rivers, lakes, ponds), (2) Estuarine or brackish water fisheries (estuaries, lagoons), and (3) Marine fisheries (seacoasts and oceans).

Card 3Freshwater Fisheries

Give two examples of freshwater fish found in India.

Answer

Two common freshwater fish in India are Rohu (Labeo rohita) and Catla (Catla catla). These are widely cultivated in rivers, lakes, and artificial ponds.

Card 4Estuarine Fisheries

Where are estuarine fisheries commonly found in India?

Answer

Estuarine fisheries are commonly found in Bengal and Kerala, especially in backwaters, lagoons, and delta regions where river and sea water mix.

Card 5Estuarine Fisheries

Name two important estuarine fish species.

Answer

Two important estuarine fish species are Pearl Spot and Milkfish. They thrive in brackish water environments like lagoons and coastal lakes.

Card 6Marine Fisheries

List four major marine fish varieties in India.

Answer

Four major marine fish varieties are Mackerel, Sardine, Shark, and Catfish. These are caught along the Indian coastline, especially on the west coast.

Card 7Economic Importance of Fish

Why is fish considered a protective food?

Answer

Fish is rich in high-quality proteins, vitamins (especially A and D), and essential minerals. Its nutrients are easily digestible, making it a protective food that supports health and prevents deficie

Card 8Uses of Fish

What are the medicinal uses of fish?

Answer

Fish liver oil is a natural source of vitamins A and D. It is used to treat deficiencies like night blindness and rickets, especially in children and elderly people.

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Frequently Asked Questions

What are the important topics in Fisheries and Aquaculture for Telangana Open School (TOSS) Class 12 Biology?
Fisheries and Aquaculture covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Fisheries and Aquaculture — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 54 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many flashcards are available for Fisheries and Aquaculture?
There are 30 flashcards for Fisheries and Aquaculture covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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