Practice Fisheries Questions and Answers

• Which country was the largest export market (by value) for India's marine products in 2024-25?
• By approximately how many times did India's fish seed (fry) production grow between 1985-86 and 2024-25 (Provisional)?
• Which state was the leading producer of fish seed (fry) in India during 2024-25 (Provisional)?
• What was the share of the fishing and aquaculture sector in India's Agriculture & Allied GVA during 2023-24?
• What was the share of the fishing and aquaculture sector in India's National GVA during 2023-24?
• Which state recorded the highest Gross State Value Added (GSVA) from fishing and aquaculture during 2024-25?
• Around which year did India's inland fish production share overtake its marine fish production share, based on the historical trend presented in the Handbo...
• In which category of fish production does India rank 1st in the world, as per 2022 data?
• Which Ministry serves as the nodal ministry for the fisheries sector in India?
• Composite fish culture in India combines compatible Indian major carps and exotic carps in the same pond mainly to utilise different:
• In a composite fish culture pond stocked with Indian major carps, which species is primarily a bottom feeder, mainly consuming detritus and decaying organi...
• Which exotic carp species, introduced into Indian composite fish culture systems, is primarily a surface feeder that consumes phytoplankton, thereby helpin...
• The minimum legal mesh size prescribed for fishing nets in capture fisheries is primarily intended to:
• Which of the following is an example of an air-breathing fish, capable of surviving for extended periods out of water and even in poorly oxygenated ponds b...
• Which fish farming practice involves rearing fish within floating or fixed net enclosures suspended in a natural water body such as a reservoir or lake, al...
• Which of the following is an indigenous ornamental/aquarium fish species native to India's freshwater streams, increasingly bred commercially owing to high...
• Which method of harvesting fish from a pond involves dragging a long, specially designed net through the water and gradually drawing it towards the bank, a...
• Which term describes fish farming carried out within a paddy field, in which fish are reared together with a standing rice crop, allowing farmers to obtain...
• Fish are generally considered a more feed-efficient source of animal protein compared with many land-based livestock, in terms of the amount of feed needed...
• In intensive aquaculture ponds, dissolved oxygen levels can suddenly deplete in the early morning hours, since phytoplankton and other pond organisms conti...
• Which reproductive technique, involving the administration of pituitary gland extract or synthetic hormone analogues to trigger spawning in captive broodfi...
• Which of the following is the main advantage of using a Recirculating Aquaculture System (RAS), in which water is continuously filtered and reused within a...
• Which term refers to the young, early developmental stage of a fish immediately after hatching from the egg, during which it still possesses a yolk sac pro...
• Brackish water aquaculture, is practised in coastal areas where a mix of seawater and freshwater is available, rather than purely in freshwater ponds, main...
• Which term describes the largest catch that can be continuously taken from a given fish stock or fishery over an indefinite period, without depleting the p...
• A fish farmer operating a composite fish culture pond stocks six species of carp together, choosing species that occupy different feeding zones within the ...
• A shrimp hatchery manager notices unusually high mortality among post-larvae in one of his rearing tanks, along with lethargic behaviour, reduced feeding a...
• Which term describes the phenomenon in which fish populations in a water body shift genetically over successive generations because sustained fishing press...
• Which water quality parameter, when it falls significantly below saturation level in a fish pond, most directly triggers stress and eventually asphyxiation...
• Which term describes the practice of releasing hatchery-reared juvenile fish or fingerlings into natural or semi-natural water bodies such as rivers, reser...
• Which parameter, calculated as the amount of feed consumed divided by the amount of body weight gained by the fish over a given period, is commonly used in...
• Which of the following fish species is NOT considered one of the three traditional Indian Major Carps (IMC) used in composite fish culture in India?
• Fish silage, a liquid product prepared from fish waste/by-catch through acid or bacterial fermentation, is primarily used as which of the following?
• Among the Indian major carps used in composite fish culture, which species is primarily a column feeder, consuming zooplankton present in the middle layer ...
• Oil sardine, an important pelagic marine fish species that supports one of India's largest fisheries, particularly along the Kerala and Karnataka coasts, i...
•   In fish seed production and nursery rearing, different larval and juvenile stages are identified based on size, yolk-sac absorption and feeding behavi...
• In a typical Indian composite fish culture system involving catla, rohu and mrigal, each species occupies a specific feeding zone in the pond. Which of the...
• Eutrophication is a major environmental problem in lakes, tanks and slow-moving water bodies, causing algal blooms and oxygen depletion. What is the main c...
• The Kyoto Protocol is an international agreement adopted under the United Nations Framework Convention on Climate Change. What is its primary objective?
• Which exotic fish species, native to Africa and now widely cultured in India due to its fast growth, hardiness, and ability to tolerate a wide range of wat...