UPSC Agriculture – Chapter 16: Fisheries and Aquaculture (21 MCQs)
UPSC Agriculture – Chapter 16: Fisheries and Aquaculture (21 MCQs) – 21 questions, subject: Agriculture. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
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Which of the following gives the largest share of India's fish production?
Correct Answer: C [Inland fisheries]
Explanation:
led by aquaculture.
The largest fish-producing State in India is:
Correct Answer: D [Andhra Pradesh]
Explanation:
Andhra Pradesh is India's largest fish-producing State, driven mainly by inland aquaculture of fish and shrimp.
The Pradhan Mantri Matsya Sampada Yojana was launched in:
Correct Answer: C [2020]
Explanation:
PMMSY was approved by the Cabinet in May 2020 and launched by the Prime Minister on 10 September 2020.
The Indian major carps raised in polyculture are:
Correct Answer: B [catla, rohu and mrigal]
Explanation:
Catla, rohu and mrigal are the Indian major carps, the backbone of freshwater carp polyculture.
In a Recirculating Aquaculture System, the nitrifying bacteria in the biofilter convert:
Correct Answer: A [ammonia to nitrate]
Explanation:
Nitrifying bacteria in RAS biofilters oxidise toxic ammonia to nitrite and then to far less toxic nitrate.
Biofloc technology in aquaculture:
Correct Answer: B [converts fish waste into microbial protein that fish eat again]
Explanation:
In biofloc systems microbes turn fish waste into protein-rich floc that the fish eat again, saving feed and water.
"Fishing and fisheries beyond territorial waters" is listed in:
Correct Answer: C [the Union List]
Explanation:
Entry 57.
The uniform seasonal ban on mechanised fishing on India's east coast runs from:
Correct Answer: D [15 April to 14 June]
Explanation:
The uniform 61-day monsoon ban on mechanised fishing on the east coast runs from 15 April to 14 June.
The Marine Products Export Development Authority (MPEDA) is headquartered at:
Correct Answer: C [Kochi]
Explanation:
The Marine Products Export Development Authority, under the Commerce Ministry, is headquartered at Kochi in Keralam.
Consider the following statements:
1. Frozen shrimp is the main item of India's marine exports.
2. The United States is the largest market for India's marine exports.
3. Marine exports face no non-tariff barriers.
Which of the statements given above is/are correct?
Correct Answer: B [1 and 2 only]
Explanation:
Frozen shrimp is the top item and the USA the largest market; statement 3 is false as exports face many non-tariff barriers.
Assertion (A): Shrimp farming has harmed coastal ecosystems in some areas.
Reason (R): Shrimp ponds have replaced mangroves and caused salinisation of land and water.
Correct Answer: A [Both A and R are true, and R is the correct explanation of A]
Explanation:
Shrimp farms harm coasts precisely by replacing mangroves and salinising land and water, so R explains A.
The National Fisheries Development Board, set up in 2006, is located at:
Correct Answer: D [Hyderabad]
Explanation:
The National Fisheries Development Board was set up in 2006 with its headquarters at Hyderabad.
The WTO Agreement on Fisheries Subsidies (2022) bans subsidies to:
Correct Answer: B [illegal, unreported and unregulated fishing]
Explanation:
and to fishing of over-fished stocks.
Under the India–Sri Lanka maritime boundary agreement of 1974, Katchatheevu:
Correct Answer: D [lies on the Sri Lankan side of the boundary]
Explanation:
The 1974 India–Sri Lanka boundary agreement placed Katchatheevu on the Sri Lankan side of the line.
Pacific white shrimp, widely farmed in India, is known scientifically as:
Correct Answer: A [Litopenaeus vannamei]
Explanation:
Pacific white shrimp, permitted for farming in India from 2009, is Litopenaeus vannamei.
The Fisheries and Aquaculture Infrastructure Development Fund (FIDF) provides:
Correct Answer: C [concessional finance for harbours, cold chains and hatcheries]
Explanation:
FIDF (2018-19) gives concessional finance for fishing harbours, landing centres, cold chains and hatcheries.
Arrange the following in chronological order:
1. Coastal Aquaculture Authority Act
2. Pradhan Mantri Matsya Sampada Yojana
3. PM Matsya Kisan Samridhi Sah-Yojana
4. National Fisheries Development Board
Select the correct answer using the code given below:
Correct Answer: C [1-4-2-3]
Explanation:
Act 2005, NFDB 2006, PMMSY 2020, PM-MKSSY 2024.
Turtle excluder devices are fitted to fishing nets mainly to:
Correct Answer: A [let sea turtles escape from shrimp trawl nets]
Explanation:
the US requires them for shrimp imports.
The Indian major carps feed at different levels of a pond. Which of them is a bottom feeder?
Correct Answer: D [Mrigal]
Explanation:
Mrigal feeds near the pond bottom, while catla feeds at the surface and rohu in the column.
The "Blue Revolution" refers to the growth of:
Correct Answer: D [fisheries and aquaculture]
Explanation:
The Blue Revolution denotes the rapid growth of fish production through fisheries and aquaculture.
With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements:
1. Biofilters provide waste treatment by removing uneaten fish feed.
2. Biofilters convert ammonia present in fish waste to nitrate.
3. Biofilters increase phosphorus as nutrient for fish in water.
How many of the statements given above are correct?
Correct Answer: B [Only two]
Explanation:
statements 1 and 2 are correct as per the key; biofilters treat organic waste and convert ammonia to nitrate.
➤ Full notes, maps, tables, a reason for every option and Mains PYQs – U16 · Agriculture (UPSC book, ₹249): www.shanmugamiasacademy.in/study-materials/upsc-agriculture
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