GM Crops in India: Technology, Bt Cotton, Bt Brinjal, GM Mustard, Regulation by GEAC and Genome-Edited Rice (UPSC Notes + PYQs)

Updated 5 min read4 PYQs linked
Cotton crop in the field
Asked by UPSCPrelims 2019, 2018, 2012, 20114 PYQs

UPSC has already asked about this. Read the story with these questions in mind.

See all 4 PYQs
Quick answerGenetically modified (GM) crops carry genes from another organism to add traits such as pest resistance or herbicide tolerance. India allows only one GM food-adjacent crop commercially, Bt cotton (2002). Bt brinjal is under moratorium since 2010; GM mustard DMH-11 got environmental release approval in 2022 but awaits a court decision. The GEAC regulates GM crops.

How it works

A gene is inserted using Agrobacterium or a gene gun. Bt crops carry a gene from Bacillus thuringiensis that makes a protein toxic to certain insects such as the cotton bollworm. Genome editing (CRISPR-Cas9) is different: it changes the plant’s own DNA without adding foreign genes; India exempted SDN-1 and SDN-2 edits from GM rules in 2022.

India’s record

CropStatusNote
Bt cottonApproved 2002Covers over 90% of cotton area; yields rose, then pink bollworm resistance grew
Bt brinjalMoratorium 2010Bangladesh grows it commercially
GM mustard DMH-11GEAC approval 2022Delhi University’s barnase-barstar hybrid; split Supreme Court verdict in 2024 asked for a national GM policy
Genome-edited riceReleased May 2025Two varieties (DRR Dhan 100 Kamala, Pusa DST Rice 1) for higher yield and stress tolerance

Regulation

Rules of 1989 under the Environment (Protection) Act, 1986. The Genetic Engineering Appraisal Committee in the Environment Ministry approves environmental release; the Review Committee on Genetic Manipulation (RCGM) in the Department of Biotechnology oversees research; FSSAI regulates GM food. India imports GM soybean oil and canola oil.

The debate

  • For: higher yields, less pesticide, edible oil self-reliance (India imports about 60% of edible oil), climate resilience.
  • Against: biosafety and long-term health concerns, gene flow to wild relatives, seed company control and costs, secondary pests, loss of native varieties.
  • A 2024 Supreme Court split verdict on GM mustard directed the Centre to frame a national policy on GM crops after consultation.

Gm Crops: UPSC angle

For UPSC CSE

Prelims: Bt crops, GEAC, GM mustard facts, CRISPR. Mains GS-III: biotechnology in agriculture, food security vs biosafety.

Gm Crops UPSC PYQs (Prelims)

Questions UPSC has actually asked, from the official papers. Pick an option to check yourself.

UPSC Prelims 2018 · GS-I · Q63

Directions for the following 2 (two) items : Consider the following graph in which the birthrate and death rate of a country are given, and answer the two items that follow.
=IMG q2018_63.png
Looking at the graph, it can be inferred that from 1990 to 2010

Answer (d) & why

DMH-11 carries the barnase–barstar genes from a soil bacterium. Barnase makes the plant male-sterile and barstar restores fertility, which allows hybrid seed production. It gives no pest resistance (that is Bt). It was developed by Delhi University’s Centre for Genetic Manipulation of Crop Plants under Deepak Pental.

Answer as per the official UPSC key · Battle IAS PYQ bank

UPSC Prelims 2011 · GS-I · Q29

A genetically engineered form of brinjal, known as the Bt-brinjal, has been developed. The objective of this is

Answer (a) & why

Bt brinjal carries the cry1Ac gene of the soil bacterium Bacillus thuringiensis. The gene makes a protein toxic to the fruit and shoot borer, so the plant resists this pest. Its commercial release was put under a moratorium in 2010.

Answer as per the official UPSC key · Battle IAS PYQ bank

UPSC Prelims 2012 · GS-I · Q64

What are the reasons for the people’s resistance to the introduction of Bt brinjal in India?
– 1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome.
– 2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies.
– 3. There is an apprehension that the consumption of Bt brinjal may have adverse impact on health.
– 4. There is some concern that the introduction of Bt brinjal may have adverse effect on the biodiversity.
Select the correct answer using the codes given below :

Answer (c) & why

The 2010 moratorium on Bt brinjal followed fears about health effects and the risk to India’s many native brinjal varieties (India is a centre of brinjal diversity). The Bt gene comes from a bacterium (Bacillus thuringiensis), not a fungus, and Bt brinjal seeds are not terminator seeds.

Answer as per the official UPSC key · Battle IAS PYQ bank

UPSC Prelims 2019 · GS-I · Q99

What is Cas9 protein that is often mentioned in news?

Answer (a) & why

Cas9 is a bacterial enzyme that a guide RNA leads to a matching DNA sequence, where it cuts both strands. This is the CRISPR-Cas9 “molecular scissors” used to edit genes, which won Charpentier and Doudna the 2020 Chemistry Nobel. India’s FELUDA COVID test used a related Cas protein.

Answer as per the official UPSC key · Battle IAS PYQ bank

Mains PYQs on this topic

No UPSC Mains question from 2023-2026 is directly on this topic. Older papers (2013-2022) will be added as the Mains bank grows.

Quick quiz

Practice · UPSC

Bt crops carry a gene from

Answer (b)

Produces an insecticidal protein.

Practice · UPSC

In India, GM crops are approved for environmental release by the

Answer (b)

Under the Environment Ministry.

Practice · UPSC

The only GM crop approved for commercial cultivation since 2002 is

Answer (b)

GM mustard approval awaits the court.

FAQs

Is genome editing the same as GM?

No. Genome editing changes the plant’s own genes; GM adds foreign genes. India exempts certain edits from GM rules.

Why was Bt brinjal stopped?

In 2010 the Environment Minister imposed a moratorium citing safety concerns and lack of consensus.

Does India import GM food?

Yes, GM soybean and canola oils are imported.

What is DMH-11?

A GM mustard hybrid developed at Delhi University using the barnase-barstar system.

Spotted an error? Tell us. We correct within 48 hours.

Image: Bhaskaranaidu, Wikimedia Commons, CC BY-SA 3.0

How to use this in Mains

GS-III

If asked: Should India adopt GM crops? Discuss the arguments. (GS-III)

Quote: “A 2024 Supreme Court split verdict on GM mustard directed the Centre to frame a national policy on GM crops after consultation.”

Use it: Use in the conclusion: the need for a national GM policy.

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