Question

The genetically-modified (GM) brinjal in India
has been developed for
(a) insect-resistance
(b) enhancing shelf life
(c) enhancing mineral content
(d) drought-resistance

Answer 1

Answer:

Insect resistance. Option a

Answer 2

The genetically-modified (GM) brinjal in India  has been developed for insect-resistance.

Option (a).

Explanation:

• Genetically-modified brinjal is a transgenic brinjal which is produced by injecting the  crystal protein gene that gives resistance to  lepidopteron insects.

• Brinjal Fruit and Shoot Borer is harmful pests.

• As this insect cause major economic loss in brinjal production, transgenic egg plant was produced.

• Crystal protein gene present in the Soil bacterium Bacillus thuringiensis which is known as biological pesticides.

• Crystal protein  called δ-endotoxin  contain insecticidal action.

• The gene for Crytsal protein is isolated and transferred to brinjal cultivars by Agrobacterium mediated gene transfer method.

• The resultant transgenic acts against fruit and shoot borer insect and kills them.

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