Biology Biotechnology and Its Application Biotechnology Application in Agriculture Single Correct MCQ
Published on: August 12, 2026

Characteristics of Bt cotton are :

A
High yield and production of toxic protein crystals which kill dipteran pests
B
High yield and resistance to silkworms
C
Long fibre and resistance to aphids
D
Medium yield, long fibre and resistance to beetle pests

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Text Solution

Verified by Experts
The correct answer is:
A

Bt cotton contains Bt genes from Bacillus thuringiensis, which produce Cry proteins (toxic crystal proteins) that provide insect resistance. Among the given options, is the closest match to the characteristic feature of Bt cotton—production of toxic protein crystals and improved crop protection.

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