Question
The toxin proteins, isolated from Bacillus thuringiensis , coded by which of the following genes would control cotton bollworms and corn borer, respectively ?
NEET
Zoology
Biotechnology and Its Applications
2026
NEET 2026 (Cancelled)
NEET Zoology Question (2026) — Solution
Options
- A. cryIAc and cryIAb
- B. cryIAc and cryIIAb
- C. cryIIAb and cryIAc
- D. cryIAc and cryIIIAb
Answer
A. cryIAc and cryIAb
Step-by-step solution
The toxin proteins encoded by the genes cryIAc and cryIIAb control the cotton bollworms. The toxin protein encoded by the gene cryIAb controls the corn borer. Therefore, the genes that control cotton bollworms and corn borer respectively are cryIAc and cryIAb. Answer: cryIAc and cryIAb
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