STD 12 - 10. biotechnology and its application — BIOLOGY STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 10. biotechnology and its application1 Mark
MCQ
Bacillus thuringiensis is a bacterium of
A
Dirty water
B
Skin of cat
✓
Soil
D
Surface of midgut
✓
Answer
Correct option: C.
Soil
c The bacterium Bacillus thuringiensis is a common soil bacteria, which produces a protein toxin that kills certain insects. The toxin is a crystal (Cry) protein. There are several kinds of cry toxin which are toxic to different groups of insects. The gene encoding Cry protein is called by gene
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