Question

Bacillus thuringiensis is used to control
(a) bacterial pathogens
(b) fungal pathogens
(c) nematodes
(d) insect and pests

Answer 1

Dear Student,

◆ Answer - (d)

Bacillus thuringiensis is used to control *insect and pests*.

◆ Extra information -

- Bt crops are genetically engineered crops in order to release same toxin as Bacillus thuringiensis.

- Tumor inducing plasmid from agrobacterium is used as vector here.

- These crops are resistant to pests because of this toxin.

Hope this helped you. Thanks for asking..

Answer 2

Explanation:

option a is correct

Bacillus thuringiensis produces a diversity of Cry proteins that are selectively toxic against a wide variety of insect pests.

So, the correct option is 'insect pests'