1
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

The inactive form of Bt toxin is converted to the active form in the insect gut $\_\_\_\_$

A

by nucleases

B

due to alkaline pH

C

due to acidic pH

D

by proteases

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The human protein named $\boldsymbol{\alpha}$-1-antitrypsin, obtained from transgenic animals, is used for the treatment of $\_\_\_\_$ .

A

Emphysema

B

Alzheimer's disease

C

Rheumatoid arthritis

D

Cystic fibrosis

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes would contrl cotton bollworms and corn borer, respectively?

A

cryIAc and cryIAb

B

crylAc and cryllAb

C

cryllAb and crylAc

D

cryIAc and cryIIIAb

4
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following genetically engineered organisms was used by Eli Lilly to prepare human insulin?

A
Virus
B
Phage
C
Bacterium
D
Yeast

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