Engineer & Medical

Biotechnology and Its App question bank (Zoology)

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Q1.

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
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Q2.

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

(A)
cryIAc and cryIAb
(B)
cryIAc and cryIIAb
(C)
cryIIAb and cryIAc
(D)
cryIAc and cryIIIAb
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