8
MCQ (Single Correct Answer)
A protoxin is
A
a primitive toxin
B
a denatured toxin
C
toxin produced by Protozoa
D
inactive toxin
9
MCQ (Single Correct Answer)
Pathophysiology is the
A
study of physiology of pathogen
B
study of normal physiology of host
C
study of altered physiology of host
D
None of these
10
MCQ (Single Correct Answer)
The trigger for activation of toxin of Bacillus thuringiensis is
A
acidic pH of stomach
B
high temperature
C
alkaline pH of gut
D
mechanical action in the insect gut
11
MCQ (Single Correct Answer)
Golden rice is
A
a variety of rice grown along the yellow river in China
B
long stored rice having yellow colour tint
C
a transgenic rice having gene for $\beta$ - carotene
D
wild variety of rice with yellow coloured grains
12
MCQ (Single Correct Answer)
In RNAi, genes are silenced using
A
$s s$ DNA
B
ds DNA
C
ds RNA
D
$s s$ RNA