1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The two polypeptides of human insulin are linked together by
A
Hydrogen bonds
B
Covalent bond
C
Disulphide bridges
D
Phosphodiester bond
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of -
A
Vitamin C
B
Omega 3
C
Vitamin A
D
Vitamin B
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The introduction of t-DNA into plants involves -
A
Altering the pH of the soil, then heatshocking the plants
B
Infection of the plant by Agrobacterium tumefaciens
C
Exposing the plants to cold for a brief period
D
Allowing the plant roots to stand in water
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
In Bt cotton, the Bt toxin present in plant tissue as pro - toxin is converted into active toxin due to :
A
action of gut micro-organisms
B
presence of conversion factors in insect gut
C
alkaline pH of the insect gut
D
acidic pH of the insect gut
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