1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Some of the characteristics of Bt cotton are –
A
High yield and production of toxic protein crystals which kill dipteran pests
B
High yield and resistance to bollworms
C
Long fibre and resistance to aphids
D
Medium yield, long fibre and resistance to beetle pests
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Breeding of crops with high levels of minerals, vitamins and proteins is called –
A
Biofortification
B
Biomagnification
C
Micorpropagation
D
Somatic hybridisation
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The bacterium Bacillus thuringiensis is widely used in contemporary biology as -
A
Indicator of water pollution
B
Agent for production of dairy products
C
Source of industrial enzyme
D
Insecticide
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is antisense technology?
A
RNA polymerase producing DNA
B
Production of somaclonal variants in tissue cultures
C
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
D
A cell displaying a foreign antigen used for synthesis of antigens

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