1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the following is commonly used in transfer of foreign DNA into crop plants ?
A
Trichoderma harzianum
B
Meloidogyne incognita
C
Agrobacterium tumefaciens
D
Penicillium expansum
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
What is true about Bt toxin ?
A
The activated toxin enters the ovaries of the pest to sterillise it and thus prevent its multiplication.
B
Bt protein exists as active toxin in the Bacillus
C
The concerned Bacillus has antitoxins
D
The inactive protoxin gets converted into active form in the insect gut
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Transgenic plants are the ones -
A
Produced after protoplast fusion in artifical medium
B
Produced by a somatic embryo in artificial medium
C
Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
D
Grown in artificial medium after hybridization in the field
4
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
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Graduate Aptitude Test in Engineering
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