1
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
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
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
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A transgenic food crop which may help in solving the problem of night blindness in developing countries is
A
Flavr Savr tomatoes
B
Bt soybean
C
Starlink maize.
D
Golden rice
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