1
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
2
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
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
Which of the following complex ions is expected to absorb visible light?
(At. nos. Zn = 30, Sc = 21, Ti = 22, Cr = 24)
A
[Ti(en)2(NH3)2]4+
B
[Cr(NH3)6]3+
C
[Zn(NH3)6]2+
D
[Sc(H2O)3(NH3)3]3+
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12