1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In bacteria, plasmid is
A
extra chromosomal material
B
main DNA
C
non functional DNA
D
repetitive gene.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Some bacteria are able to grow in streptomycin containing medium due to
A
natural selection
B
induced mutation
C
reproductive isolation
D
genetic drift.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
The growth curve of bacterial population in lab is plotted against time. What will be the shape of graph?
A
Sigmoid
B
Hyperbolic
C
Ascending straight line
D
Descending straight line
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Which fungal disease spreads by seed and flowers?
A
Loose smut of wheat
B
Corn smut
C
Covered smut of barley
D
Soft rot of potato