1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Manipulation of DNA in genetic engineering became possible due to the discovery of : -
A
Transcriptase
B
DNA ligase
C
Primase
D
Restriction endonuclease
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Maximum number of bases in plasmids discovered so far : -
A
500 kilo base
B
5 kilo base
C
50 kilo base
D
5000 kilo base
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Which of the following cut the DNA from specific places ?
A
Exonuclease
B
Alkaline phosphate
C
E.coli restriction endonuclease I
D
Ligase
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
In lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain : -
A
Only minimal medium
B
Complete medium and streptomycine
C
Only complete medium
D
Minimal medium and streptomycine
NEET Subjects
EXAM MAP