1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Restriction endonucleases :-
A
Are used for in vitro DNA synthesis
B
Are present in mammalian cells for degradation of DNA when the cell dies
C
Are synthesized by bacteria as part of their defense mechanism
D
Are used in genetic engineering for ligating two DNA molecules
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following bacteria has found extensive use in genetic engineering work in plants ?
A
Xanthomonas citri
B
Agrobacterium tumefaciens
C
Bacillus coagulens
D
Clostridium septicum
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In recent years, DNA sequences (nucleotide sequence) of mt-DNA and Y chromosomes were considered for the study of human evolution, because : -
A
They are uniparental in origin and do not take part in recombination
B
They can be studied from the samples of fossil remains
C
Their structure is known in greater detail
D
They are small, and therefore, easy to study
4
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
NEET Subjects
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