1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Identify the correct order of organisation of genetic material from largest to smallest :
A
Chromosome, genome, nucleotide, gene
B
Genome, chromosome, nucleotide, gene
C
Genome, chromosome, gene, nucleotide
D
Chromosome, gene, genome, nucleotide
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Satellite DNA is important because it :
A
Shows high degree of polymorphism in population and also the same degree of polymorphism in an individual, which is heritable from parents to children.
B
does not code for proteins and is same in all members of the population.
C
codes for proteins needed in cell cycle.
D
codes for proteins needed in cell cycle.
3
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
Gene regulation governing lactose operon of E.coli that involves the lac I gene product is
A
negative and inducible because repressor protein prevents transcription.
B
positive and inducible because it can be induced by lactose
C
negative and repressible because repressor protein prevents transcription
D
feedback inhibition because excess of $$\beta $$-galactosidase can switch off transcription
4
AIPMT 2015 Cancelled Paper
MCQ (Single Correct Answer)
+4
-1
In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine, The percentages of the other three bases expected to be present in this DNA are
A
G 17%, A 16.5%, T 32.5%
B
G 17%, A 33%, T 33%
C
G 8.5%, A 50%, T 24.5%
D
G 34%, A 24.5%, T 24.5%
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