1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements about viruses is correct?
A
Viruses possess their own metabolic system.
B
All viruses contain both RNA and DNA .
C
Viruses are obligate parasites.
D
Nucleic acid of viruses is known as capsid.
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Phenetic classification of organisms is based on
A
observable characteristics of rxisting organisms
B
the ancestral lineage of existing organisms
C
denodrogram based on DNA characteristics
D
sexual characteristics.
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Viruses are no more ''alive'' than isolated chromosomes because
A
They require both RNA and DNA
B
they both need food molecules
C
they both require oxygen for respiration
D
both require the environment of a cell to replicate.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In five kingdom system, the main basis of classification is
A
structure of nucleus
B
mode of nutrition
C
structure of cell wall
D
asexual reproduction.

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