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5
MCQ (Single Correct Answer)

A probe which is a molecule used to locate specific sequences in a mixture of DNA or RNA molecules could be

A

a single stranded RNA

B

a single stranded DNA

C

either RNA or DNA

D

can be $s s$ DNA but not $s s$ RNA

6
MCQ (Single Correct Answer)

Choose the correct option regarding retrovirus.

A

a RNA virus that can synthesis DNA during infection

B

a DNA virus that can synthesis RNA during infection

C

a $s s$ DNA virus

D

a dsRNA virus

7
MCQ (Single Correct Answer)

The site of production of ADA in the body is

A

erythrocytes

B

lymphocytes

C

blood plasma

D

osteocytes

8
MCQ (Single Correct Answer)

A protoxin is

A

a primitive toxin

B

a denatured toxin

C

toxin produced by Protozoa

D

inactive toxin

9
MCQ (Single Correct Answer)

Pathophysiology is the

A

study of physiology of pathogen

B

study of normal physiology of host

C

study of altered physiology of host

D

None of these