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92 In the eye, colour vision is effected by the presence of :
A
Choroid coat
B
Sclerotic coat
C
Rods
D
Cones
93 Quantity of fresh air required for a man is :
A
1000 cubic feet of air for every 20 minutes
B
1000 cubic feet of air for every 20 seconds
C
1000 cubic feet of air for every 10 minutes
D
1000 cubic feet of air for every 10 seconds
94 ‘ELISA’ test is employed to diagnose :
A
Polio virus
B
AIDS antibodies
C
Tuberculosis bacterium
D
Cancer
95 AIDS virus has :
A
single-stranded RNA
B
double-stranded RNA
C
single-stranded DNA
D
double-stranded DNA
97 Which of the following diseases is caused by a virus?
A
Polimyletis
B
Malaria
C
Whooping cough
D
Ring worm