Which lenses are used by people having short-sightedness?
Which lenses are used by people having short-sightedness?
A. Convex
B. Concave
C. Concavo-convex
D. Plain
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Diamond is an allotropic form of_______?
Diamond is an allotropic form of_______?A. Carbon
B. Hydrogen
C. Nitrogen
D. SiliconCharge carriers in a metal are electrons rather than protons because electrons are?
Charge carriers in a metal are electrons rather than protons because electrons are?A. Smaller
B. Negative
C. Loosely bound
D. All of the aboveThe speed of light is __________?
The speed of light is __________?
A. 280,000 km/s
B. 300,000 km/s
C. 320,000 km/s
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Which of the following vitamin is known as Biotin?A. vitamin B-3
B. vitamin B-4
C. vitamin B-5
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The major component of honey is_________?A. Glucose
B. Surcose
C. Maltose
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Composition of honey is:
Fructose – 38.2%
Sucrose – 1.5%
Glucose – 31%
Minerals – 0.5%
Water – 17.1%
Maltose – 7.2%
Carbohydrate – 4.2%Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?
Quantity of fresh air required for a man is 1000 cubic feet of air for every____________?
A. 5 minutes
B. 10 minutes
C. 15 minutes
D. 20 minutes