Silicon is an example of _________?

A. No-conductor
B. Semiconductor
C. Super conductor
D. None of these

According to quantum theory of light, photons are _______?

A. Waves
B. Particles
C. Energy packets
D. Electromagnetic

The unit of torque in International system of unit is _________?

A. Newton
B. Newton-meter
C. Kilogram
D. Meter

A temporary magnet should be made from _______?

A. Copper
B. Tin
C. Iron
D. None

Which one of the following represents a chemical change_________?

A. Sublimation of iodine
B. Heating a platinum wire in a bunsen flame
C. Heating of mercuric oxide powder
D. Evaporation of alcohol

The hormone that increases the rate of heart beat and blood pressure after shock in a person is___________?

A. Adrenalin
B. Gastrin
C. Thyroxin
D. Pancreatic

The average weight of man’s brain is 4.8 ounces. What is the average weight of woman’s brain ?

A. 4.8 ounce
B. 5.8 ounce
C. 5.4 ounce
D. 4.4 ounce

The blind spot is located at the ___________ of the eye ?

A. Pupil
B. Vitreous humor
C. Aqueous humor
D. Optic disc

A clouding that develops in the lens of the eye or in its envelope obstructing the passage of light is known as________?

A. Glaucoma
B. Hemophilia
C. Cataract
D. Diphtheria

A common skin condition that causes skin redness and irritation is known as_________?

A. Psoriasis
B. Hypermetropia
C. Leukoderma
D. Diphtheria