General Science Page-2

11) A common skin condition that causes skin redness and irritation is known as:
(A) Diphtheria
(B) Leukoderma
(C) Hypermetropia
(D) Psoriasis

12) Microphone is used to convert sound waves into:
(A) Mechanical energy
(B) Kinetic energy
(C) Potential energy
(D) Electrical energy

13) Cooking gas is a mixture of:
(A) Ammonia and carbon dioxide
(B) Butane and propane
(C) Hydrogen and helium
(D) Hydrogen and butane

14) Extreme and irrational fear of death is known as:
(A) Apiphobia
(B) Agoraphobia
(C) Thanatophobia
(D) Aerophobia

15) Mixing of which material makes rubber more flexible?
(A) Graphite
(B) Marble powder
(C) Sulphur
(D) Potassium permanganate


16) A clouding that develops in the lens of the eye or in its envelope obstructing the passage of light is known as:
(A) Diphtheria
(B) Cataract
(C) Hemophilia
(D) Glaucoma

17) What is the composition of stainless steel?
(A) Chromium, iron and Carbon
(B) Iron, Graphite and Carbon
(C) Niobium, titanium and iron
(D) Carbon, cotton and limente

18) Why you feel pain in your ear when aeroplane goes down?
(A) Low air pressure
(B) No air pressure
(C) High air pressure
(D) Turbulence

19) What is the maximum limit of sound beyond which a person can become deaf?
(A) 135 db
(B) 129 db
(C) 110 db
(D) 105 db

20) Extreme sensitivity of light is known as:
(A) Apiphobia
(B) Photophobia
(C) Acrophobia
(D) Agoraphobia



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