HPAS 2013 Prelims Question Paper – Q84
The working principle of a washing machine is:
(A) Centrifugation
(B) Dialysis
(C) Reverse osmosis
(D) Diffusion
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Answer: A
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HPAS 2013 Prelims Question Paper – Q85
An air bubble in water will act like a:
(A) Convex mirror
(B) Convex lens
(C) Concave mirror
(D) Concave lens
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Answer: D
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HPAS 2013 Prelims Question Paper – Q86
Diffusion of light in the atmosphere takes place due to:
(A) Carbon dioxide
(B) Dust particles
(C) Helium
(D) Water vapours
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Answer: B
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HPAS 2013 Prelims Question Paper – Q87
The characteristic odour of garlic is due to:
(A) A chloro compound
(B) A sulphur compound
(C) Acetic acid
(D) A fluorine compound
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Answer: B
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HPAS 2013 Prelims Question Paper – Q88
Which one of the following is an active component of clove oil?
(A) Menthol
(B) Eugenol
(C) Methanol
(D) Benzaldehyde
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Answer: B
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HPAS 2013 Prelims Question Paper – Q89
Which one of the following is not an essential micronutrient for plants?
(A) Boron
(B) Zinc
(C) Sodium
(D) Copper
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Answer: C
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HPAS 2013 Prelims Question Paper – Q90
Fat present below the skin surface in our body, acts as a barrier against:
(A) loss of heat from our body
(B) loss of essential body fluids
(C) loss of salts from the body
(D) entry of harmful micro-organisms from the environment
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Answer: A
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HPAS 2013 Prelims Question Paper – Q91
When ants bite, they inject:
(A) Glacial acetic acid
(B) Methanol
(C) Formic acid
(D) Stearic acid
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Answer: C
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HPAS 2013 Prelims Question Paper – Q92
The “Stones” formed in human kidney consist mostly of:
(A) Calcium oxalate
(B) Sodium acetate
(C) Magnesium sulphate
(D) Calcium alone
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Answer: A
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HPAS 2013 Prelims Question Paper – Q93
Cryogenic engines find applications in:
(A) Submarine propulsion
(B) Frost-free refrigerators
(C) Rocket technology
(D) Researches in super-conductivity
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Answer: C
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HPAS 2013 Prelims Question Paper – Q94
In eye donation, which one of the following parts of donor’s eye is utilized?
(A) Iris
(B) Lens
(C) Cornea
(D) Retina
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Answer: C
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HPAS 2013 Prelims Question Paper – Q95
The major component of honey is:
(A) Glucose
(B) Sucrose
(C) Maltose
(D) Fructose
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Answer: D
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HPAS 2013 Prelims Question Paper – Q96
Arteries supplying blood to the heart are called:
(A) Carotid arteries
(B) Hepatic arteries
(C) Coronary arteries
(D) Pulmonary arteries
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Answer: C
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HPAS 2013 Prelims Question Paper – Q97
What is the average fat content of “Buffalo milk”?
(A) 7.2%
(B) 4.2%
(C) 9.0%
(D) 10.0%
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Answer: A
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HPAS 2013 Prelims Question Paper – Q100
Which one of the following types of glasses can cut-off ultraviolet rays?
(A) Soda glass
(B) Pyrex glass
(C) Jena glass
(D) Croobes glass
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Answer: D
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