hpas 2014 science

HPAS 2014 Science Topic-Wise Solutions

HPAS 2014 Science Topic-Wise Solutions

Question 83

The World’s highest ground based telescopic observatory is located in:

  • (a) Colombia
  • (b) India
  • (c) Nepal
  • (d) Switzerland
Correct Answer: (b) India
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Question 84

The hormone insulin is a:

  • (A) Glycolipid
  • (B) Fatty acid
  • (C) Peptide
  • (D) Sterol
Correct Answer: (C) Peptide
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Question 85

The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by:

  • (A) a decrease in the supply of oxygen
  • (B) minor wear and tear of muscles fibres
  • (C) the depletion of glucose
  • (D) the accumulation of lactic acid
Correct Answer: (D) the accumulation of lactic acid
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Question 86

Which one of the following agricultural practices is eco-friendly?

  • (A) Organic farming
  • (B) Shifting cultivation
  • (C) Cultivation of high yielding varieties
  • (D) Growing plants in glass-houses
Correct Answer: (A) Organic farming
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Question 87

According to the World Health Organization, the disease which causes the death of the largest number of people today is:

  • (A) AIDS
  • (B) Tuberculosis
  • (C) Malaria
  • (D) Ebola
Correct Answer: (B) Tuberculosis
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Question 88

The normal temperature of human body in Kelvin scale is:

  • (A) 280
  • (B) 290
  • (C) 300
  • (D) 310
Correct Answer: (D) 310
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Question 89

The only snake that builds a nest is:

  • (A) Chain viper
  • (B) King cobra
  • (C) Krait
  • (D) Saw-scaled viper
Correct Answer: (B) King cobra
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Question 90

Which one of the following does not contain silver?

  • (A) Horn Silver
  • (B) German Silver
  • (C) Ruby Silver
  • (D) Lunar Silver
Correct Answer: (B) German Silver
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Question 91

Aluminium surfaces are often ‘anodized’, this means the deposition of a layer of:

  • (A) Chromium oxide
  • (B) Aluminium oxide
  • (C) Nickel oxide
  • (D) Zinc oxide
Correct Answer: (B) Aluminium oxide
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Question 92

Which one of the following polymers is widely used for making bullet proof material?

  • (A) Polyvinyl chloride
  • (B) Polyamides
  • (C) Polyethylene
  • (D) Polycarbonates
Correct Answer: (D) Polycarbonates
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Question 93

When a CD compact disc use in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of:

  • (A) Reflection and diffraction
  • (B) Reflection and transmission
  • (C) Diffraction and transmission
  • (D) Refraction, diffraction and transmission
Correct Answer: (D) Refraction, diffraction and transmission
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Question 94

Which one of the following does a TV remote control unit use to operate a TV set?

  • (A) Light Waves
  • (B) Sound Waves
  • (C) Micro Waves
  • (D) Radio Waves
Correct Answer: (D) Radio Waves
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Question 95

The working principle of a washing machine is:

  • (A) Centrifugation
  • (B) Dialysis
  • (C) Reverse osmosis
  • (D) Diffusion
Correct Answer: (A) Centrifugation
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Question 96

A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?

  • (A) It is connected in parallel with the main switch
  • (B) It is made mainly from silver alloys
  • (C) It must have a low melting point
  • (D) It must have a very high resistance
Correct Answer: (C) It must have a low melting point
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Question 97

A simple machine helps a person in doing:

  • (A) Less work
  • (B) the same amount of work with lesser force
  • (C) the same amount of work slowly
  • (D) the same amount of work much faster
Correct Answer: (B) the same amount of work with lesser force
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Question 98

Domestic electrical wiring is basically a:

  • (A) Series connection
  • (B) Parallel connection
  • (C) Combinations of series and parallel connection
  • (D) Series connection within each room and parallel connection elsewhere
Correct Answer: (B) Parallel connection
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Question 99

The most widely used antacid is:

  • (A) Cetrizine
  • (B) Iproniazid
  • (C) Chlorpheniramine
  • (D) Zantac
Correct Answer: (D) Zantac
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Question 100

Which of the following drugs reduces fever?

  • (A) Analgesic
  • (B) Antipyretic
  • (C) Antibiotic
  • (D) Tranquilizer
Correct Answer: (B) Antipyretic
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