General Science Questions With Answers

71. What does an anemometer measure?

  • A) Humidity
  • B) Rainfall
  • C) Speed of Wind
  • D) Temperature
Answer: Speed of Wind

72. What was the first antibiotic discovered?

  • A) Erythromycin
  • B) Amoxicillin
  • C) Penicillin
  • D) Cephalosporin
Answer: Penicillin

73. Why does the liver get damaged in individuals addicted to alcohol?

  • A) It has to detoxify the alcohol
  • B) It stores excess sugar
  • C) It produces excess enzymes
  • D) It loses blood supply
Answer: It has to detoxify the alcohol

74. What are Freons, which cause environmental damage?

  • A) Fluorocarbons
  • B) Mixed chlorofluoro-hydrocarbons
  • C) Hydrocarbons
  • D) Chlorinated hydrocarbons
Answer: Mixed chlorofluoro-hydrocarbons

75. Which non-metal exhibits a lustrous appearance?

  • A) Iodine
  • B) Phosphorus
  • C) Selenium
  • D) Bromine
Answer: Iodine

76. Who invented the first handheld cellular mobile phone?

  • A) Martin Cooper
  • B) Steve Jobs
  • C) Bill Gates
  • D) Tim Berners-Lee
Answer: Martin Cooper

77. Which principle is associated with optical fibers?

  • A) Diffraction
  • B) Polarization
  • C) Total Internal Reflection
  • D) Dispersion
Answer: Total Internal Reflection

78. What causes the bright colors in firecrackers?

  • A) Reduction of sodium
  • B) Combustion of sulfur
  • C) Oxidation of magnesium
  • D) Decomposition of potassium
Answer: Oxidation of magnesium

79. In the human body, where is urea produced?

  • A) Liver
  • B) Pancreas
  • C) Kidneys
  • D) Spleen
Answer: Kidneys

80. What type of radiation does a laser produce?

  • A) Spontaneous emission
  • B) Diffused radiation
  • C) Incoherent radiation
  • D) Stimulated radiation
Answer: Stimulated radiation
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