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Everyday Science Most Important MCQs Five

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Rate of evaporation of petrol is greater than that of water at room temperature because:
  • A. Petrol molecules do not have any hydrogen bond
  • B. Petrol is an organic compound
  • C. Water molecules have small size
  • D. Petrol molecules have greater size
“Each electron in an atom must have its own unique set of quantum numbers” is a statement of ________?
  • A. Aufbau principle
  • B. Pauli exclusion principle
  • C. Hund’s rule
  • D. Periodic law
Rainfall related to mountains is:
  • A. Orographic rainfall
  • B. Normal rainfall
  • C. Monsoon rains
  • D. Cyclonic rainfall
The Stevenson screen contains all of these EXCEPT:
  • A. Wet bulb thermometer
  • B. Maximum thermometer
  • C. Ordinary thermometer
  • D. Anemometer
“Rancidity produced in butter can be decreased by adding quinoline to the butter”. This statement shows that ________?
  • A. Nothing is impossible
  • B. Quinoline is an inhibitor
  • C. Quinoline is a catalyst
  • D. Quinoline is a base
What kind of soil is treated with gypsum to make it suitable for cropping ________?
  • A. Alkaline
  • B. Acidic
  • C. Waterlogged
  • D. Soil with excessive clay content
The Virus of AIDS affects the growth of ________?
  • A. Hemoglobin
  • B. RBCs in blood
  • C. T cells in blood
  • D. Grey cells in blood
Which one is the world’s largest mangrove forest(s)?
  • A. Changa Manga Forest
  • B. Amazon Forest
  • C. Sundarbans Forest
  • D. None of the above
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