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General Science MCQ

General Science MCQ Practice

Practice General Science questions with instant scoring, correct answer highlighting, detailed solutions and first-click AI explanation caching for missing explanations.

📚 Questions: 553 🧭 Page: 56 / 56 🎯 10 per page
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Q. 110
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How many bones are there in each hand of an adult human being?
  • A19
  • B27
  • C37
  • Dnone of these
Correct Option: B  [ 27 ]
8 carpal bones (Wrist).
5 metacarpal bones (Palm).
12 phalanges (Fingers).
02 sesamoid bones at the base of the thumb.
total to 27 bones in each hand.
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Adult Human Body-206,
Q. 54
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What is the scientific name of vitamin A
  • ARetinol
  • BRiboflavin
  • CAscorbic acid
  • DCalciferol
Correct Option: A  [ Retinol ]
Vitamin A is a fat-soluble vitamin that is essential for various biological processes, including vision, immune system function, and skin health.
Q. 13
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Which one of the following has the highest fuel value ?
  • AHydrogen
  • BCharcoal
  • CNatural gas
  • DGasoline
Correct Option: A  [ Hydrogen ]
"Hydrogen" has the highest calorific value among commonly used fuels because it has a very high energy content, undergoes complete combustion, has a high heat of combustion, and can be used in various applications.
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