General science mcqs for all competitive exams
General science mcqs
General science quiz
Q1:- The sun’s mass is mainly consist of :-
- Hydrogen
- Helium
- Nitrogen
- Oxygen
Ans:- Hydrogen
Q2:- The SI unit of charge is :-
- Ampere
- Ohm
- Coulumb
- Volt
Ans:- Coulumb
Q3:- Very High Frequency (VHF) have ______ wavelength.
- Longer
- Longest
- Shorter
- Shortest
Ans:- Shorter
Q4:- Long-sight defect could be corrected by using _______lens.
- Concave
- Diverging
- Convex
- None of the above
Ans:- Convex
Q5:- Deficiency of Vitamin A results in :
- Night blindness
- Rickets
- Scurvy
- Hair fall
Ans:- Night blindness
Q6:- For a mixed mass of gas at constant tempratue, if we decrease volume, the pressure will
- Also decrease
- Increase
- Remains constant
- None of the above
Ans:- Increase
Q7:- The lifespan of red blood cells is _____ days.
- 120
- 60
- 240
- 80
Ans:- 120 days
Q8:- The density of water is
- 1gm/cm3
- 1.5gm/cm3
- 2gm/cm3
- None of the above
Ans:- 1gm/cm3
Q9:- Radioactivity was discovered by
- Kelvin
- Thompson
- Becquerel
- None of the above
Ans:- Becquerel
Q10:- A device which converts chemical energy into electrical energy is called:-
- Motor
- Battery
- Generator
- None of the above
Ans:- Battery
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