General Knowledge MCQs
750 MCQs is category mein available hain.
All MCQs in General Knowledge
281 In a certain code, each letter of a word is moved 4 step(s) forward in the alphabet, so ‘FAN’ is written as ‘JER’. Using the same code, how is ‘JAM’ written?
A
OFR
B
MDP
C
FWI
D
NEQ
Explanation
Each letter shifts forward by 4 positions 'JAM' -> shift every letter by 4 Result: 'NEQ'
Last verified on 25-09-2026
282 Who proposed the theory of evolution by natural selection?
A
Gregor Mendel
B
Charles Darwin
C
Louis Pasteur
D
Isaac Newton
Explanation
Charles Darwin proposed the theory of evolution by natural selection in his book 'On the Origin of Species' (1859)
Last verified on 25-09-2026
283 Who is credited with significantly improving and popularizing the compound microscope for scientific study?
A
Antonie van Leeuwenhoek
B
Isaac Newton
C
Robert Hooke
D
Galileo Galilei
Explanation
Antonie van Leeuwenhoek greatly improved microscope lenses and was the first to observe microorganisms in detail
Last verified on 25-09-2026
284 In a certain code, each letter of a word is moved 5 step(s) forward in the alphabet, so ‘JAM’ is written as ‘OFR’. Using the same code, how is ‘LEG’ written?
A
GZB
B
RKM
C
QJL
D
PIK
Explanation
Each letter shifts forward by 5 positions 'LEG' -> shift every letter by 5 Result: 'QJL'
Last verified on 25-09-2026
285 Which organ stores bile produced by the liver?
A
Kidney
B
Gallbladder
C
Pancreas
D
Spleen
Explanation
The gallbladder stores and concentrates bile produced by the liver until it is needed for digestion
Last verified on 25-09-2026
286 Who formulated the law of universal gravitation?
A
Albert Einstein
B
Isaac Newton
C
Galileo Galilei
D
Johannes Kepler
Explanation
Isaac Newton formulated the law of universal gravitation, describing the gravitational attraction between masses
Last verified on 25-09-2026
287 Which subatomic particle carries a negative electric charge?
A
Proton
B
Neutron
C
Electron
D
Positron
Explanation
Electrons carry a negative electric charge and orbit the nucleus of an atom
Last verified on 25-09-2026
288 Which vitamin is produced in the skin when exposed to sunlight?
A
Vitamin A
B
Vitamin B
C
Vitamin C
D
Vitamin D
Explanation
The skin synthesizes Vitamin D when exposed to ultraviolet (UV) rays from sunlight
Last verified on 25-09-2026
289 Which body system is primarily responsible for producing hormones?
A
Nervous system
B
Endocrine system
C
Skeletal system
D
Muscular system
Explanation
The endocrine system consists of glands that produce and secrete hormones regulating body functions
Last verified on 25-09-2026
290 What is the SI unit of frequency?
A
Hertz
B
Watt
C
Joule
D
Ohm
Explanation
The Hertz (Hz) is the SI unit of frequency, representing cycles per second
Last verified on 25-09-2026
