Top 500 General Science GK Questions
ECG is used to study the disease related to ________.
(A) Blood
(B) Kidney
(C) Heart
(D) Brain
Correct Answer : C
Optics is the study of:
(A) Atmosphere
(B) Nature & Properties of light
(C) Insects
(D) Disease
Correct Answer : B
The pH of acid rain is
(A) More than 8
(B) 7
(C) Less than 5.5
(D) None
Correct Answer : C
How many bones are found in children?
(A) 206
(B) 300
(C) 304
(D) 305
Correct Answer : B
X-rays are _________ waves.
(A) Transverse
(B) Longitudinal
(C) Elastic
(D) Electromagnetic
Correct Answer : D
Light year is a unit of
(A) Time
(B) Distance
(C) Speed of light
(D) Intensity of light
Correct Answer : B
A liquid disturbed by stirring comes to rest due to
(A) density
(B) surface tension
(C) viscosity
(D) centripetal force
Correct Answer : C
Which among the following is used to dilute oxygen in the gas cylinders used by divers?
(A) Krypton
(B) Argon
(C) Helium
(D) Neon
Correct Answer : C
The release of which of the following into ponds and wells helps in controlling mosquitoes?
(A) Snail
(B) Crab
(C) Dogfish
(D) Gambusia fish
Correct Answer : D
Which gas is present in biogas in large percentage?
(A) Moisture (H2O)
(B) Carbon dioxide (CO2)
(C) Methane (CH4)
(D) Hydrogen sulphide (H2S).
Correct Answer : C
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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