Top 50 Science GK Questions and Answers
The main components of Liquid Petrolium Gas (LPG) are?
(A) Ethane, Propane and Butane
(B) Methane, Carbon Monoxide & Hydrogen
(C) Methane, Ethane and Hexane
(D) Methane, Pentane and Hexane
Correct Answer : A
Bronze is an alloy of?
(A) Copper & Lead
(B) Copper & Tin
(C) Copper & Silver
(D) Copper & Zinc
Correct Answer : B
The chemical name of Baking Soda is?
(A) Sodium Bicarbonate
(B) Sodium Hydroxide
(C) Sodium Chloride
(D) Sodium Sulphate
Correct Answer : A
Which one of the following organ is affected by Malaria?
(A) Kidney
(B) Spleen
(C) Heart
(D) Lungs
Correct Answer : B
The major component of Honey is?
(A) Fructose
(B) Sucrose
(C) Glucose
(D) Maltose
Correct Answer : A
The velocity of sound is minimum in?
(A) Air
(B) Iron
(C) Vacuum
(D) Water
Correct Answer : C
The escape velocity of the Earth is?
(A) 15.0 km/sec
(B) 21.1 km/sec
(C) 7.0 km/sec
(D) 11.2 km/sec
Correct Answer : D
Explanation :
1. The lowest velocity used to escape the gravitational pull of the Earth is called escape velocity.
2. The escape velocity of the Earth is 11.2 km/second.
How many bones are present in human ears?
(A) 6
(B) 9
(C) 4
(D) 10
Correct Answer : A
A satellite is kept moving in its orbit around the Earth due to its?
(A) Gravitational Force
(B) None of the Above
(C) Centrifugal Force
(D) Centripetal Force
Correct Answer : D
Which one of the following metal is used with iron to make it rust free?
(A) Chromium
(B) Tin
(C) Alluminium
(D) Carbon
Correct Answer : A
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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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