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Top 50 Science GK Questions and Answers

5 months ago 12.0K Views
Q :  

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

Q :  

Bronze is an alloy of?

(A) Copper & Lead

(B) Copper & Tin

(C) Copper & Silver

(D) Copper & Zinc

Correct Answer : B

Q :  

The chemical name of Baking Soda is?

(A) Sodium Bicarbonate

(B) Sodium Hydroxide

(C) Sodium Chloride

(D) Sodium Sulphate

Correct Answer : A

Q :  

Which one of the following organ is affected by Malaria?

(A) Kidney

(B) Spleen

(C) Heart

(D) Lungs

Correct Answer : B

Q :  

The major component of Honey is?

(A) Fructose

(B) Sucrose

(C) Glucose

(D) Maltose

Correct Answer : A

Q :  

The velocity of sound is minimum in?

(A) Air

(B) Iron

(C) Vacuum

(D) Water

Correct Answer : C

Q :  

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.


Q :  

How many bones are present in human ears?

(A) 6

(B) 9

(C) 4

(D) 10

Correct Answer : A

Q :  

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

Q :  

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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