General Science MCQ-42

Science KPSC,UPSC,IBPS,SBI,IAS Prelims,Railways,SSC,NCERT,CBSE



Cloudy nights are warmer because:

 
 
 
 

Which of the following pair is incorrect?

 
 
 
 

Which of the following metal is used in aircraft?

 
 
 
 

When milk is churned, the cream from it is separated due to:

 
 
 
 

During rusting:

 
 
 
 

When water boils, its temperature:

 
 
 
 

Water has maximum density at:

 
 
 
 

The terminal colours of the rainbow are:

 
 
 
 

Rate of evaporation does not depend upon:

 
 
 
 

Optical fiber works on the principle of:

 
 
 
 

Astronauts in a Capsule which is in a stable orbit around the earth are in weightless conditions. The reason of this is that:

 
 
 
 

During a journey from the Earth to the Moon and back, the maximum fuel is used up in order to overcome:

 
 
 
 

Under similar condition, in which of the following gases will the speed of sound be minimum?

 
 
 
 

Match List I with List II.
List I—————–List-II

A. Carbon Dioxide 1. Reducing Agent
B. Chlorine 2. Anaesthetic in dentistry
C. Hydrogen 3. Bleaching powder
D. Nitrous Oxide 4. Refrigerant

Code:
A B C D

 
 
 
 

Match List I with List II:
List I List II

A. Acetic Acid 1. Milk
B. TannicAcid 2. Proteins
C. AminoAcid 3. Tea
D. Lactic Acid 4. Vinegar

Code:
A B C D

 
 
 
 

Brass is an alloy of:

 
 
 
 

Which of the following is likely to be a pollutant free alternative to petrol for automobiles?

 
 
 
 

Photosynthesis takes place faster in:

 
 
 
 

The onion is a modified form of:

 
 
 
 

The region of a stem from which the leaf springs is called the: