Railway group d science questions 4

RRB GROUP D SCIENCE QUESTIONS 4

 1. A flying Aeroplane has?

 
 
 
 

 2.A gene is a?

 
 
 
 

3. When SO2 dissolves in water the acid formed is

 
 
 
 

4. Impulse is a ?

 
 
 
 

5. The largest part of the human brain is the ?

 
 
 
 

6. BCG vaccine provides protection from ?

 
 
 
 

7. The law which defines force is ? 

 
 
 
 

8. Which of the following is not a chemical change?

 
 
 
 

9. Artificial purification of blood is

 
 
 
 

10. Who discovered circulation of blood in human body?

 
 
 
 

11. What is found in hard water?

 
 
 
 

12.Which of the following lenses is used to correct short sightedness?

 
 
 
 

13. If the momentum of a body is doubled, the kinetic energy ?

 
 
 
 

14. Material used for coating the electrode is called ?

 
 
 
 

15. Heat flows as a result of difference of ?

 
 
 
 

16. Piston rings are generally made of ?

 
 
 
 

17. A temperature difference of 27C on the Kelvin scale is ?

 
 
 
 

18. Muscle fatigue is caused by the accumulation of?

 
 
 
 

19. Hypermetropia or longsight can be corrected by using ? 

 
 
 
 

20. Which one of the following has the highest value of specific heat ?

 
 
 
 

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