Constable,ASO,SI,RI,ARI,AminConstable ASO previous year General Science questions|ri ari amin si Constable ASO general science questions 2021

 

 SI, CONSTABLE, ASO PRIVIOUS YEAR (2020) GENERAL SCIENCE QUESTIONS

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RI previous year General Science questions

1. These waves cannot be transmitted through vacuum ?

A) Light
B) Sound
C) Heat
D) Electromagnetic

... Answer is B)
Sound "

 

2. Who discovered the battery ?

A) Volt
B) Faraday
C) Maxwell
D) Royentgen

... Answer is A)
Volt "

 

3. Time taken by the sunlight to reach the earth is the ?

A) 5 min. 50 sec.
B) 10 min. 20 sec.
C) 7 min. 30 sec.
D) 8 min. 20 sec.

... Answer is D)
8 min. 20 sec. "

 

4. Plants get water through the root's because of the :

A) Capillarity
B) Viscosity
C) Photosynthesis
D) elasticity

... Answer is A)
Capillarity "

 

 

5. In how many parts is the human brain is divided ?

A) 4
B) 2
C) 5
D) 3

... Answer is D)
3 "

 

6. The total number of ear bones is : 

A) 5
B) 7
C) 6
D) 8

... Answer is C)
6 "

 

 

7. What is the ph of the water ?

A) 4
B) 6
C) 8
D) 7

... Answer is  D)
7 "

 

8. Which is known as Carbolic acid ?

A) Ethanol
B) Methanol
C) Phenol
D) Oxalic acid

... Answer is C)
Phenol "

 

9. The element common to all the acid is :

A) Hydrogen
B) Oxygen
C) Nitrogen
D) None of these

... Answer is A)
Hydrogen "

 

10. Which acid is present in the Apple ?

A) Citric acid
B) Acetic acid
C) Lactic acid
D) Malic acid

... Answer is D)
Malic acid "

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