Science Quiz Questions

 

1. The change in the focal length of human eye is caused due to__.

a) Pupil
b) Ciliary muscles
c) Cornea
d) Iris

Answer (b) Ciliary muscles

 

2. Which coloured light bends the most while passing through a prism ?

a) Red
b) Violet
c) Yellow
d) Blue

Answer (b) Violet

 

3. What instrument detects the presence of electric current in a circuit ?

a) Motor
b) Generator
c) Seismograph
d) Galvanometer

Answer (d) Galvanometer

 

4. The disease caused by the deficiency of iodine is___.

a) Chicken pox
b) Anaemia
c) Goiter
d) Jaundice

Answer (c) Goiter

 

5. Which method is used to obtain pure salt from impure salt ?

a) Magnetization
b) Condensation
c) Crystallization
d) Evaporation

Answer (c) Crystallization

 

6. Which acid is secreted in the human stomach?

a) Sulfuric acid
b) Nitric acid
c) Hydrochloric acid
d) Acetic acid

Answer (c) Hydrochloric acid

 

7. The PH of pure water is___.

a) 7
b) 4.5
c) 6
d) 3.5

Answer (a) 7

 

8. Diseases like polio and chicken pox are caused by___.

a) Virus
b) Bacteria
c) Worms
d) Algae

Answer (a) Virus

 

9. The pores in bread is due to the gas bubbles of____.

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Nitrogen dioxide

Answer (c) Carbon dioxide

 

10. The coating on modern non stick cookware and electric iron is of___

a) Teflon
b) Fermium
c) Mercury
d) Copper

Answer (a) Teflon