Common General Knowledge Quiz Questions

Common General Knowledge

Q:9 Which one of the following types of waves is used in a night vision apparatus?

(A) Radio waves 

(B) Microwaves

(C) Infra-red waves         

(D) None of the above

Q:10 The blue color of the clear sky is due to

(A) Diffraction of light     

(B) Dispersion of light

(C) Reflection of light

(D) Refraction of light

Q:11 As you go down into a well, your weight

(A) increases slightly       

(B) decreases slightly

(C) remains exactly the same      

(D) None of the above

Q:12 The weight of an object will be minimum when it is placed at?

(A) The North Pole           

(B) The South Pole

(C) The Equator 

(D) The center of the Earth

Q:13 In fireworks, the green flame is produced because of

(A) Sodium

(B) Potassium

(C) Barium           

(D) Mercury

Q:14 Which of the following is used in pencils?

(A) Silicon            

(B) Phosphorous

(C) Graphite       

(D) Charcoal

Q:15 What does airbag, used for the safety of car driver, contain?

(A) Sodium bicarbonate 

(B) Sodium azide

(C) Sodium nitrite             

(D) Sodium peroxide

Q:16 A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

(A) O positive     

(B) A positive

(C) B positive      

(D) Cannot be determined on the basis of the given data

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