20 GK Questions and Answers on Everyday Science

GK Questions on Everyday Science

1. Which of the following vitamins is helpful for coagulation of blood  ?
(A) C (B) D (C) E (D) K
Ans : (D)

2. For purifying drinking water, alum is used–
(A) for coagulation of mud particles (B) to kill bacteria
(C) to remove salts (D) to remove gases
Ans : (A)

3. A weather balloon is not fully inflated on the ground because–
(A) if the balloon is fully