Author:
Deserts plants have thorns, why?
(A) Its natural phenomenon
(B) Avoid absorption of excessive heat
(C) Discourage their being eaten up by the animals
(D) None of the above
Astigmation is corrected by which type of lens?
(A) Convex lens
(B) Concave lens
(C) Spherical lens
(D) Cylindiral lens
Which of the following type of blood is called a universal donor?
(A) A Blood Group
(B) O Blood Group
(C) AB+ Blood Group
(D) None of the above
Which type of blood is known as universal Receipt?
(A) Type A, B
(B) Type A
(C) Type B
(D) None of the above
Blood pressure is measured by which of the following instrument?
(A) Altimeter
(B) Sphygmomanometer
(C) Stethoscope
(D) Hypsometer
How soaps cleans clothes?
(A) It lowers surface tension of the solution
(B) It makes solution very hot
(C) Absorbs dirt from clothes
(D) None of the above
Why it is necessary to take rest after work?
(A) To get cold
(B) To neutralize poisons that is produced during work
(C) To relax to brain
(D) All of the above