Everyday Science MCQs

5120 MCQs  (Page 478 of 512)

Of the following the ray with highest penetrating power is:
A. Alpha rays
B. Beta rays
C. Gamma rays
D. Ultraviolet rays
The speed of sound in air at sea level is approximately?
A. 300 meter per second
B. 315 meter per second
C. 340 meter per second
D. 362 meter per second
For sending sound waves at a large distance, which waves are used?
A. Infra red waves
B. X radio waves
C. Light waves
D. X-waves
In which direction does the Earth rotate around its axis?
A. North to south
B. East to west
C. West to east
D. Randomly
What is the function of White Blood Cells (WBCs) ?
A. Transport of oxygen
B. Fight against germs
C. Involved in blood clotting
D. All of these
A Fuse wire (Fuse) is used to:
A. To strengthen an electrical
(8) convert dc into ac
C. Convert dc into ac
D. Prevent damage due to unusually high voltage
Molasses is byproduct of ?
A. Sugar
B. Salt
C. Protein
D. None