(A) 1900
(B) 1960
(C) 1989
(D) 1996
Author:
Solidified form of __ is known as ‘dry ice’.
(A) Amonia
(B) Oxygen
(C) Carbon Dioxide
(D) Chlorine
In steel rod the velocity of sound is?
(A) Minimum
(B) Largest
(C) Moderate
(D) All are correct
Where is the highest radius of earth?
(A) At equator
(B) At tropics
(C) At poles
(D) None of the above
Dactylography is the study of?
(A) Stamps
(B) Finger Prints
(C) Coins
(D) Earth
Copernicus discovered?
(A) Tank
(B) Microsoft
(C) Telescope
(D) Solar System
Glycogen is abundant in?
(A) Birds
(B) Humans
(C) Animals
(D) None of the above
Detergents, untreated sewage and oil are the main cause of?
(A) Water pollution
(B) Air pollution
(C) Earth pollution
(D) None of the above