Very small time intervals are accurately measured by the _____________?
On which disease did Robert Koch work?
Which natural element has the highest melting point ?
what lenses are used by people having short-sightedness?
At what temperature does silver melt?
Air contains maximum amount of ________________?
Which one of the following gasses is readily soluble in water at room temperature ?
The alloy of aluminium used for making magnet is________________?
One gram of carbohydrates give energy of the amount ?
The major part of natural gas ,petroleum and coal consists of?
In blood ,the percentage of water is _______________?
The major component of honey is_______________?
What is the world's warmest Sea ?
Tocopheroi is the chemical name of which vitamin?
What are Coloumns in Periodic table called ?
Which of the following is used in pencils ?
The average length of the kidney of a man is about?
Adult human brain is about ____________%of the total body weight .
Echo is a _____________of sound ?
When a sinle moon has two full moons,the second moon is called ____________?
The main culprit of greenhouse effect is Carbon diaxide.But which is the second element contribuiting most to greenhouse effect
The study of heavenly bodies is known as ____________?
Wind always blows from area of ____________?
The percentage of Water used for Drinking in the world is?
The hard ,solid rocks whose composition or texture has been changed by heat or pressure in the Earth are called _____________?