List of top Science Questions

The two non-renewable sources of energy are
Which phenomenon exhibited by light is demonstrated in the twinkling of stars ?
Which mirror always forms an image smaller than the object?
The focal length of a concave mirror is
The speed of light in air as compared to vacuum is
Which of the following types of mirror is used in the headlight of a car ?
Which type of mirror is a concave mirror ?
The light rays travel in
The valency of carbon in organic compounds is
Which of the following is saturated hydrocarbon ?
IUPAC name of ethylene is
A group of rays is called
Which was a defect of Mendeleev's periodic table ?
Who among the following propounded the laws of octave ?
Which of the following compounds would be the most basic ?
The shape of methane molecule is
How many isomers of butane are possible ?
The evolution of organisms by natural selection is called
The chemical which shows biomagnification is
Primary consumers are called
CFC is widely used in
The genetic structure of an organism is called
The filament in an electric bulb is made of which of the following metals?
How many calories are there in 1 joule ?
What is the meaning of atavism ?