Water covers more than
Water covers more than
90% of the surface of the Earth | |
80% of the surface of the Earth | |
70% of the surface of the Earth | |
60% of the surface of the Earth |
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Percentage of fresh water on the Earth is.
Percentage of fresh water on the Earth is.
Only Four | |
Only one | |
Only Two | |
Only Three |
A water molecule has.
A water molecule has.
Five atoms | |
Three atoms | |
Five atoms | |
Four atoms |
Energy atom is composed of fundamental particles which are.
Energy atom is composed of fundamental particles which are.
Five | |
Two | |
Three | |
Four |
Water coming out of a natural spring way contain
Water coming out of a natural spring way contain
Carbon | |
Oxygen | |
Nitrogen | |
Sulphur |
Fuel that we use to run vehicles known as.
Fuel that we use to run vehicles known as.
Fertilizer | |
Liquid fertilizer | |
Manure | |
Hydrocarbons |
The splitting of white light into its constituent colours in known as.
The splitting of white light into its constituent colours in known as.
Refraction | |
Total internal Reflection | |
Dispersion | |
Reflection |
Transfer of Heat , direct from burner to beaker is called process of.
Transfer of Heat , direct from burner to beaker is called process of.
Convection | |
Motion | |
Conduction | |
Rotation |
Unit of electrical power is.
Unit of electrical power is.
Metres | |
Ampere | |
Volt | |
Watt |
Two upper chambers of heart called.
Two upper chambers of heart called.
Atria | |
Valves | |
Aorta | |
Ventricles |
Sound waves travel most quickly through.
Sound waves travel most quickly through.
Air | |
Solids | |
Liquids | |
Gases |
Oxygenated blood from the body enters the
Oxygenated blood from the body enters the
Left ventricle | |
Right ventricle | |
Right atrium | |
Left atrium |
Atomic mass of tritium is
Atomic mass of tritium is
1 | |
2 | |
3 | |
4 |
Ventricles of our heart are.
Ventricles of our heart are.
Larger than the valves | |
Larger than the atria | |
Smaller than the valves | |
Smaller than the atria |
Organisms of the same kind living and reporoducing in particular area is called.
Organisms of the same kind living and reporoducing in particular area is called.
Population | |
Community | |
Village | |
Habitat |
Bright star may appear dimmer than other because they are.
Bright star may appear dimmer than other because they are.
Older | |
Closer to the Earth | |
Further away | |
Younger |
Kinds of Habitats are
Kinds of Habitats are
Eight | |
Six | |
Four | |
Two |
Which of the following objects does not refract light?
Which of the following objects does not refract light?
Camera | |
Hand lens | |
Mirror | |
Microscope |
The reverse process of peristalsis:
The reverse process of peristalsis:
blood circulation | |
burning | |
breathing | |
vomiting |
Number of chambers in our heart is.
Number of chambers in our heart is.
Four | |
Three | |
Two | |
Six |