Biology
Physics
Chemistry
Climate change
100
It is only in plants which helps to support the cell and acts as a skeleton for the plant
What is cell wall?
100
A form of energy that travels in waves and can only be detected by the unaided human eye.
What is Light?
100
A reaction when acid and base react to produce salts and water
What is Neutralization?
100
Gases that does not let heat escape from earth's atmosphere are called.
What are Greenhouse Gases?
200
Type of tissue in animals that protects structure.
What is Epithelial tissue?
200
Name the law this diagram proves
What is Law of reflection?
200
Total mass of reaction equals to the total mass of products in any chemical equation.
What is Law of conservation of mass?
200
The layer that protects us from Ultraviolet rays which comes from sun.
What is Ozone layer?
300
Is the tendency of molecules to spread out in order to occupy an available space.
What is Diffusion?
300
The seven colours of visible light(red, orange, yellow, green, blue, indigo, violet).
What is Visible Spectrum?
300
Vinegar is a example of what kind of acid.
What is a example of dilute acetic acid?
300
A acid which forms when nitrogen oxides react with water in a synthesis reaction.
What is Nitric acid?
400
It is a process when all cell parts other than the nucleus are divided between 2 daughter cells.
What is Cytokinesis?
400
Is the change in direction of wave, caused by the change in the wave's speed.
What is Refraction?
400
Substances that produce hydrogen ions when dissolved in water?
What are acids?
400
the gas whose GWP=7600.
What is PFC?
500
Tissue in most plants containing undifferentiated cells.
What is meristematic tissue?
500
Is a property of the medium, and can be used to identify the medium.
What is Index of refraction?
500
A group of atoms that together have gained or lost electrons.
What are Polyatomic Ions?
500
Farmers use this to neutralize their soil.
What is Lime?