What is corrosion?

What is acrosome? What is its function?

What is meant by corrosion of metals?

What is Chloriosis? What is responsible for it?

What is nephrosis? What is the cause of it? What are the symptoms of the disease? What the principle of diet given to a patient of nephrosis.

What is colourblindness? What are the symptoms of thalassemia?

What is dispersion of light? What is cause of it?

What is friction? What is the origin of friction?

What is porins? What role do they play in diffusion?

What is heterosis? What are the uses Is plant breeding?

What is C.O.D. ? What is siltation?