What do you understand by pitch of sound ?

What do you understand by gene ?

What do you understand by principle of superposition ?

What do you understand by pericarp and perisperm?

What do you understand by the following terms (i) roasting (ii) smelting

What do you understand by phenotype and genotype? Explain by giving an example.

What do you understand by the following statements ? enthalpy of combustion of carbon disulphide is = -1065.2 kJ.

What do you understand by the following statements ? enthalphy of formation of nitric oxide is +9.7 kJ.

What do you understand by fertilisation ?

What do you understand by food poisoning?

Write do you understand by silicones?