Define electrical conductors with suitable examples.

Define the following terms with suitable examples : Peptization

Define the following terms with suitable examples : Dialysis

Define the following terms with suitable examples : Electrophoresis

Describe vestigial organs with suitable examples.

Define the following terms with a suitable example in each: (i) Broad-spectrum antibiotics. (ii) Disinfectants (iii) Cationic detergents.

Define fragmentation with suitable examples.

What is Sandmeyer reaction ? Illustrate with a suitable example.

Describe modifications of stem with suitable examples.

Eplain briefly the following terms with suitable examples : antheridium

Explain briefly the following terms with suitable examples : sporophyll