Assertion: Family has a group of related orders and classes.
Reason: Families are characterised on the basis of only vegetative characters not by reproductive characters:

Characterisation of families is done on the basis of:-

Characterisation of families is done on the basis of:-

Write main floral characters of the family Solanaceae.

Name the suffix used for family, order and class

The acidic character of dioxides of members of oxygen family decreases in the order

The acidic character of dioxides of memebers of oxygen family decreases in the order

Assertion: A group of closely related families form an order. Reason: The families of an order show close resemblance in certain fundamental features and also in evolutionary trends