The third name of the trinomial nomenclature is of

Which of the following are the new taxonomic methods integrated with other branches of biology?

In biological nomenclature,which name of an organism,once used,cannot be used for the naming of any other organism?

$A :$ $A$ group of closely related families forms an order.
$R :$ The families of an order show close resemblance in certain fundamental features and also in evolutionary trends.

Which of the following is $NOT$ true for a species?

Identify the correct sequence of taxonomic categories from Kingdom to Species.