( a ) Carnivora that includes animals like tiger, cat and dog is placed in class Mammalia
( b ) Primata comprising monkey, gorilla and gibbon is placed in class Mammalia
( c ) The animal order, Carnivora, includes families like Felidae and Canidae
( d ) Convolvulaceae, Solanaceae are included in the order Polymoniales mainly based on the leaf and stem characters
