Select the total number of family from the following.

Felis, Felidae, Solanaceae, Liliaceae, Canidae, Hominidae, Poaceae, Muscidae, Insecta, Convolvulaceae.

Select the incorrect statement from the following.

(A) NBRI is situated at Lucknow.

(B) Plant families like Convolvulaceae and Solanaceae are included in the order Polemoniales mainly based on the floral characters.

(C) All living organisms, such as present past and future, are linked to one another by the sharing of common genetic material but to varying degrees.

(D) Order Solanum, Datura and Petunia are placed in the family Solanaceae.

Which of the following is less general in characters as compared to genus?