In each of the following questions, a statement of Assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Of the statements, mark the correct answer as :
(a) if both A and R are true and R is the correct explanation of A
(b) if both A and R are true but R is not the correct explanation of A
(c) if A is true but R is false (d) if both A and R are false
Assertion : The taxonomic hierarchy includes seven obligate categories viz. Kingdom, Phylum or Division, Class, Order, Family, Genus and Species.
Reason : Subkingdom, Subphylum or Subdivision, Subclass, Suborder, etc are intermediate categories.