Q.In family Compositae (Asteraceae), the inflorescence is a capitulum made up of:

The capitulum (head) of family Compositae is a crowded inflorescence of many small sessile florets seated on a common, flattened or slightly convex receptacle, surrounded by a whorl of protective bracts (involucre). Two kinds of florets typically make up the head: peripheral ray florets, which are zygomorphic, ligulate and usually unisexual (female) or sterile, and central disc florets, which are actinomorphic, tubular and bisexual -- exactly as sunflower or marigold shows. Options (a) and (b) each describe only half of this arrangement, and option (d) wrongly describes the cap …

Recall that a capitulum is an inflorescence (not one flower) made of two distinct floret types arranged concentrically -- ray floret …

• Mistaking the capitulum for a single flower rather than a tightly packed inflorescence of many florets. …