Question

Pedicellate bisexual flowers borne acropetally on an elongated peduncle form an inflorescence called.

• A. Spike
• B. Corymb
• C. Raceme
• D. Catkin

Answer 1

The correct option is C Raceme

A. Spike is peduncle having bisexual and sessile flowers. It is a type of racemose inflorescence. Examples are Achyranthes and Adhathoda.

B. A corymb is lower flowers have long pedicels than upper ones so that all the flowers are brought more or less to the same level. The main axis is short. It is a type of racemose inflorescence. Examples are Iberis and Capsella.

C. Raceme is peduncle having bisexual and pedicellate flowers arranged acropetally. It is a type of racemose inflorescence. Examples are Larkspur and radish.

D. Catkin is the pendulous spike in leaf axis which bears unisexual flowers. It is a type of racemose inflorescence. Examples are Morus, birch, and oak.

So, the correct answer is 'raceme'.