Question

Inflorescence consisting of sessile bisexual flowers arranged acropetally on an elongated axis is?

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

Answer 1

The correct option is D Spike

A. The spadix is the spike with a fleshy axis and having both male and female flowers. It is surrounded by large colored bracts called spathe. It is a type of racemose inflorescence. An example is palm.

B. Catkin is a pendulous spike in leaf axis which bears unisexual flowers. It is a type of racemose inflorescence. An example is oak.

C. Raceme in which peduncle have bisexual and pedicellate flowers arranged acropetally. It is a type of racemose inflorescence. An example is radish.

D. Spike in which peduncle have bisexual and sessile flowers with the acropetal arrangement. It is a type of racemose inflorescence. An example is Achyranthes.

So, the correct answer is 'Spike'.