The rice inflorescence is known as

– Inflorescence is the mode of arrangement of flowers on the floral axis.
-The axis of the inflorescence is known as the peduncle.

-A panicle is a type of branched inflorescence where the branches are further divided into smaller branches, each bearing a flower or a cluster of flowers. This is the characteristic inflorescence structure of rice plants.

📌 Other Options Explanations:
-(b) Spikelets: Spikelets are the basic units of a grass inflorescence, consisting of one or more florets enclosed by two bracts. While rice inflorescence is composed of spikelets, the overall structure is called a panicle.
-(c) Ear: An ear is a type of unbranched inflorescence with sessile (stalkless) flowers attached directly to a central axis, typical of maize (corn).
-(d) Siliqua: A siliqua is a dry, dehiscent fruit found in the Brassicaceae family (e.g., mustard), which splits open to release seeds.
Key point-
 Raceme: Mustard, Radish
 Spike: Wheat, Barley
 Panicle: Rice, Oats
 Umbel: Carrot, Coriander
 Head (Capitulum): Sunflower, Marigold
 Spadix: Maize (Corn), Banana
 Cyme: Onion, Garlic
 Corymb: Candytuft
 Catkin (Ament): Willow, Oak