A) Umbel is racemose inflorescence where- stalked flower aggregate on a flat receptacle
B) In raceme the main axis is shortened and flowers are borne acropetally
C) Spadix is a pendulous spike with main axis much flattened
D) Spike is a racemose inflorescence having sessile flowers
Correct Answer: D
Solution :
In umbel flowers are arranged centripetally. In raceme flowers are arranged acropetally. Spadix is modification of catkin in which the peduncle is thick and fleshy with upper part steule.
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