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Pineapple (ananas) fruit develops from

1. a multipistillate syncarpous flower
2. a cluster of compactly borne flowers on a common axis
3. a multicarpellary monocarpellary flower
4. a unilocular polycarpellary flower

Correct answer: a cluster of compactly borne flowers on a common axis

Solution

Pineapple is a multiple fruit (composite fruit) formed from an entire inflorescence, where many closely packed flowers develop together on a common axis. The edible fruiting structure is therefore not from one flower’s ovary alone.

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