Multiple choice

Custard apple is an example of:

  1. etaerio of drupes

  2. etaerio of berries

  3. etaerio of achenes

  4. etaerio of follicles
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B Correct answer
Explanation

Custard apple (Annona squamosa) fruit is an etaerio of berries - an aggregate fruit formed from multiple carpels where each carpel develops into a small berry-like fruitlet that fuses together. Etaerio of drupes is raspberry, etaerio of achenes is strawberry, and etaerio of follicles is Magnolia.

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