The black dots that cover strawberries are actually individual fruits. The fleshy and tasty portion of a strawberry derives from the receptacle of a flower with many separate carpels. Therefore, a strawberry is .
A) both a multiple fruit and an aggregate fruit
B) both a multiple fruit and an accessory fruit
C) both an aggregate fruit and an accessory fruit
D) a simple fruit with many seeds

C) both an aggregate fruit and an accessory fruit

Explanation:

When several flower ovaries or receptacle of a flower with many separate carpels joins together they form aggregate fruit. Each ovary has a single ovule that converts into a seed after fertilization.

Aggregate fruit can be formed without the involvement of accessory parts called true aggregate fruit or with the involvement of additional floral parts called accessory aggregate fruit. Strawberry is also an accessory aggregate fruit because the different ovaries in the strawberry develops into achenes over the surface of flower receptacles.

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