Which one of the following denote a lsquo true fruit ........

General Science (CDS) Biology

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Which one of the following denote a ‘true fruit?

When only the thalamus of the flower grows and develops into a fruit

When only the receptacle of the flower develops into a fruit

When fruit originates only from the calyx of a flower

When only the ovary of the flower grows into a fruit

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Explanation:

After pollination of the flower, the fertilized ovules develop into seeds while the surrounding ovary wall forms the fruit tissue. So true fruit is developed by ovaries only. A true fruit or eucarp is a mature or ripened ovary, developed after fertilization, e.g., Mango, Maize, Grape etc