Fruit of okra is a (a)Siliqua(b)Capsule(c)Legume(d)Berry

To answer the question, let's go through the types of fruits listed:

Siliqua: This is a type of fruit typically found in plants from the Brassicaceae family (mustard family), such as mustard and cabbage. It is a dry fruit that splits open when ripe.
Capsule: A capsule is a dry fruit that opens in more than two places to release its seeds. Examples include poppies and lilies.
Legume: A legume is a type of fruit that comes from plants in the Fabaceae (pea) family. It is a pod that splits along two seams to release seeds. Examples are beans and peas.
Berry: A berry is a fleshy fruit, typically with many seeds embedded in the flesh. Examples include tomatoes, grapes, and bananas.
Okra, scientifically known as Abelmoschus esculentus, produces a fruit that is a capsule. It is a dry, dehiscent fruit that opens along multiple seams to release seeds.

Thus, the correct answer is:

(b) Capsule