The fruit which develops without fertilisation is called:

Parthenocarpic fruit

The correct answer is Option (2) → Parthenocarpic fruit

Parthenocarpy refers to the development of fruit from the ovary of a flower without fertilization, resulting in seedless fruits. Examples include bananas and certain varieties of seedless grapes.

The other terms refer to different concepts:

• True fruit: A fruit that develops from the ovary after fertilization.
• False fruit: The fruit which is developed from any other floral part of the flower along with ovary or without ovary is known as false fruit. For example, in some fruits like apple, strawberry, cashew the edible part of the fruit is the fleshy receptacle/ thalamus.
• Polyembryonic fruit: Refers to fruits that contain multiple embryos in a seed.