Bicollateral vascular bundles are found in family

The correct option is D

Cucurbitaceae

The correct option is D:
Explanation of correct option-

1. Bicollateral vascular bundle is a kind of conjoint vascular bundle in the stem that has only one strand of xylem and two strands of phloem.
2. The Cucurbitaceae family consists of herbaceous climbing and trailing plants.
3. In Cucurbitaceae, the family phloem is found on both sides of the xylem.

Explanation of incorrect option-

Option A-

1. Collateral vascular bundles are present in plants of the Malvaceae family.
2. The arrangement of xylem and phloem bundles jointly in the same radius is referred to as collateral bundles.

Option B-

1. Musaceae family includes bananas as an example.
2. Vascular bundles are not present in this family.

Option C-

1. In the Solanaceae family, the vascular bundle is of collateral type.
2. The arrangement of xylem and phloem bundles jointly in the same radius is referred to as collateral bundles

Final answer: Bicollateral vascular bundles are found in the family Cucurbitaceae