Question

Bicollateral vascular bundles are found in

• A. Malvaceae
• B. Cucurbitaceae
• C. Liliaceae
• D. Poaceae

Answer 1

The correct option is B Cucurbitaceae

The Cucurbitaceae family consists of herbaceous climbing and trailing plants. The species are annual or perennial herbs. The vascular bundles in which phloem is found on both sides of xylem is called as bicollateral. Phloem occurs above (external to) the metaxylem and also below (internal to) the protoxylem elements in this type of bundle in stems. This type of vascular bundles are found in plants of familiy Cucurbitaceae, Solanaceae etc.

Collateral vascular bundles are present in plants of Malvaceae and Poaceae.

Concentric amphivasal vascular bundles are present in plants of Liliaceae.

Thus, the correct answer is option B.