Question

Conjoint closed vascular bundles, pith, and phloem parenchyma are absent and hypodermis is sclerenchymatous in

• A. Monocot root
• B. Monocot stem
• C. Dicot root
• D. Dicot stem

Answer 1

The correct option is B

Monocot stem

The correct option is B.

Explanation for correct option:

1. In the monocot stem, pith and phloem parenchyma is absent.
2. The hypodermis is sclerenchymatous.
3. Several vascular bundles are scattered in the ground tissue.

Explanation for incorrect options:

Option A:

1. In monocot root, phloem and xylem bundles are arranged in a circular manner around the central pith which comprises ground tissue that is parenchymatous.

Option C:

1. In the dicot root, parenchyma is present between phloem and xylem and is called conjunctive tissue.

Option D:

1. In the dicot stem, the pith is composed of parenchymatous cells.
2. The pith is surrounded by a ring of vascular bundles which contain phloem and xylem.

Final answer: Conjoint closed vascular bundles, pith, and phloem parenchyma are absent and hypodermis is sclerenchymatous in monocot.