Question

External protective tissues of plants are_____________

• A. Cortex and epidermis
• B. Pericycle and cortex
• C. Epidermis and cork
• D. Pericycle and cork

Answer 1

The correct option is C Epidermis and cork

• The epidermis is a single layer of cells that covers the leaves, flowers, roots and stems of plants. It forms a boundary between the plant and the external environment.
• Cork cambium is a tissue found in many vascular plants as part of the periderm. The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems.
• The pericycle is a cylinder of parenchyma or sclerenchyma cells that lies just inside the endodermis and is the outer most part of the stele of plants.
• Cortex, in plants, the tissue of unspecialized cells lying between the epidermis (surface cells) and the vascular, or conducting, tissues of stems and roots.

Therefore, the correct answer is option C