Question

Passage cells are characteristic of

• A. Primary endodermis of dicots
• B. Secondary endodermis of monocots
• C. Bundle sheath of leaves
• D. All of the above

Answer 1

The correct option is B Secondary endodermis of monocots

Passage cells forms the endodermis of older roots of monocots. They are thin walled and have casparian strips, unlike the other cells that becomes suberized and waterproof. Passage cells function to allow transfer of solutes into the stele, in order to eventually reach the transpiration system.

Thus, the correct answer is option B.