Multiple choice

A compact layer of thin walled cells seen around the vascular bundle of leaf is called as

  1. Bundle cap

  2. Bundle sheath

  3. Endodermis

  4. Starch sheath
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B Correct answer
Explanation

The bundle sheath is a compact layer of thin-walled parenchyma cells that surrounds the vascular bundle in leaves. This sheath encloses both xylem and phloem tissues and plays a crucial role in photosynthesis, especially in C4 plants where it forms the Kranz anatomy. The bundle cap is distinct, endodermis is found in roots, and starch sheath is the innermost cortex layer.

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