Q. Collenchyma occurs in the stem and petioles of

 1851  197 AIPMTAIPMT 1990Anatomy of Flowering Plants Report Error

Solution:

Collenchyma occurs in climbing stems. Collenchyma occurs in the stem and petioles of dicot herbs. Due to deposition of pectin, it has high water retaining capacity. Since pectin appears at the angles, it becomes a spongy tissues. The collenchyma is a mechanical tissue which gives tensile strength to the plant.