MCQ
Pith and cortex belongs to:
  • A
    Epidermis
  • B
    Ground tissue
  • C
    Vascular tissue
  • D
    Bundle sheath

Answer

  1. Ground tissue

Explanation:

In the stem, the pith and the cortex make up the ground tissue.

The pith is located within the cylinder of vascular tissue, where it often exhibits a spongy texture because of the presence of large intercellular air spaces.

If the growth of the pith fails to keep up with that of the surrounding tissues, the pith may degenerate, producing a hollow stem.

In general, roots lack piths, although there are exceptions to this rule. 

In contrast, the cortex, which is located between the epidermis and the vascular cylinder, is present in both stems and roots. 

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