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NTA Abhyas NEET2020BotanyAnatomy of Flowering PlantsPractice

Select the INCORRECT statement regarding the anatomy of a typical monocotyledonous stem

Options

  1. APhloem parenchyma is absent.
  2. BVascular bundles are scattered, conjoint, collateral and closed.
  3. CEach vascular bundle is surrounded by a bundle sheath.
  4. DGround tissue is differentiated into cortex, endodermis, pericycle and pith.

Correct answer

D. Ground tissue is differentiated into cortex, endodermis, pericycle and pith.

Step-by-step solution

Monocotyledons are the plant group of Angiosperms that have one embryonic leaf (cotyledon) in their seed. The stem of monocot is quite different from that of a dicot. The stem has no cambium, as a result, secondary growth is absent. The vascular bundles in it are scattered unlike in dicot. They are also conjoint, collateral, and closed. The hypodermis of monocot stem is made of sclerenchymatous tissue and the vascular bundles are surrounded by bundle sheath of the same tissue. In it, phloem parenchyma is absent. Gr

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