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BIOLOGY

JAMB 2005 - Question 14

Biology 2005 JAMB Past Questions - Question 14: In the root vascular system, the stele is directly surrounded by the

Choose the most appropriate option for the gap .

In the root vascular system, the stele is directly surrounded by the

A: pericycle

B: cortex

C: endodermis

D: parenchyma Use

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Correct Answer

Explanation

The transverse section of a root shr that itconsists of inner central cylinder or stele and an outer cylinder. the endodermissurrounds the stele an: made up of a single layer of barrel shaped cells which areclosely pack; without any inter-cellular space. Tht cells have thickened wallsand form a ring round the stele. The stele is made up of the cortex, pericycle andvascui: tissues.