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The main function of 4 is to

Biology
JAMB 1983

The main function of 4 is to

  • A. surround inner tissues
  • B. produce cork
  • C. produce root hairs
  • D. produce lateral roots
  • E. produce more of 3
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Correct Answer: Option A
Explanation

The part labelled 4 is the pericycle (See diagram above).

The major function of the pericycle in the stem is to surround and protect the inner tissues, specifically the vascular bundles (xylem and phloem). The pericycle is part of the vascular system and helps to support and protect these vital tissues. 

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