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JAMB Biology 1982 Question 45

Question 45

Cell Structure and Organisation

In Fig. 1, the structure labelled X is the

Diagram for this question
  1. A.cellulose cell wall
  2. B.plasma membrane
  3. C.nuclear membrane
  4. D.mucilage wall
  5. E.ectoplasm.
Show the answer and explanation

Answer: D (mucilage wall)

Explanation

X is the outermost layer of the Spirogyra filament, the slimy mucilage sheath outside the cellulose wall.