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Which of the following materials is not a living semi-permeable membrane?

Which of the following materials is not a living semi-permeable membrane?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Pig's bladder
  • B Unripe pawpaw fruit
  • C Yam tuber
  • D Sheet of cellophane
Correct Answer: Option B
Explanation:
Semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by osmosis. There are two examples of semi-permeable membrane, which are non-living and living semi-permeable membrane. Examples of non-living semi-permeable membrane which are permeable to water but not solvent e.g copper sulphate solution are visking tube, parchment and cellophane.

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