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Biology · May / June 2020 · Paper 12 · Question 12

5090Biological molecules

The photomicrograph shows part of a section through a root. The contents of Y are tested with Benedict's solution and with iodine solution. Which results are expected?

  1. ABenedict's solution: + ; iodine solution: +
  2. BBenedict's solution: + ; iodine solution: –
  3. CBenedict's solution: – ; iodine solution: +
  4. DBenedict's solution: – ; iodine solution: –

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Correct answer: D. Benedict's solution: – ; iodine solution: –

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