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When specimen X is mixed with few drops of iodine solution, the appearance of a...

Biology
JAMB 2001

When specimen X is mixed with few drops of iodine solution, the appearance of a blue-black colour confirms that X is

  • A. galactose
  • B. starch
  • C. sucrose
  • D. glucose
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Correct Answer: Option B
Explanation

The iodine test is a chemical reaction that detects the presence of starch by turning a solution or food blue-black. Speximen X contains starch

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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