JAMB Biology 2010 Objective — Question 16
Question 16 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2010 Objective paper, with the correct answer and a full explanation.
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When a mixture of a food substance and Benedict's solution was warmed, the solution changed from blue to brick-red. This indicates the presence of
- A. reducing sugarCorrect
- B. fatty acid
- C. sucrose
- D. amino acid
Explanation
A brick-red precipitate with Benedict's solution on warming confirms the presence of a reducing sugar (e.g. glucose).
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