Biology 5090 · O Level · Biological molecules

Biological molecules — practice question

The graph displays several of the nutrients present in peanuts. A student carried out four food tests on peanuts. Which row gives the results?

  • ABenedict’s test: yellow; biuret test: purple; ethanol emulsion test: white; iodine test: brown
  • BBenedict’s test: black; biuret test: blue; ethanol emulsion test: white; iodine test: black
  • CBenedict’s test: red; biuret test: purple; ethanol emulsion test: clear; iodine test: blue
  • DBenedict’s test: blue; biuret test: blue; ethanol emulsion test: clear; iodine test: brown

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