Q.

The reagent used to test the presence of starch in leaves is –

A. Fehling's solution
B. Iodine solution
C. Million's reagent
D. Benedict's solution
Answer» B. Iodine solution
Explanation: The Iodine test is used to test for the presence of starch. Iodine solution — iodine dissolved in an aqueous solution of potassium iodide — reacts with the starch producing a purple black color.
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