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  1. The reagent used to test the presence of starch in leaves is
    1. Fehling’s solution
    2. Iodine solution
    3. Million’s reagent
    4. Benedict’s solution
Correct Option: B

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 colour.



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