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Boojho wanted to test the presence of st...

Boojho wanted to test the presence of starch in leaves. He performed the following steps.
He took a leaf and boiled it in water.
He did not get the expected result. Which step did he miss? Explain.

Text Solution

AI Generated Solution

To determine the presence of starch in leaves, Boojho needs to follow a specific procedure. Here’s a step-by-step text solution based on the information provided: ### Step-by-Step Solution: 1. **Understanding the Objective**: Boojho wants to test for the presence of starch in a leaf. Starch can be detected using the iodine test. 2. **Boiling the Leaf**: Boojho boiled the leaf in water. This step is important to soften the leaf, but it does not remove chlorophyll, which is necessary for the test. ...
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Knowledge Check

  • In an experiment to test the presence of starch in a leaf, the plucked leaf is first boiled in water for a few minutes. This is an important step in the experiment because it:

    A
    converts glucose made in the leaf into starch
    B
    dissolves chlorophyll present in the green leaf
    C
    extracts starch to destarch the leaf
    D
    makes the leaf more permeable to iodine solution

  • In an experiment to test the presence of starch in a leaf, the leaf is boiled in alcohol for a few minutes using a water bath. This is an essential step in the experiment because alcohol:

    A
    softens the leaf
    B
    disinfects the leaf
    C
    allows iodine to enter the leaf
    D
    dissolves chlorophyll from leaf

  • His intelligence was ______ by his shy nature. He did not get the merit he deserved.

    A
    obscured
    B
    lost
    C
    shown
    D
    revealed

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