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In an experiment to test the presence of...

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

Text Solution

Verified by Experts

The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-MCQ SECTION-Exercise
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  2. A star-shaped figure was cut in the black paper strip used for coveri...

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  3. In an experiment to test the presence of starch in a leaf, the leaf is...

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  4. For the experiment 'Light is necessary for photosynthesis', the potted...

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  5. When asked to set up an experiment to show that 'light is necessary fo...

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  6. The steps taken for setting up an experiment to demonstrate that 'ligh...

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  7. Out of the following figures, choose the one showing the correct proce...

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  8. A leaf of destarched healthy potted plant was covered by black paper s...

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  9. In an experiment to test the presence of starch in a leaf, the plucked...

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  14. In the experiment to show that CO(2) is given out during respiration b...

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  18. The chemical required in the experiment to show that carbon dioxide ga...

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  19. In the experiment to demonstrate that CO(2) is given out during respir...

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  20. The experimental set up shown here to demonstrate thet 'CO(2) is given...

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