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प्रश्न
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
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उत्तर
Boiling the leaf in methylated spirit removes chlorophyll, therefore it turns pale-white. The leaf is now brittle and stiff.
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संबंधित प्रश्न
Name the following:
The main mineral constituent of chlorophyll.
Given alongside is the diagram of an experimental set-up:
- What is the objective of this experiment?
- Will it work satisfactorily? Give reason.
- What alteration(s) will you make in it for obtaining expected result?
- Would you take any steps before starting the experiment? Describe this step and explain its necessity.
Given alongside is the diagram of an experimental set-up:
Will it work satisfactorily? Given reason.
Chlorophyll is necessary for photosynthesis.
ATP is needed for the dark reaction.
Name the following:
The green colouring matter of the plants.
Name the following:
Light in which the maximum rate of photosynthesis takes place.
Give technical term:
Name only one plant, you are familiar with which has no chlorophyll.
Complete the following sentence with appropriate word:
Carbon dioxide enters the leaf through _______.
Choose the Correct Answer:
The main difference between chlorophyll ‘a’ and ‘b’ is:
