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प्रश्न
Which of the following is used to remove chlorophyll from the leaves?
विकल्प
Iodine solution
Methylated spirit
Potassium hydroxide
Soda lime
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उत्तर
Methylated spirit
Explanation:
Boil the leaf in methylated spirit over a water bath till it becomes pale-white due to the removal of chlorophyll.
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संबंधित प्रश्न
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
Given alongside is the diagram of an experimental set-up:
Would you take any step before starting the experiment? Describe this step and explain its necessity.
Chlorophyll is necessary for photosynthesis.
Chloroplasts are called energy converters.
ATP is needed for the dark reaction.
Complete the following sentence with appropriate word:
________ are regarded as complete photosynthetic units of plants.
Complete the following sentence with appropriate word:
Carbon dioxide enters the leaf through _______.
Choose the Odd One Out
Given below is the figure of an experimental set-up, showing a physiological act of the plants. Study and answer the following questions:
- What is the objective of this experiment?
- Name and define the process shown here.
- Why do we destarch the leaves before performing the experiment?
- How do we destarch the leaves?
- What will be the observation when we pour iodine solution over the bleached experimental leaf?
- Write a well-balanced equation for the above process.
