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Question
Which of the following is used to remove chlorophyll from the leaves?
Options
Iodine solution
Methylated spirit
Potassium hydroxide
Soda lime
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Solution
Methylated spirit
Explanation:
Boil the leaf in methylated spirit over a water bath till it becomes pale-white due to the removal of chlorophyll.
RELATED QUESTIONS
Complete the following by filling the blanks 1 to 5 with appropriate words/terms/phrases:
To test the leaf for starch, the leaf is boiled in water to ______ (1). It is next boiled in methylated spirit to ______ (2). The leaf is placed in warm water to soften it. It is then placed in a dish and ______ (3) solution is added. The region which contains starch, turns ______ (4) and the region which does not contain starch, turns ______ (5)
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- Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.
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Given alongside is the diagram of an experimental set-up:
What alteration (s) will you make in it for obtaining expected result?
Chlorophyll is necessary for photosynthesis.
Give technical term:
Name the experiment to demonstrate the importance of light for photosynthesis.
Complete the following sentence with appropriate word:
________molecules of chlorophyll make one quantasome.
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.
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- How do we destarch the leaves?
- What will be the observation when we pour iodine solution over the bleached experimental leaf?
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