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प्रश्न
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
उत्तर
Take a destarched plant. Insert one of its leaves in a conical flask, which contains potassium hydroxide. Leave it in the sunlight. After a few hours, test this and any other leaf of this plant for starch. The leaf which was exposed to the atmospheric air becomes blue-black, and the one in the flask containing KOH does not become blue-black after the iodine test. The experiment showing that CO2 is necessary for photosynthesis.
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संबंधित प्रश्न
Give appropriate biological/technical terms for the following:
An apparatus that measures the rate of water uptake in a cut shoot due to transpiration.
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Expand the following biological abbreviations :
ATP
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What is the importance of photosynthesis in the life of the following:
Non-green plants
Complete the following food chain by writing the names of appropriate organisms in the blank:
Grass → __________ → Lion
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Give technical term:
The form of energy is converted into chemical energy during photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Photosynthesis can also occur n artificial light such as that of a 100-watt electric lamp.
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What is photosynthesis and wherein a cell does occur?
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What is the end product of photosynthesis?
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
