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प्रश्न
A candidate studied the importance of certain factors in photosynthesis. He took a potted plant and kept in the dark for over 24 hours. In the early hours of the next morning, he covered one of the leaves with black paper in the centre only. Then he placed the plant in sunlight for a few hours and tested the leaf which was covered with black paper for starch.
Why was the plant kept in the dark before the experiment?
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उत्तर
Destarching ensures that any starch present after the experiment has been formed under experimental conditions. Therefore, the plant was kept in the dark before the experiment.
संबंधित प्रश्न
Expand the following biological abbreviations: ATP
Complete the following paragraph by filling in the blank (1) to (5) with appropriate words:
To test a leaf for starch, the leaf is boiled in water to (1) _________. It is then boiled in Methylated spirit to (2) ________. The leaf is dipped in warm water to soften it. It is placed in a petri dish, and (3) _____ solution is added. The region of the leaf which contains starch, turns (4) ________and the region while does not contain starch, turns (5) __________.
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Explain the Term Free Energy.
Explain the term Photosynthetic Membrane.
Explain the term Phosphorylation.
The bending of shoot towards light is due to the hormone ______.
Mention four factors required for photosynthesis?
Which of the following is not applicable to the process of photosynthesis?
