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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
Distinguish between the following:
Photosynthesis and photophosphorylation.
During photosynthesis, the oxygen in glucose comes from
Name the following:
The first form of food substance produced during photosynthesis.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Immediate product of photosynthesis is glucose.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
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.
What aspect of photosynthesis was being investigated?
Explain the Term Free Energy.
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
______ is positively hydrotropic as well as positively geotropic.
