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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
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is Thigmotropism? Give one example.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
The raw materials for photosynthesis include water and carbon dioxide.
Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/term:
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A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to
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.
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Explain briefly the role of the following structures in this process is Stomata.
Give some adaptations in green leaf photosynthesis.
Write the functional activity of the following structure:
Thylakoids
What will happen if we remove the fish from the aquarium and keep it (with green plants) in a dark place?
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