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प्रश्न
A plant is kept in a dark cupboard for 48 hours before conducting any experiment on photosynthesis in order to
पर्याय
remove chlorophyll from leaves
remove starch from the leaves
ensure that no photosynthesis occurred
ensure that the leaves are free from starch
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उत्तर
ensure that the leaves are free from starch
संबंधित प्रश्न
Briefly explain the following terms: Photophosphorylation
Define the following:
Quantum
Distinguish between the following:
Photosynthesis and photophosphorylation.
During photosynthesis, the oxygen in glucose comes from
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Give technical term:
In photosynthesis radiant energy is converted into which from?
Write the functional activity of the following structure:
Chloroplasts
Higher Order Thinking Skill.
Imagine that student A studied the importance of certain factors in photosynthesis. He took a potted plant and kept it in dark for 24 hours. In the early hours of the next morning, he covered one of the leaves with dark 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?
- Why was the plant kept in the dark before the experiment?
- How will you prove that starch is present in the leaves?
- Name the raw materials needed for photosynthesis.
When iodine solution is added for testing starch, part of the leaf with ______ turns a blue-black color.
Draw the structure of the stomata and label the parts.
