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प्रश्न
Name four essentials for photosynthesis.
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उत्तर
Carbon dioxide, water, sunlight and chlorophyll.
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संबंधित प्रश्न
Given below is the overall chemical equation of photosynthesis which is incomplete in certain respects.
\[\ce{CO2 + H2O ->[Chlorophyll] C6H12O6 + H2O + O2} \]
Rewrite the equation in its complete form .
Describe an experiment to prove that sunlight is necessary for photosynthesis.
Enumerate the steps involved in testing a green leaf for the presence of starch.
A leaf is a food factory. Explain.
What is meant by a destarched plant? How can it be destarched?
A candidate in order to study the importance of certain factors in photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning, she covered one of the leaves with black paper in the center only. She placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
- What aspect of photosynthesis was being investigated?
- Is there any control in this experiment? If so, state the same.
- Why was the plant kept in the dark before the experiment?
- Describe step by step how the candidate proceeded to test the leaf for the presence of starch.
Name the following:
In-plant cells, carbohydrates are stored in which form.
Name the following:
The chemical substance used to test the presence of starch in the cell of a leaf.
______ food is made in their green stems.
Can the stem of a plant be compared with a street with two-way traffic? Give reason.
