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प्रश्न
Name two plants having variegated leaves.
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उत्तर
Croton, Coleus and Geranium
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संबंधित प्रश्न
Fill in the blank:
Land plants obtain their carbon dioxide from the ______.
The chemical substance used to test the presence of starch in the cell of a leaf is ______.
Why is it not possible to demonstrate respiration in a green plant kept in sunlight?
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process Guard cells.
Name the following:
Light in which the maximum rate of photosynthesis takes place.
Complete the following sentence with appropriate word:
A light-induced reaction which leads to the splitting of water is _____ of water.
Choose the correct answer:
Chlorophyll is present
Write the overall chemical equation for photosynthesis.
Give reasons/explain:
During the starch test, the leaf is boiled in methylated spirit.
Given below is the diagram of an experimental set-up (final stage). Study the same and answer the following questions:

- What is the main aim of the experiment?
- Oxygen gas shown in the experiment is released from which of the raw materials?
- How would you confirm the presence of oxygen gas?
- Name the chemical substance which can be added in water to enhance the process/rate of release of oxygen gas.
- Draw a neat and labelled diagram of the same experiment for its initial stage.
