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प्रश्न
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.
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उत्तर
- To demonstrate that oxygen is generated during the process of photosynthesis.
- The emission of oxygen gas is a result of the interaction between carbon dioxide and water in the presence of sunlight.
- The bursting of flames from a splinter in close proximity to the test container proves the presence of oxygen.
- Sodium Bicarbonate
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संबंधित प्रश्न
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Why is it not possible to demonstrate respiration in a green plant kept in sunlight?
How would you demonstrate that green plants release oxygen when exposed to light?
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.
Given below is a schematic diagram to illustrate some aspects of photosynthesis.
- Fill up the gaps, in blank spaces (1-4), by writing the names of the correct items.
- What phenomenon do the thick arrows A and B indicate?
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
- Name the phenomenon represented.
- Name any one organism that could be shown at No. 5.
- Name the biological process which was the starting point of the whole chain.
- Name one natural element which all the organisms 2-4 and even 5 are getting from No. 1 for their survival.
Given below is the representation of a certain phenomenon in nature. With four organisms 1-4.
Name any one organism that could be shown at No .5
Where are the chlorophyll pigments present in a cell?
Complete the following sentence with appropriate word:
Carbon dioxide enters the leaf through _______.
