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प्रश्न
Explain the term Plastoquinone.
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उत्तर
Plastoquinone: A small molecule involved in electron and proton transfer in photosynthesis.
संबंधित प्रश्न
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow:
- Name the physiological process occurring in the green plant that has kept the mouse alive.
- Explain the physiological process mentioned above.
- Why did the mouse die in bell jar B?
- What is the significance of the process as stated in (i) for life on earth?
- Represent the above mentioned physiological process in the form of a chemical equation.
Name the following:
The process of conversion of ADP into ATP during photosynthesis.
Match the terms of column I with those in column II:
| Column I | Column II |
| (i) Stomata closed | (a) decomposers |
| (ii) Autotrophs | (b) light reaction |
| (iii) By-products of photosynthesis | (c) animals |
| (iv) Photolysis | (d) during night |
| (v) Bacteria and fungi | (e) green plants |
| ( f) oxygen |
Name the following:
The organisms that can be called "natural purifiers" of the air.
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
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?
What is the importance of photosynthesis in the life of the following:
Non-green plants
What is the law of limiting factors?
Oxygen is used for the synthesis of protein and fertilizers.
A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to ______.
