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प्रश्न
Distinguish between the following:
Photosynthesis and photophosphorylation.
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उत्तर
| Photosynthesis | photophosphorylation |
| (i) Photosynthesis involves both the light and dark reaction . | (i) photophosphorylation takes place only during light reaction. |
| (ii) It is a complete process in which food/glucose is produced in plants . | (ii) It is a part of photosynthesis in which a molecule of phosphate is added to ADP to form ATP . |
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संबंधित प्रश्न
A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
(i) What aspect of photosynthesis was being tested?
(ii) Why was the plant placed in the dark before beginning the experiment?
(iii) During the starch test, why was the leaf
(1) boiled in water
(2) boiled in methylated spirit
(iv) Write a balanced chemical equation to represent the process of photosynthesis.
(v) Draw a neat diagram of a chloroplast and label its parts.
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
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.
What aspect of photosynthesis was being investigated?
Give some adaptations in green leaf photosynthesis.
What is meant by the photolysis of water?
Complete the following sentence with appropriate word:
4OH ——> _____ + O2
Choose the Correct Answer:
Which one of the following would not be a limiting factor for photosynthesis?
Which one of the following is a primary producer?
In leaves, the food is stored in the form of ______.
What is the end product of photosynthesis?
