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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.
Choose the correct answer:
The process of photosynthesis occurs by _________
Give technical term:
What does ATP abbreviate for?
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
Choose the correct option.
For fixing one molecule of CO2 in Calvin cycle _______ are required.
To which directional stimuli do
- roots respond
- shoots respond?
Why should the light-dependent reaction occur before the light-independent reaction?
Give an example for micronutrients.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
