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प्रश्न
(i) Fill in the blanks in the following equations of two chemical reactions:
(a) \[\ce{---+12H2O->[Light energy]C6H12O6 + --- + ----}\]
(b) \[\ce{--- 6O2->[Chlorophyll] 6 --- +6 ---- + Energy}\]
(ii) Name the two processes represented by the above two reactions.
(iii) State any two differences in these processes other than those already indicated in the reactions.
(iv) Which one of these two reactions is the supporter of all life on earth?
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उत्तर
(a) \[\ce{6CO2 + 12H2O ->[Sunlight][Chlorophyll] C6H12O6 + 6O2 + 6H2O}\]
(b) \[\ce {C6H12O6 + 6O2 -> 6CO2 + 6H2O} + Energy\]
(ii) Photosynthesis and respiration.
(iii) Difference between Photosynthesis and respiration :
| Photosynthesis | Respiration |
| (a) It is an anabolic process . | (a) It is a catabolic process . |
| (b) It results in a gain in dry mass. | (b) It results in a loss in dry mass . |
(iv) Photosynthesis
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संबंधित प्रश्न
A potted destarched plant was taken in order to prove that light is necessary for photosynthesis.
(i) What is meant by 'destarched plant'? How can it be destarched?
(ii) Using the destarched plant describe step by step how you would proceed to prove that in the absence of light the leaf cannot manufacture starch.
Identify the false statements and rewrite them correctly by changing the first or last word only.
Starch produced in a leaf remains stored in it for 2-3 weeks before it is used by other parts of the plant.
Using the destarched plant describe step by step how would you proceed to prove that in the absence of light the leaf cannot manufacture starch?
Name the following:
In-plant cells, carbohydrates are stored in which form.
Name the following:
The chemical substance used to test the presence of starch in the cell of a leaf.
The gas given out during photosynthesis is _____.
How does the light-dependent reaction differ from the light-independent reaction? What are the end product and reactants in each? Where does each reaction occur within the chloroplast?
Name two raw materials for photosynthesis.
Name four essentials for photosynthesis.
Write the exact location of palisade cells.
