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प्रश्न
Tick the most appropriate answer.
Exhaled air contains
पर्याय
more carbon dioxide
more oxygen
more nitrogen
more hydrogen
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उत्तर
more carbon dioxide
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संबंधित प्रश्न
Look at leaves of the same plant on the shady side and compare it with the leaves on the sunny side. Or, compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why?
Short answer question.
Which gas is taken in and which one is given out by the leaf in bright sunlight?
(i) Taken in :
(ii) Given out:
Suppose we compare the leaf with a factory, match the items in Column A with those in Column B.
| Column A | Column B | ||
| Left | Factory | ||
| 1 | Cells in the leaf | a | Raw materials |
| 2 | Chloroplast | b | Power |
| 3 | Sunlight | c | Machinery |
| 4 | Oxygen and water | d | End product |
| 5 | Carbon dioxide and water | e | By product |
| 6 | Glucose | f | Workroom |
State whether the following statement is True or False:
Green plants prepare their food by using two raw materials, oxygen and water.
State whether the following statement is True or False:
Photosynthesis occurs only in chlorophyll-containing parts of the plant.
Attempt any TWO of the following:
Describe ‘any two’ factors affecting the rate of photosynthesis.
Identify true statement regarding light reaction of photosynthesis.
Draw and label the structure of oxysomes.
Process of photosynthesis is ______.
Photorespiration is favoured by :
