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प्रश्न
Where does the carbon that is used in photosynthesis come from?
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उत्तर
The carbon that is used in photosynthesis comes from CO2 from the air.
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संबंधित प्रश्न
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
What will you observe in the experimental leaf after the starch test?
Describe an experiment to prove that sunlight is necessary for photosynthesis.
The following statement is about photosynthesis in a green plant. Write whether it is True or False.
A variegated leaf (one that has white as well as green patches) will only photosynthesize in the green areas.
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?
Name the following:
The immediate product of photosynthesis.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with the suitable idea given in Column ‘I’.
| Column I | Column II | ||
| (i) | Grana | (a) | Decomposers |
| (ii) | Autotrophs | (b) | Light reaction |
| (iii) | By-products of photosynthesis | (c) | Animals |
| (iv) | Photolysis | (d) | Oxygen |
| (v) | Bacteria and fungi | (e) | Stimulated by light |
| (vi) | Chloroplast | (f) | Power |
| (vii) | Oxygen and water | (g) | Raw material |
| (viii) | Sunlight | (h) | Machinery |
| (ix) | CO2 and water | (i) | End products |
| (x) | Glucose (sugar) | (j) | Workrooms |
| (xi) | Cells in the leaf | (k) | By-products. |
The source of O2 liberated in photosynthesis is ______.
In leaves, the food is stored in the form of ______.
