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प्रश्न
Which one chemical reaction occurs during photosynthesis?
पर्याय
Carbon dioxide is reduced and water is oxidised
Water is reduced and carbon dioxide is oxidised
Both carbon dioxide and water are oxidised
Both carbon dioxide and water are reduced
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उत्तर
Carbon dioxide is reduced and water is oxidised
संबंधित प्रश्न
The individual flattened stacks of membranous structures inside the chloroplasts are known as ______.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow :
Give a balanced chemical equation to represent the process of photosynthesis.
Define the following:
Quantum
How does carbon dioxide return to the atmosphere? Explain.
A student in order to study the importance of certain factors of photosynthesis took a potted plant and kept it in the dark for over 24 hours. Then in the early hours of the morning the student covered one of the leaves with black paper in the centre only. Student placed the potted plant in the sunlight for a few hours, and then tested the leaf which was covered with black paper for starch.
(i) What aspect of photosynthesis was being investigated?
(ii) Is there any control in this experiment? If so, state the name.
(iii) Why was the plant kept in the dark before the experiment?
(iv) Describe step by step how the candidate proceeded to test the leaf for the presence of starch.
The specific function of light energy in the process of photosynthesis is to
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants are consumers.
What is photosynthesis and wherein a cell does occur?
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
| Shoot | + | - |
| Root | ? | + |
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
