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प्रश्न
Which one chemical reaction occurs during photosynthesis?
विकल्प
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 figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions:
(i) Name the process intended for study.
(ii) Define the above mentioned process.
(iii) When the weight of the test tube (A & B) is taken before and after the experiment, what is observed? Give reasons to justify your observation in A & B.
(iv) What is the purpose of keeping the test tube B in the experimental setup?
Are the following statement true or false? Give reason in support of your answer.
The starting point of carbon cycle is the release of carbon dioxide by animals during respiration.
Photosynthesis is considered as a process supporting all life on earth.
Explain the Term ATP.
Gas exchange takes place in plants using _____.
The source of O2 liberated in photosynthesis is ______.
Why should the light-dependent reaction occur before the light-independent reaction?
Plants utilize only ______% of the absorbed water for photosynthesis and the other activities.
An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green-colored substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. Does this food give a blue-black color with iodine solution?
a. What is
- organism A
- food B?
- food H?
b. What are C and D?
c. Name green-colored substance E and organ F.
d. What is the process G?
