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प्रश्न
During photosynthesis, the oxygen in glucose comes from
पर्याय
CO2
water
both CO2 and water
oxygen via air
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उत्तर
CO2
संबंधित प्रश्न
Expand the following biological abbreviations :
ATP
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.
Choose the correct answer:
The process of photosynthesis occurs by _________
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?
Photosynthesis in green plants is directly and indirectly dependent on so many plant structures.
Explain briefly the role of the following structures in this process is Stomata.
Photosynthesis is considered as a process supporting all life on earth.
Choose the Correct Answer:
Which one of the following would not be a limiting factor for photosynthesis?
Where do the light-dependent reaction and the Calvin cycle occur in the chloroplast?
In leaves, the food is stored in the form of ______.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
