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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
The following diagram demonstrates a physiological process taking place in green plants. The whole set up was placed in bright sunlight for several hours. Study the diagram and answer the questions that follow
(i) What aspect of the physiological process is being examined?
(ii) Explain the physiological process mentioned in (i) above.
(iii) Label the parts numbered 1 and 2 in the diagram.
(iv) Write a well-balanced chemical equation for the physiological process explained in (ii) above.
(v) What would happen to the rate of bubbling of the gas if a pinch of sodium bicarbonate is added to the water in the beaker? Explain your answer.
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?
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
Explain the Term ATP.
Give technical term:
Organisms which cannot prepare their own food by photosynthesis.
Complete the following sentence with appropriate word:
4OH ——> _____ + O2
Give an example for micronutrients.
What are stomata?
Define the following term:
Photolysis of water
