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प्रश्न
Why should the light-dependent reaction occur before the light-independent reaction?
उत्तर
During light-dependent reaction, photosynthesis pigment absorbs the light energy and convert it into chemical energy ATP and NADPH2.
During light-independent CO2 is reduced into carbohydrates with the help of ATP and NADPH2 produced during the light-dependent reaction.
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संबंधित प्रश्न
The diagram below shows two test-tubes A and B. Test-tube A contains a green water plant. Test-tube B contains both a green water plant and a snail. Both testtubes are kept in sunlight. Answer the questions that follow:
(i) Name the physiological process that releases the bubbles of oxygen.
(ii) Explain the physiological process as mentioned above in Q2 (a)(i).
(iii) What is the purpose of keeping a snail in test-tube ‘B’?
(iv) Why does test-tube ‘B’ have more bubbles of oxygen?
(v) Given an example of a water plant that can be used in the above process.
(vi) Write the overall chemical equation for the above process.
Given below is an experiment setup to demonstrate a particualr tropic movement in germinating seeds. Study the diagram and answer the questions that follow : 
What is meant by ‘Positive’ and ‘Negative’ tropic movements in plants?
Mention two ways in which photosynthesis is useful to life.
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Leaves are broad and flat to increase the surface area for photosynthesis.
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
Choose the correct option.
In presence of high concentration of oxygen, RuBP carboxylase converts RuBP to ______.
Answer the following question.
Explain why photosynthesis is considered the most important process in the biosphere.
Label the diagram with the raw materials and products of photosynthesis.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
