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प्रश्न
Complete the following sentence with appropriate word:
A light reaction is a ___________ reaction.
उत्तर
A light reaction is a Photochemical 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.
Give one example of An aquatic plant used in the laboratory to demonstrate O2 liberation during photosynthesis
Fill in the blank:
______ is the process which replenishes the atmospheric oxygen which the animal life consumes in respiration.
The rate of photosynthesis is not affected 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.
Describe step by step, how the candidate proceeded to test the leaf for the presence of starch?
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.
Write an experiment to demonstrate that CO2 is necessary for photosynthesis.
All life on earth Would come to an end if there were no green plants.
Give technical term:
Name the process which is responsible for the conversion of solar energy to chemical energy that is essential to sustain life on this earth?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Radiant energy is converted into chemical energy by photosynthesis.
Choose the Correct Answer:
A plant is kept in a dark cupboard for about 48 hours before conducting any experiment on photosynthesis to:
To which directional stimuli do
- roots respond
- shoots respond?
The source of O2 liberated in photosynthesis is ______.
Plants may inhale carbon dioxide for photosynthesis but need ______ for their living.
The bending of shoot towards light is due to the hormone ______.
Give an example for micronutrients.
Assertion (A): All food chains begin with herbivores.
Reason (R): Green plants are heterotrophs.
