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प्रश्न
What is meant by photosynthesis? Why is it so important in nature?
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उत्तर
Photosynthesis: It is an anabolic process by which plants manufacture
carbohydrates or food material with the help of water and carbon dioxide in the
presence of sunlight and chlorophyll.
It is an important process as:
a. It produces food directly or indirectly for all living organisms on earth.
b. It maintains balance between oxygen and carbon dioxide in the atmosphere.
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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 Thigmotropism? Give one example.
During photosynthesis, the oxygen in glucose comes from
What is the importance of photosynthesis in the life of the following:
Non-green plants
Draw a neat and well-labeled diagram of the apparatus you would set up to show that oxygen is given out during photosynthesis.
Complete the following sentence with appropriate word:
AIIP stands for ____________.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The raw materials for photosynthesis include water and CO2.
Choose the correct option.
In maize and wheat, the first stable products formed in bundle sheath cells respectively are ________.
During photosynthesis, ________ is produced and stored in the leaf.
The role of chlorophyll is to absorb light from the sun.
