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प्रश्न
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
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उत्तर
Advantage of photosynthesis :
- To produce food for all the organisms on earth .
- Release oxygen which is a life supporting gas .
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संबंधित प्रश्न
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?
Give biological explanations for Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered.
Answer the following:
Give the overall chemical equation of photosynthesis in green plants.
Mention one difference between the following on the basis of what is given in bracket.
Respiration and photosynthesis (gas released)
"Oxygen is a waste product of photosynthesis." Comment.
Oxygen given out during photosynthesis comes from water. Explain this statement.
What is the law of limiting factors?
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?
Give technical term:
Which process is the ultimate source of energy for all living organisms?
Label the diagram with the raw materials and products of photosynthesis.
