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प्रश्न
Mention two ways in which photosynthesis is useful to life.
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उत्तर
Advantages of photosynthesis:
(a) To produce food for all the organisms on earth.
(b) Release oxygen which is a life supporting gas.
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संबंधित प्रश्न
The diagrams given below represent the relationship between a mouse and a physiological process that occurs in green plants. Study the diagrams and answer the questions that follow
(i) Name the physiological process occurring in the green plant that has kept the mouse alive.
(ii) Explain the physiological process mentioned above.
(iii) Why did the mouse die in bell jar B?
(iv) What is the significance of the process as stated in (i) for life on earth?
(v) Represent the above mentioned physiological process in the form of a chemical equation.
The diagram given below represents an experiment to prove the importance of a factor in photosynthesis. Answer the questions that follow : 
Name the factor studied in this experiment.
Answer the following:
Mention two significant advantages of photosynthesis to the living world as a whole.
What are the basic requirements of photosynthesis?
Complete the following sentence with appropriate word:
Xanthophyll is ______ coloured pigment.
Planting trees help in decreasing global warming.
The role of chlorophyll is to absorb light from the sun.
The bending of shoot towards light is due to the hormone ______.
What are stomata?
Define the following term:
Photolysis of water
