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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
Choose the correct answer:
Photosynthesis is more active in ___________
Mention one difference between the following on the basis of what is given in bracket.
Grass and grasshopper (mode of nutrition)
Identify the false statement and rewrite it correctly by changing the first or last word only.
Green plants perform photosynthesis.
The site of light reaction in the cells of a leaf is ______.
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.
Is there any control in this experiment? If so, state it.
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 Phloem tissue in the leaf veins.
Complete the following food chain by writing the names of appropriate organisms in the blanks:
__________ → Mouse → _________ → Peaock
Sunflowers open the petals in bright light during the daytime but close the petals in dark at night. This response of sunflowers is called ______.
Plants may inhale carbon dioxide for photosynthesis but need ______ for their living.
