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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 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.
Define the following:
Quantum
Mention one difference between the following on the basis of what is given in bracket.
Producers and consumers (mode of nutrition)
Complete the following food chains by writing the names of appropriate organisms in the blanks:
Grass → ______ → Snake → ______
Complete the following food chains by writing the names of appropriate organisms in the blanks:
______ → Mouse ______ → Peacock
Give technical term:
The main reaction which means the breaking up of water molecules through light.
1. What happens to the dandelion flower
- During the daytime?
- At night?
2. What is the phenomenon known as?
An organism A which cannot move from one place to another makes a simple food B from the substances C and D available in the environment. This food is made in the presence of green-colored substance E present in organs F in the presence of light energy in a process called G. Some of the simple food B also gets converted into a complex food H for storage purposes. Does this food give a blue-black color with iodine solution?
a. What is
- organism A
- food B?
- food H?
b. What are C and D?
c. Name green-colored substance E and organ F.
d. What is the process G?
