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Question

What will happen to the rate of photosynthesis if good manuring is done in an area?


A
Rate increases
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B
Rate remains unchanged
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C
Rate decreases
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D
Rate fluctuates
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Solution

The correct option is A Rate increases
Photosynthesis is carried out by green plants to synthesize organic compounds. Raw materials of photosynthesis are water which plants absorb from soil and carbon dioxide which plants get from the atmosphere. During photosynthesis, light energy in sunlight is converted into chemical energy present in bonds of organic compounds and oxygen is released as a by-product. Plants have the green pigment chlorophyll which helps in the trapping of light. Chlorophyll synthesis depends on minerals like iron and magnesium. In general, if the soil is rich in minerals due to manuring, the plants will have a good supply of nutrients and show good growth. Hence, the rate of photosynthesis will increase.

Biology

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