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Standard VIII
Biology
Sustainable Agriculture
Identify the ...
Question
Identify the constituents of chemical fertilisers.
A
Urea
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B
NPK
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C
Ammonium sulfate
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D
Potash
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E
Copper phosphate
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F
Animal excreta
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G
Plant waste
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H
Rotten food
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Solution
The correct option is
E
Copper phosphate
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Similar questions
Q.
Farmers use chemical fertilisers in organic farming.
Q.
Mark the correct property and identify the substance.
The substances whose constituents can be separated by chemical or electrochemical reactions have the following properties.
Q.
Assertion (A): Chemical fertilisers are generally more expensive and hazardous to the environment
Reason (R): Biofertilisers are referred to chemical fertilisers
Q.
Explain chemical constituents of DNA
Q.
Choose the correct option.
Statement I: The continuous use of chemical fertilisers has led to the degradation of soil health.
Statement II: Use of chemical fertilisers kills microorganisms in the soil.
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