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Question

Ram visited a lake nearby and saw many fishes dead. He questioned the security what is the reason behind it. He complained that the farmers around are using excessive fertilizers. Which among the given fertilizer can be a threat to aquatic organisms?

A
Urea and Monopotassium phosphate
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B
Phosphotika and Urea
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C
PGPR and NPK
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D
Bacillus and Rhizobium
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Solution

The correct option is A Urea and Monopotassium phosphate
Urea and Monopotassium phosphate are chemical fertilizers. Chemical fertilizers play a very important role in crop production. But, when used in excess these fertilizers add several salts to the soil. This alters soil characteristics and causes land pollution. These fertilizers destroy the soil fauna. They also affect aquatic organisms. As it rains it flows through the fields and gets mixed with the chemicals. Hence resulting in the death of aquatic beings.

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