FERTILIZER
Quiz by Aji Budiyanto
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6 questions
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- Q1Which pair of compounds from the following chemicals could be added to Ammonium sulfate to make a fertilizer that provides soil with the three elements required for plant growth?Potassium sulfate and sodium phosphateammonium chloride and sodium hydrogen phosfatesodium chloride and calcium phosphatecalcium nitrate and ammonium chloride60s
- Q2Which three elements should a complete NPK fertilizer contain?Nitrogen, palladium, and phosphorusSodium, phosphorus, and potassiumNitrogen, phosphorus, and potassiumNitrogen, platinum, and potassium60s
- Q3Why is fertilizer (A) not as effective as fertilizer (B) at promoting plant growth?Fertilizer (A) does not contain any phosphorus or potassium.Fertilizer (A ) contains phosphorusFertilizer (A) raises the pH of the soil.Fertilizer (A) does not contain any sodium.60s
- Q4Which of the following is not a reason why farmers use fertilizers?Growing crops more quicklySupplying essential minerals used by cropsIncreasing the protein content in the cropsRestoring depleted minerals in the soil60s
- Q5Why do plants benefit from a fertilizer containing nitrogen?Nitrogen is released by the plant to attract insects.Nitrogen is needed by the plant to make proteins.Nitrogen reacts with oxygen during photosynthesis.Nitrogen is used to form glucose.60s
- Q6Which of the following combinations of chemicals would not make a complete NPK fertilizer?B, E and FD, E, and FA, B, and EB, C, and D60s
