This quiz works best with JavaScript enabled. Home > Agriculture > Soil Nutrition > Fertilizers Manures > Manures Fertilizers Agrochemicals – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Manures Fertilizers Agrochemicals Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the catalyst used in the Haber process? A) Iron. B) Vanadium Pentoxide. C) Nickel. D) Sulphuric Acid. Show Answer Correct Answer: A) Iron. 2. What are the 3 nutrients that a complete fertilizer contains? A) Nitrogen, Phosphorus, Hydrogen. B) Potassium, Hydrogen Nitrogen. C) Hydrogen, Potassium, Phosphorus. D) Phosphorus, Nitrogen, Potassium. Show Answer Correct Answer: D) Phosphorus, Nitrogen, Potassium. 3. When looking at a fertilizer bag and the ratio is 15-20-5. What percent of potassium is in this bag? A) 15%. B) 5%. C) 0%. D) 20%. Show Answer Correct Answer: B) 5%. 4. ..... method, the fertilizer is scattered uniformly on the soil by hand or machine. A) Broadcast application. B) Foliar application. C) Top dressing. D) Band application. Show Answer Correct Answer: A) Broadcast application. 5. Johnny planted 2 acres of beans because he has a full market of customers in the community. At the end of the season he picked 50 bushels/acre. What is this harvest called? A) Yield. B) Timing. C) Tissue Analysis. D) Shield. Show Answer Correct Answer: A) Yield. 6. Which of the following is NOT a primary nutrient? A) K. B) S. C) N. D) P. Show Answer Correct Answer: B) S. 7. What are organic fertilizers? A) Foliar. B) Animal manure, compost. C) Soluble. D) Liquid, granular. Show Answer Correct Answer: B) Animal manure, compost. 8. The process of changing plant and animal waste into the simplest form of organic material is called ..... A) Fertilizing. B) Manuring. C) Composting. D) None of above. Show Answer Correct Answer: C) Composting. 9. Peat moss, seaweed, and manure are all examples of what type of fertilizer? A) Organic. B) Chemical. C) Inorganic. D) None of above. Show Answer Correct Answer: A) Organic. 10. What is organic fertilizer? A) The nutrients in a product come from remains or by- products of once a living organisms. B) The nutrients in a product are mixed together by a farmer. C) The nutrients in a product come from a factory. D) The nutrients in a product are man made. Show Answer Correct Answer: A) The nutrients in a product come from remains or by- products of once a living organisms. 11. Fertilizers are made in ..... A) Factories. B) Homes. C) Markets. D) Fields. Show Answer Correct Answer: A) Factories. 12. Hydrogen for the Haber process is made from A) Electrolysis. B) Fractional distillation of crude oil. C) Methane in natural gas. D) Fractional distillation of air. Show Answer Correct Answer: C) Methane in natural gas. 13. ..... is anything added to the soil that will increase the yield of the crops. A) Root crops. B) Fertilizer. C) Water. D) None of above. Show Answer Correct Answer: B) Fertilizer. 14. What are the most needed nutrients in the largest amounts? A) Macro nutrients. B) Miro nutriets. C) Non mineral nutrients. D) Primary nutrients. Show Answer Correct Answer: D) Primary nutrients. 15. It is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply one or more plant nutrients essential to the growth of plants. A) Insecticide. B) Fertilizer. C) Left over. D) Pesticide. Show Answer Correct Answer: B) Fertilizer. 16. We fertilize because we ..... A) Need to improve protein. B) Remove nutrients from soil. C) Farm a lot of land. D) Enjoy playing in feces. Show Answer Correct Answer: B) Remove nutrients from soil. 17. The nitrogen in the soil is called A) Nitrogen. B) Phosphates. C) Water. D) Nitrates. Show Answer Correct Answer: D) Nitrates. 18. Decomposers breakdown dead material to A) Get bigger. B) To algal bloom. C) To die. D) To put nitrates back into soil. Show Answer Correct Answer: D) To put nitrates back into soil. 19. Plants absorb nitrates A) Through roots. B) Through sun. C) Through leaves. D) Through air. Show Answer Correct Answer: A) Through roots. 20. Which nutrient do plants need in the greatest quantity? A) Calcium. B) Zinc. C) Sulfur. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 21. What type of fertilizer is dry, tiny pellets? A) Foliar. B) Organic. C) Granular. D) Liquid. Show Answer Correct Answer: C) Granular. 22. Which elements are present in NPK fertiliser? A) Sodium, Phosphorus, Potassium. B) Nitrogen, Phosphorus, Potassium. C) Nitrogen, Potassium, Calcium. D) Sodium, Phophorus, Calcium. Show Answer Correct Answer: B) Nitrogen, Phosphorus, Potassium. 23. Which of the following is an advantage of a natural fertiliser? A) Improves the structure of the soil. B) Quicker than artifical fertiliser to effect plant growth. C) Mineral concentration is higher than artificial fertiliser. D) None of above. Show Answer Correct Answer: A) Improves the structure of the soil. 24. ..... are the green, growing plants that are plowed under A) Green manure. B) Compost. C) Animal manure. D) None of above. Show Answer Correct Answer: A) Green manure. 25. Phosphorus's symbol is a? A) L. B) P. C) Ph. D) None of above. Show Answer Correct Answer: B) P. 26. Which application method is done by evenly spreading the recommended rate offertilizer over the growing area? A) Foliar feeding. B) Direct feeding. C) Broadcasting. D) None of the above. Show Answer Correct Answer: C) Broadcasting. 27. The three primary nutrients necessary for plant growth are: A) Boron, calcium, and iron. B) Chlorine, sulfur, and zinc. C) Magnesium, manganese, and molybdenum. D) Nitrogen, phosphorus, and potassium. Show Answer Correct Answer: D) Nitrogen, phosphorus, and potassium. 28. What can be added to increase nutrients in the soil? A) Fertilizer. B) Fertilizer and Compost. C) Water. D) Compost. Show Answer Correct Answer: B) Fertilizer and Compost. 29. Which piece of information below is NOT required by law to be on fertilizer bags? A) Name and address of manufacturer. B) Net Weight. C) Guaranteed analysis of each nutrient in fertilizer. D) Salt Index. Show Answer Correct Answer: D) Salt Index. 30. What are the elements that plants need in large amounts called? A) Micronutrients. B) Atmospheric elements. C) Macronutrients. D) Trace elements. Show Answer Correct Answer: C) Macronutrients. ← PreviousNext →Related QuizzesSoil Nutrition QuizzesAgriculture QuizzesManures Fertilizers Agrochemicals Quiz 1Manures Fertilizers Agrochemicals Quiz 2Manures Fertilizers Agrochemicals Quiz 3Manures Fertilizers Agrochemicals Quiz 5 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books