This quiz works best with JavaScript enabled. Home > Soil Nutrition > Fertilizers Manures > Manures Fertilizers Agrochemicals – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Manures Fertilizers Agrochemicals Quiz 7 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. What are the elements that plants need in large amounts called? A) Micronutrients. B) Macronutrients. C) Trace elements. D) Atmospheric elements. Show Answer Correct Answer: B) Macronutrients. 3. If nitrates leach into water, and rivers A) Can cause algal bloom. B) Increase number of bacteria. C) Cause plants to grow more. D) Increase crop yeild. Show Answer Correct Answer: A) Can cause algal bloom. 4. What does the term 'deficiency' mean? A) Administering a poison. B) A lack of key nutrients. C) Too much of a key nutrient. D) How harmful a substance can be to animals. Show Answer Correct Answer: B) A lack of key nutrients. 5. Nitrogen getting into fresh water A) Increases number of bacteria. B) Increases algal growth. C) Reduces biodiversity. D) Consumes all the oxygen in water. Show Answer Correct Answer: B) Increases algal growth. 6. Fertilizer contains the elements A) N-P-K. B) N-C-K. C) N-P-S. D) S-P-K. Show Answer Correct Answer: A) N-P-K. 7. ..... are derived from decaying plant and animal products such blood meal, bone meal, manure, plant parts, and left overs. A) Organic fertilizers. B) Inorganic fertilizers. C) Fertilizers. D) None of above. Show Answer Correct Answer: A) Organic fertilizers. 8. Gas that makes up 78% of our atmosphere. A) Oxygen. B) Nitrogen. C) Hydrogen. D) Carbon Dioxide. Show Answer Correct Answer: B) Nitrogen. 9. A complete fertilizer is made from A) N P K. B) Ca Mg S. C) C H O. D) All of these. Show Answer Correct Answer: A) N P K. 10. What is the rate of Nitrogen in the 15-10-5 fertilizer? A) 15. B) 10. C) 5. D) None of above. Show Answer Correct Answer: A) 15. 11. Fertilizer is an inorganic A) Salt. B) Base. C) Acid. D) None of above. Show Answer Correct Answer: A) Salt. 12. After an algal bloom the biodiversity is decreased by A) The increase in bacteria using up all oxygen. B) Sunlight being blocked. C) The increased nitrate levels. D) Algal bloom eating all the fish. Show Answer Correct Answer: A) The increase in bacteria using up all oxygen. 13. ..... provide a lot of humus to soil A) Fertilizers. B) Cow dung. C) Manure. D) Leaves. Show Answer Correct Answer: C) Manure. 14. An advantage of organic fertilizer is that it: A) Improves the physical condition of soil. B) Is sterile. C) Leaches quickly through the soil. D) Releases into the soil rapidly. Show Answer Correct Answer: A) Improves the physical condition of soil. 15. What are the 3 most important minerals? A) NPQ. B) NPL. C) NPK. D) None of above. Show Answer Correct Answer: C) NPK. 16. Fertilizer containing 15- 10- 26 contains: A) 15% nitrogen, 10% phosphate, 26% potash. B) 15% phosphate, 10% nitrogen, 26% potash. C) 15% potash, 10% phosphate, and 26% nitrogen. D) 15% Nitrogen, 26 % Potassium, 10% Phosphorus. Show Answer Correct Answer: D) 15% Nitrogen, 26 % Potassium, 10% Phosphorus. 17. What is the method of fertilizer application where fertilizer is applied in bands near where the young plant? A) Broadcast Application. B) Spray Application. C) Band Application. D) None of above. Show Answer Correct Answer: C) Band Application. 18. This is the term used when the fertilizer is broadcast over growing crops. A) Foliar application. B) Band application. C) Broadcast application. D) Top dressing. Show Answer Correct Answer: D) Top dressing. 19. Why do we need nitrogen in fertiliser A) Plant need nitrogen for respiration. B) Help plant to produce its proteins and to resist from plant disease. C) Help plant produce chlorophyll and its other proton. D) None of above. Show Answer Correct Answer: C) Help plant produce chlorophyll and its other proton. 20. How does potassium help a plant grow A) Leaf growth. B) Root growth. C) Fruit growth. D) None of above. Show Answer Correct Answer: C) Fruit growth. ← PreviousNext →Related QuizzesSoil Nutrition QuizzesManures Fertilizers Agrochemicals Quiz 1Manures Fertilizers Agrochemicals Quiz 2Manures Fertilizers Agrochemicals Quiz 3Manures Fertilizers Agrochemicals Quiz 4Manures Fertilizers Agrochemicals Quiz 5Manures Fertilizers Agrochemicals Quiz 6Manures Fertilizers Agrochemicals Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books