This quiz works best with JavaScript enabled. Home > Soil Nutrition > Manures Fertilizers Agrochemicals – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Manures Fertilizers Agrochemicals Quiz 2 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What do the nutrients in the soil have to do before being absorbed through the plant's roots? A) It needs to wait for the seed to germinate before it does anything. B) It needs to transpire. C) It needs to evaporate. D) It has to be dissolved in the water. Show Answer Correct Answer: D) It has to be dissolved in the water. 2. What are elements that are required for plant growth which are needed but in only very small amounts? A) Macronutrients. B) Sunlight. C) Water. D) Micronutrients. Show Answer Correct Answer: D) Micronutrients. 3. These nutrients include iron, zinc, & boron and are needed in very small amounts. A) Macro. B) Macoroni. C) Micro. D) Miniscule. Show Answer Correct Answer: C) Micro. 4. How many percent of nitrogen does Urea have? A) 46%. B) 16%. C) 60%. D) 50%. Show Answer Correct Answer: A) 46%. 5. Which of the following is a benefit of keeping records of fertilizer application? A) To ensure effective application. B) To prevent runoff. C) To prevent nutrients from seeping into groundwater. D) All of the above. Show Answer Correct Answer: D) All of the above. 6. When the plants die from no sun this A) Increases number of bacteria. B) Increases nitrate levels. C) Reduces biodiversity. D) Consumes all the oxygen in water. Show Answer Correct Answer: A) Increases number of bacteria. 7. Which type of fertilizer will be missing at least one major component of nitrogen, phosphate and potassium? A) Complete. B) Incomplete. C) Special purpose. D) Slow-release. Show Answer Correct Answer: B) Incomplete. 8. Sue uses a fertilizer that promotes early formation and growth of roots and increases the plant's hardiness and disease resistance vigor. Her fertilizer will most likely contain what primary element? A) Boron. B) Chlorine. C) Phosphorus. D) Zinc. Show Answer Correct Answer: C) Phosphorus. 9. Why do we need Potassium in fertiliser A) Help plant to produce its proteins and to resist from plant disease. B) Help plant produce chlorophyll and its other proton. C) Helps root to grow and help crops to ripen. D) None of above. Show Answer Correct Answer: A) Help plant to produce its proteins and to resist from plant disease. 10. What word has a definition of - is the spraying of liquid fertilizer directly onto the leaves of plants. A) Broadcasting. B) Side-dressing. C) Foliar application. D) Fertilizer application. Show Answer Correct Answer: C) Foliar application. 11. Algal blooms A) Increases number of bacteria. B) Block light from reaching under water plants. C) Reduces biodiversity. D) Consumes all the oxygen in water. Show Answer Correct Answer: B) Block light from reaching under water plants. 12. What is fertilizer labeled with? A) 5 Numbers. B) 3 Numbers. C) 2 Numbers. D) Nothing. Show Answer Correct Answer: B) 3 Numbers. 13. What is potassium used for in a complete fertilizer? A) For green foliage. B) For roots & blooms. C) For plant health. D) None of above. Show Answer Correct Answer: C) For plant health. 14. When you add fertilizer to the stems of plants, you are ..... A) Top dressing. B) Side dressing. C) Bottom dressing. D) Getting dressed. Show Answer Correct Answer: B) Side dressing. 15. Nitrogen's symbol is a? A) Ni. B) NH. C) N. D) None of above. Show Answer Correct Answer: C) N. 16. Why do we need phosphorus in fertiliser A) Helps root to grow and help crops to ripen. B) Help plant produce chlorophyll and its other proton. C) Help plant to produce its proteins and to resist from plant disease. D) None of above. Show Answer Correct Answer: A) Helps root to grow and help crops to ripen. 17. Nitrogenous fertiliser is required A) During the early stage of growth to promote development of stem and leaves. B) For accelerating fruit formation in later stage of growth. C) To lessen the effect of excessive potash application. D) None of these. Show Answer Correct Answer: A) During the early stage of growth to promote development of stem and leaves. 18. Which is true of macronutrients? A) All six are listed on the fertilizer label. B) They are present in the soil in the smallest amounts. C) They are used by the plants in large amounts. D) They are used by the plants in small amounts. Show Answer Correct Answer: C) They are used by the plants in large amounts. 19. Which element is not added to anh fertiliser? A) Aluminium. B) Nitrogen. C) Phosphorus. D) Potassium. Show Answer Correct Answer: A) Aluminium. 20. Which of the following are salts containing various plant nutrients? A) Fertilizers. B) Water. C) Macronutrients. D) Micronutrients. Show Answer Correct Answer: A) Fertilizers. ← PreviousNext →Related QuizzesManures Fertilizers Agrochemicals Quiz 1Manures Fertilizers Agrochemicals Quiz 3Manures Fertilizers Agrochemicals Quiz 4Manures Fertilizers Agrochemicals Quiz 5Manures Fertilizers Agrochemicals Quiz 6Manures Fertilizers Agrochemicals Quiz 7Manures Fertilizers Agrochemicals Quiz 8Soil Nutrients Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books