1. : Which is a potash fertilizer?
(A) KCl
(B) KNO₃
(C) K₂SO₄
(D) All above
2. : Which nutrients are required in very small amount for the normal growth of plants?
(A) Nitrogenous fertilizers
(B) Phosphorus fertilizer
(C) Micronutrients
(D) All of the above
3. : What is the percentage of P₂O₅ in calcium superphosphate?
(A) 16-25
(B) 16-20
(C) 16-30
(D) None of these
4. : What is the percentage of P₂O₅ in triple superphosphate?
(A) 42-46
(B) 16-20
(C) 13-19
(D) None of these
5. : Which is the best/balanced fertilizer?
(A) Potash fertilizer
(B) NPK fertilizer
(C) Phosphatic fertilizer
(D) All above
6. : Which are the crops grown without chemical fertilizers?
(A) Organic crops
(B) Inorganic crops
(C) Green crops
(D) None of the above
7. : What is the percentage of nitrogen in ammonium nitrate?
(A) 80-82
(B) 50-55
(C) 20-25
(D) 32-35
8. : What is the percentage of nitrogen in ammonium sulphate?
(A) 21
(B) 27
(C) 23
(D) 19
9. : Ammonium nitrate is sold as a mixture with which of the following?
(A) Soda Ash
(B) Zinc
(C) Limestone
(D) None of these
10. : Potassium sulphate with 48% to 52% potash is formulated from which of the following?
(A) Potassium nitrate
(B) Potassium phosphate
(C) Potassium chloride
(D) None of these
11. : Which is ideal for horticultural crops and for tobacco and potatoes?
(A) Potassium Nitrate
(B) Potassium chloride
(C) Potassium sulphate
(D) None of these
12. : What is the percentage of nitrogen in urea?
(A) 46%
(B) 77%
(C) 88%
(D) 23%
13. : The nitrogen present in some fertilizers helps plants to do which of the following?
(A) To fight against diseases
(B) To produce protein
(C) To undergo photosynthesis
(D) To produce fat
14. : What is the percentage of nitrogen in ammonia?
(A) 82%
(B) 72%
(C) 46%
(D) 32%
15. : Which of the following is the substance which can be added to the soil to deliver necessary elements for growth?
(A) Fertilizers
(B) Growth regulators
(C) Plant hormones
(D) Pesticides
16. : Which elements is/are major elements for plant growth?
(A) Phosphorus
(B) Potassium
(C) Nitrogen
(D) All of these
17. : Organic farming is the technique of raising crops through use of which of the following?
(A) Manures
(B) Resistant varieties
(C) Bio fertilizers
(D) All of these
18. : Which of the following is green manure/bio fertilizer?
(A) Oat
(B) Rice
(C) Sesbania
(D) Maize
19. : Which is the most effective pesticide?
(A) Organophosphates
(B) Carbamates
(C) Organochlorines
(D) All of these
20. : Which fertilizers supply all the necessary elements to soil?
(A) Potash fertilizers
(B) Complete/NPK fertilizers
(C) Phosphorous fertilizers
(D) Nitrogen fertilizers
21. : Which is a nitrogenous fertilizer?
(A) Calcium ammonium nitrate
(B) Ammonia sulfate
(C) Urea
(D) All above
22. : Which of the following set of raw materials is most appropriate for manufacture of urea?
(A) H₂O, N₂ and H₂
(B) H₂, N₂ and CO
(C) H₂, CO₂ and H₂O
(D) CH₄, N₂ and CO₂
23. : How many categories of fertilizers are there for classification?
(A) Four major categories
(B) Three major categories
(C) Six major categories
(D) None of these
24. : Natural fertilizers can be derived from which of the following?
(A) Animals
(B) Algae
(C) Plants
(D) All of these
25. : Which is used for fruits, vegetables and tobacco?
(A) Potassium sulphate
(B) Potassium Nitrate
(C) Potassium chloride
(D) None of these
26. : Which is a phosphatic fertilizer?
(A) Triple superphosphate
(B) Calcium superphosphate
(C) Phosphatic slag
(D) All of these
27. : Which is a potash fertilizer?
(A) KCl
(B) KNO₃
(C) K₂SO₄
(D) All above
28. : Which nutrients are required in very small amount for the normal growth of plants?
(A) Nitrogenous fertilizers
(B) Phosphorus fertilizer
(C) Micronutrients
(D) All of the above
29. : What is the percentage of P₂O₅ in calcium superphosphate?
(A) 16-25
(B) 16-20
(C) 16-30
(D) None of these
30. : What is the percentage of P₂O₅ in triple superphosphate?
(A) 42-46
(B) 16-20
(C) 13-19
(D) None of these
31. : Which is the best/balanced fertilizer?
(A) Potash fertilizer
(B) NPK fertilizer
(C) Phosphatic fertilizer
(D) All above
32. : Which are the crops grown without chemical fertilizers?
(A) Organic crops
(B) Inorganic crops
(C) Green crops
(D) None of the above
33. : What is the percentage of nitrogen in ammonium nitrate?
(A) 80-82
(B) 50-55
(C) 20-25
(D) 32-35
34. : What is the percentage of nitrogen in ammonium sulphate?
(A) 21
(B) 27
(C) 23
(D) 19
35. : Ammonium nitrate is sold as a mixture with which of the following?
(A) Soda Ash
(B) Zinc
(C) Limestone
(D) None of these
36. : Potassium sulphate with 48% to 52% potash is formulated from which of the following?
(A) Potassium nitrate
(B) Potassium phosphate
(C) Potassium chloride
(D) None of these
37. : Which is ideal for horticultural crops and for tobacco and potatoes?
(A) Potassium Nitrate
(B) Potassium chloride
(C) Potassium sulphate
(D) None of these
38. : What is the percentage of nitrogen in urea?
(A) 46%
(B) 77%
(C) 88%
(D) 23%
39. : The nitrogen present in some fertilizers helps plants to do which of the following?
(A) To fight against diseases
(B) To produce protein
(C) To undergo photosynthesis
(D) To produce fat
40. : What is the percentage of nitrogen in ammonia?
(A) 82%
(B) 72%
(C) 46%
(D) 32%
41. : Which of the following is the substance which can be added to the soil to deliver necessary elements for growth?
(A) Fertilizers
(B) Growth regulators
(C) Plant hormones
(D) Pesticides
42. : Which elements is/are major elements for plant growth?
(A) Phosphorus
(B) Potassium
(C) Nitrogen
(D) All of these
43. : Organic farming is the technique of raising crops through use of which of the following?
(A) Manures
(B) Resistant varieties
(C) Bio fertilizers
(D) All of these
44. : Which of the following is green manure/bio fertilizer?
(A) Oat
(B) Rice
(C) Sesbania
(D) Maize
45. : Which is the most effective pesticide?
(A) Organophosphates
(B) Carbamates
(C) Organochlorines
(D) All of these
46. : Which fertilizers supply all the necessary elements to soil?
(A) Potash fertilizers
(B) Complete/NPK fertilizers
(C) Phosphorous fertilizers
(D) Nitrogen fertilizers
47. : Which is a nitrogenous fertilizer?
(A) Calcium ammonium nitrate
(B) Ammonia sulfate
(C) Urea
(D) All above
48. : Which of the following set of raw materials is most appropriate for manufacture of urea?
(A) H₂O, N₂ and H₂
(B) H₂, N₂ and CO
(C) H₂, CO₂ and H₂O
(D) CH₄, N₂ and CO₂
49. : How many categories of fertilizers are there for classification?
(A) Four major categories
(B) Three major categories
(C) Six major categories
(D) None of these
50. : Natural fertilizers can be derived from which of the following?
(A) Animals
(B) Algae
(C) Plants
(D) All of these
51. : Which is used for fruits, vegetables and tobacco?
(A) Potassium sulphate
(B) Potassium Nitrate
(C) Potassium chloride
(D) None of these
52. : Which is a phosphatic fertilizer?
(A) Triple superphosphate
(B) Calcium superphosphate
(C) Phosphatic slag
(D) All of these