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Agriculture 100 MCQs
1. What is agricultural economics?
2. What measures the responsiveness of quantity demanded to a change in price?
3. What is the total cost incurred in producing a good or service?
4. What is the difference between total revenue and total cost?
5. What is the total market value of all final goods and services produced in a country?
6. What is a sustained increase in the general price level?
7. What are taxes on imported goods?
8. What are quantitative restrictions on the amount of a good that can be imported?
9. What is the ability to produce a good at a lower opportunity cost than another country?
10. What organization promotes free trade and resolves trade disputes?
11. What is the state of having reliable access to sufficient, safe, and nutritious food?
12. What is the practice of growing a single crop species year after year?
13. What is the practice of growing two or more crops simultaneously with no distinct row arrangement?
14. What is the application of nutrients to soil to enhance crop growth?
15. What is the process of separating grain from the chaff?
16. What is the process of separating chaff from grain using air?
17. What is the process of grinding grain into flour?
18. What is the amount of seed required per unit area?
19. What is the amount of crop produced per unit area?
20. What is the practice of covering soil to conserve moisture and control weeds?
21. What is the practice of growing and plowing under cover crops to improve soil fertility?
22. What are caused by pathogens such as fungi, bacteria, and viruses?
23. What is the use of pesticides to control pests?
24. What is the use of physical barriers or traps to control pests?
25. What does crop physiology study?
26. What is the process by which plants convert light energy into chemical energy?
27. What is the process by which plants break down glucose to release energy?
28. What plants flower regardless of day length?
29. What is a period of reduced metabolic activity in plants?
30. What plant hormones promote cell elongation and growth?
31. What plant hormones promote cell division and delay senescence?
32. What tissue transports assimilates from sources to sinks?
33. What is the component of water potential due to pressure?
34. What is the pressure exerted by the cell contents against the cell wall?
35. What part of an insect contains the eyes, antennae, and mouthparts?
36. What is the process of development from egg to adult in insects?
37. What order includes butterflies and moths?
38. What order includes flies, mosquitoes, and midges?
39. What order includes grasshoppers, crickets, and locusts?
40. What insects cause damage to crops or livestock?
41. What is a holistic approach to pest control that combines biological, cultural, and chemical methods?
42. What does the insect life cycle include?
43. What is a period of suspended development in insects?
44. What branch of horticulture deals with flower cultivation?
45. What is the removal of plant parts to improve growth, shape, or productivity?
46. What is a type of grafting where a bud is inserted into the rootstock?
47. What propagation method forms roots on a stem while it is still attached to the parent plant?
48. What propagation method involves removing a plant part and planting it to grow a new plant?
49. What is a field where fruit trees are grown?
50. What is used to preserve fruits and vegetables by reducing metabolic activity?
51. What is a method of preserving fruits by removing moisture?
52. What is the process of producing new plants from existing ones?
53. What is the fusion of male and female gametes in plants?
54. What develops from the ovule after fertilization?
55. What is the artificial application of water to soil for crop production?
56. What is a hole drilled into the ground to access groundwater?
57. What is the amount of water that must be applied to meet the crop water requirement?
58. What is the accounting of all water inputs and outputs in a system?
59. What is the planning of when and how much water to apply?
60. What is the lack of sufficient water resources to meet demands?
61. What involves inducing mutations to create new traits in plants?
62. What is the direct manipulation of an organism's genes using biotechnology?
63. What is a group of plants with similar characteristics that are distinct from other groups?
64. What is a cultivated variety of a plant that is selected for desirable traits?
65. What is the fertilization of a plant by its own pollen?
66. What is the reduced fitness of offspring from inbreeding?
67. What are DNA sequences used in plant breeding to identify desirable traits?
68. What breeding method selects plants based on their appearance?
69. What breeding method crosses a hybrid with one of its parents?
70. What is the parent that is repeatedly crossed in backcrossing?
71. What is the parent that provides the desired trait in backcrossing?
72. What traits are controlled by a single gene with distinct categories?
73. What are organisms that cause diseases?
74. What submicroscopic pathogens cause diseases like mosaic and yellowing?
75. What describes the sequence of events in the development of a plant disease?
76. What chemicals are used to control bacterial diseases?
77. What is the use of natural enemies to control plant diseases?
78. What is the use of pesticides to control plant diseases?
79. What is the restriction of movement of plants to prevent the spread of diseases?
80. What is a holistic approach combining biological, cultural, chemical, and genetic methods?
81. What is a period of inactivity in a seed that prevents germination?
82. What is the ability of a seed to germinate and produce a normal seedling?
83. What is the potential of a seed to produce a healthy and vigorous seedling?
84. What is the process of evaluating seed quality for germination, purity, and health?
85. What test measures the ability of seeds to germinate under stress conditions?
86. What is the process of growing and harvesting seeds for propagation?
87. What is the controlled hydration of seeds to improve germination?
88. What declines with age and storage conditions?
89. What can be broken by stratification or scarification?
90. What is the upper layer of the Earth's surface that supports plant growth?
91. What are layers of soil with different characteristics?
92. What is the layer where minerals accumulate?
93. What refers to the proportion of sand, silt, and clay particles in soil?
94. What pH do acidic soils have?
95. What is the ability of soil to provide essential nutrients to plants?
96. What primary macronutrient is essential for root development and energy transfer?
97. What primary macronutrient is essential for water regulation and disease resistance?
98. What is the decomposed plant and animal material in soil?
99. What soil conservation practice involves plowing along the contour lines of the land?
100. What is the accumulation of sodium ions in the soil?