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HAT Subject (Agriculture) – FLP 1
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Agriculture
Agriculture 100 MCQs
1. What law states that adding more of one input will eventually yield lower marginal returns?
2. What is the amount of money required to purchase a good or service?
3. What is a sustained increase in the general price level?
4. What are taxes on imported goods?
5. What is the exchange of goods and services between countries?
6. What refers to the technological advances in agriculture that increased crop yields?
7. What is the state of having reliable access to sufficient, safe, and nutritious food?
8. What is the minimum income level required to meet basic needs?
9. What is a graphical representation of income distribution?
10. What measures income inequality?
11. What is the practice of farming in a way that meets current needs without compromising future generations?
12. What is the practice of growing two or more crops simultaneously on the same land?
13. What is the process of gathering mature crops from the field?
14. What is the process of separating grain from the chaff?
15. What is the practice of growing and plowing under cover crops to improve soil fertility?
16. What is the process of decomposing organic matter to produce a nutrient-rich soil amendment?
17. What is a holistic approach to pest control that combines biological, cultural, and chemical methods?
18. What is the modification of farming practices to reduce pest problems?
19. What is the use of physical barriers or traps to control pests?
20. What does crop physiology study?
21. What is the process by which plants break down glucose to release energy?
22. What are pores on leaves that regulate gas exchange and transpiration?
23. What control the opening and closing of stomata?
24. What is the response of plants to the length of day or night?
25. What plants flower when the day length is shorter than a critical period?
26. What is the exposure of plants to cold temperatures to induce flowering?
27. What is a period of reduced metabolic activity in plants?
28. What is the process by which a seed begins to grow and develop?
29. What plant hormones promote cell elongation and growth?
30. What plant hormones promote cell division and delay senescence?
31. What plant hormone promotes dormancy and stomatal closure?
32. What tissue transports assimilates from sources to sinks?
33. What is the movement of assimilates through the phloem?
34. What is the loss of turgor pressure in plants due to water deficit?
35. What stress is caused by water deficit and can reduce crop growth?
36. What insects undergo complete metamorphosis with egg, larva, pupa, and adult stages?
37. What order includes beetles?
38. What order includes butterflies and moths?
39. What order includes grasshoppers, crickets, and locusts?
40. What is the pest population level at which control measures should be taken to prevent economic loss?
41. What are chemical signals used by insects for communication?
42. What can help reduce pest populations by disrupting their life cycles?
43. What does horticulture involve?
44. What branch of horticulture deals with vegetable cultivation?
45. What is a structure used to grow plants in a controlled environment?
46. What is a place where young plants are grown before being transplanted?
47. What is a method of preserving fruits by removing moisture?
48. What is a method of preserving fruits and vegetables by heat processing in sealed containers?
49. What type of propagation involves the use of seeds for plant production?
50. What is the lower part of a grafted plant that provides the root system?
51. What does irrigation and water management involve?
52. What is the application of water to the soil surface using gravity flow?
53. What is the application of water through sprinklers that simulate rainfall?
54. What is the application of water directly to the root zone through emitters?
55. What is the ratio of water used by the crop to water applied?
56. What is the ratio of water stored in the root zone to water applied?
57. What is the yield per unit of water used?
58. What is the sum of evaporation from the soil and transpiration from plants?
59. What is the upper surface of the zone of saturation?
60. What is a storage area for water, often used for irrigation?
61. What is a hole drilled into the ground to access groundwater?
62. What is the control of salt accumulation in soil and water?
63. What is the continuous movement of water on, above, and below the Earth's surface?
64. What is the planning of when and how much water to apply?
65. What is the crossing of closely related individuals?
66. What is the improved performance of hybrid offspring compared to their parents?
67. What is a group of plants that are genetically identical?
68. What is the parent that provides the desired trait in backcrossing?
69. What traits are controlled by multiple genes and influenced by the environment?
70. What is the proportion of phenotypic variation that is due to genetic factors?
71. What describes the sequence of events in the development of a plant disease?
72. What is the pathogen propagules that cause infection?
73. What are the visible signs of a disease on a plant?
74. What is the death of plant tissue caused by disease?
75. What is the yellowing of plant tissue due to loss of chlorophyll?
76. What chemicals are used to control fungal diseases?
77. What are plants that are less susceptible to diseases?
78. What is a holistic approach combining biological, cultural, chemical, and genetic methods?
79. What is an important legal measure to prevent the spread of exotic diseases?
80. What is a period of inactivity in a seed that prevents germination?
81. What is the ability of a seed to germinate and produce a normal seedling?
82. What is the potential of a seed to produce a healthy and vigorous seedling?
83. What is the absence of pathogens and pests in seeds?
84. What test evaluates the percentage of seeds that germinate under favorable conditions?
85. What test measures the ability of seeds to germinate under stress conditions?
86. What test detects the presence of pathogens and pests in seeds?
87. What is the process of growing and harvesting seeds for propagation?
88. What is the application of a layer of inert material to seeds to improve handling?
89. What can be broken by stratification or scarification?
90. What is the treatment of seeds with cold to break dormancy?
91. What is the upper mineral layer of soil with organic matter?
92. What is the layer where minerals accumulate?
93. What refers to the proportion of sand, silt, and clay particles in soil?
94. What is the range of the pH scale?
95. What pH do acidic soils have?
96. What is the ability of soil to provide essential nutrients to plants?
97. What nutrients are required by plants in large amounts?
98. What nutrients are required by plants in small amounts?
99. What is the decomposed plant and animal material in soil?
100. What is the removal of soluble nutrients from the soil by water movement?
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