General agriculture pointer - 99

  

1. Downy mildew disease can be effectively managed by spraying Metalaxyl (Ridomil 25 WP).
2. In reptiles and birds, nitrogen is excreted in the form of Uric acid.
3. Downy mildew of grapevine is controlled by the Bordeaux mixture.
4. Downy mildew of grape is caused by the fungus Plasmopara viticola.
5. Drainage of one hectare cm (105 liters) in 24 hours is equal to 1.157 liters/sec.
6. Diseases that occur at irregular intervals are called Sporadic Diseases.
7. The shape of the growth curve is usually Sigmoid.
8. “DITHANE M 45” is the trade name of Mancozeb.
9. “DITHANE Z 78” is the trade name of Zineb.
10. DNA amplification is done in the machine called a Thermal cycler.
11. DNA denotes Deoxyribonucleic Acid.
12. DNA was first synthesized by A. Kornberg (1953).
13. Double cross hybrids of maize are developed by CGMS line.
14. The double cross technique of maize was given by D.F. Jones (1920).
15. Double gene dwarf varieties of wheat include Kalyansona, UP-215, Arjun, Pratap, Janak.
16. The double helix model of DNA was proposed by Watson and Crick (1953).
17. Double monosomic is represented as 2n-1-1.
18. Double super phosphate contains 35% Phosphorus.
19. The Directorate of Women in Agriculture is located in Bhubaneswar.
20. Disaccharides include Sucrose, Maltose, Lactose, and Cellobiose.
21. “Disbudding” is practiced in Chrysanthemum.
22. A disc plough is used for Deep ploughing in grassed fields.
23. The discharge rate of water per dripper is 1-4 litres/hour.
24. Discoloration of apple after cutting is due to Enzymes (PPO - Polyphenol oxidase).
25. The discovery that copper sulfate can be used to control ‘smut’ disease in wheat was made by Prevost, a French scientist.
26. The discovery that sulfur can be used to control powdery mildew was made by Robertson, an English scientist.
27. The disease caused by a deficiency of vitamin B12 is Pernicious anemia.
28. The disease caused by a deficiency of vitamin E is Sterility.
29. The disease caused by a deficiency of vitamin K is Non-coagulation of blood.
30. A disease occurring regularly in the same area is called Endemic.
31. Dieback and Little Leaf disease in Citrus show Cu deficiency.
32. Diclorvos is an Organophosphorus insecticide.
33. Dieback symptom on drumstick is a result of infestation by Mosquito bug (Helopeltis spp.).
34. Dieback disease in Rose is caused by Fungus (Botrytis cinerea).
35. Diffuse solar radiation is measured using a Pyranometer.
36. Dimecron is the trade name of Phosphanidon.
37. Diploid variety of apples are Self-fertile.
38. Diquat, Paraquat, Oxadiargyl, and Glyphosate belong to the selectivity group of Non-selective herbicides.
39. Direct or indirect harmful effects by one plant on another through the production of chemicals is referred to as Allelopathy.
40. The direction from which wind comes is the Windward side.
41. The direction to which wind goes is the Leeward side.
42. The Directorate of Rice Research is located at Hyderabad.
43. The Directorate of Sorghum Research is also located at Hyderabad.
44. Deoxyribose sugar + Nitrogenous base + phosphate group (PO₄) is known as a Nucleotide.
45. Deoxyribose sugar + Nitrogenous base is known as a Nucleoside.
46. The depth of soil sampling for areas having perennial crops is 25 cm.
47. The depth of soil sampling under ordinary farming conditions is 15 cm.
48. Dermatitis is caused by Ambrosia spp. (Ragweed).
49. Destroying angel is a Poisonous Mushroom.
50. The Destructive Insect and Pest Act was passed by the Government of India in 1914.
51. Desuckering of tobacco is done by Melaic Hydracids (2%).
52. Desuckering is practiced in Banana cultivation.
53. Detachment and transportation of topsoil particles by wind and water is known as Soil erosion.
54. Development in different sectors of agriculture, especially fruits and vegetables, is referred to as Rainbow revolution.
55. Development of fruit without fertilization is called Parthenocarpy.
56. Crop logging is the method of assessing requirements for nutrients for crop production.
57. Deficiency of vitamin B5 causes Pellagra.
58. Deficiency of vitamin B7 causes Paralysis.
59. Deficiency symptoms of Ca and B appear in Terminal buds.
60. Deficiency symptoms of N, P, K, Mg, and Mo appear in Older leaves.
61. Degreening of banana is done by Ethylene.
62. Dehulming of potato is used to obtain quality seed tuber by using the chemical CuSO₄.
63. Delay in maturity and succulency are toxicity symptoms of Nitrogen.
64. “Delhi” is a variety of Crossandra.
65. Delicious, Rome Beauty, and Parlin’s Beauty are varieties of Late maturing apple.
66. Demand for agricultural products always comes under Unit inelastic demand.
67. The density of a shelter belt is decided by Wind speed.
68. The Indian Lac Research Institute is situated at Ranchi.
69. Day-neutral plants include Cotton, maize, sunflower, safflower, groundnut, buckwheat, tomato.
70. DDT was originally discovered by Othmar Zeidler in 1874.
71. De-suckering practice is done for Tobacco.
72. De-tasseling practice is done for Maize.
73. Dead heart and white ear of rice is caused by Yellow stem borer.
74. Dead heart of sorghum is caused by Atherigona varia soccata (Shoot fly).
75. India’s place in coconut production in the world is First.
76. Decomposers include Bacteria and Fungi.
77. Deficiency appears as short internodes in plants due to Nitrogen (N).
78. Deficiency of Boron (Bo) is indicated by Sugarbeet.
79. Deficiency of Nitrogen (N) is indicated by Cauliflower.
80. Deficiency of vitamin B1 causes Beriberi.
81. “Cymbidium mosaic” is a disease affecting Orchids.
82. Cyperus belongs to Sedges.
83. Cytokinin is mainly synthesized in Root tips.
84. Daily mean temperature is calculated by finding the average of Max & Min Temperature.
85. Dalapon herbicide controls only Grassy Weeds.
86. Damping off of Brinjal seedlings is due to Pythium sp..
87. Damping off of Chilly seedlings is due to Pythium sp..
88. Damping off of Tobacco is caused by Pythium aphanidermatum.
89. The Dapog method is most commonly prevalent in the Philippines.
90. Dapog seedling practice is done for Rice seedlings.
91. Dark color of soil is normally associated with Decomposing Organic Matter.
92. Dasheri is a variety of Mango.
93. The date of monsoon withdrawal in India is 31st September.
94. The date of onset of monsoon in India is 1st June.
95. Cultivation of flowering and ornamental plants is known as Floriculture.
96. Cultivation of trees + crops is known as Agri-Silviculture.
97. Cultivation of trees and grasses together is referred to as Silvipasture.
98. The cultivation practice followed in cucurbits is Daria cultivation (River bed Cultivation).
99. The culture of an organ in vitro is called Organ culture.
100. The culture of plants without soil is known as Hydroponics.