General agriculture Pointers 50

 

1.  Soil color is determined by the Munsell Color Chart.
2. Soil crusting reduces infiltration.
3. The maximum permissible limits of biuret in urea is 1.5%.
4. Soil moisture content is determined by a tensiometer (at 0.85 bar).
5. The fruit of mustard is known as siliqua.
6. Soil separates having a size of less than 0.002 mm is referred to as clay.
7. Soil separates having a size range of 0.002 mm to 0.05 mm is referred to as silt.
8. Soil separates having a size range of 0.05 mm to 2 mm is referred to as sand.
9. The single seed descent method is a method of self-pollination.
10. Single stranded DNA is known as bacteriophage.
11. Single super phosphate contains 18% phosphorus.
12. The steps of extension education include situation, objectives, teaching, evaluation, and reconsideration.
13. Six-rowed barley is referred to as Hardium vulgare.
14. The size of silt particles is 0.002-0.05 mm.
15. Skeletonizing the leaves of brinjal is a symptom caused by Henosepilachna (Epilachna beetle).
16. Boron is harmful to plants when the concentration is more than 3 ppm.
17. Slowly released nitrogen fertilizers include sulphur-coated urea, neem-coated urea, and urea super granule.
18. Stress hardening in plants can be achieved by ABA (abscisic acid).
19. Small, unsegmented, soil-inhabiting, plant-parasitic worms are commonly referred to as nematodes.
20. Small cylindrical cases hanging on leaves are a symptom of rice case worm attack.
21. Sooty or charcoal-like powdery mass usually appearing on floral organs, particularly the ovary, is called smut.
22. Sorghum crop is also referred to as the camel crop.
23. Sour sop is known scientifically as Annona muricata.
24. The source of breeder seed is nucleus seed.
25. The South-West monsoon contributes approximately 75% of the total annual rainfall in India.
26. Soviet Chinchilla and New Zealand White are breeds of rabbit.
27. The sowing depth of dwarf wheat directly depends upon the length of the coleoptile.
28. Sowing of berseem crop is done by broadcasting.
29. Sowing of paddy in April-May and harvesting in August-September is called Aus/Autumn/Pre-kharif paddy.
30. Sowing of paddy in January-February and harvesting in April-May is called Boro/Summer/Spring.
31. Sowing of paddy in June-July and harvesting in October is called Aman/Kharif/Aghani.
32. Soybean contains 35-40% protein.
33. Soil structure and soil texture are two important properties of soil, categorized as physical properties.
34. Soil structure that provides less porosity in soil is platy.
35. Soil water is known as blue water.
36. Soils contain equal proportions of sand, silt, and clay.
37. Soils dominated by sand separates are known as light soil.
38. Soils most retentive of moisture and prone to cracking in the dry season are black soil.
39. Soils that are loose and porous will have low bulk density.
40. Solar heat treatment is used to control loose smut of wheat.
41. Kaolin is a reflecting type of antitranspirant.
42. A solution of fertilizer specially applied at the initial growth of plants in pulses and vegetable crops is called a starter solution.
43. Some female insects reproduce young ones directly, a process known as vivipary.
44. Soniya 17 and Emma White are famous varieties of orchids.
45. The Spices Board Headquarters is located in Cochin.
46. Spindle bug is a major pest of arecanut.
47. Spindle formation takes place during metaphase I.
48. Spindle leaf turns brown and breaks off in coconut due to bud rot.
49. Spindle-shaped leaf spots with a grey center and brown margin are symptoms of rice blast.
50. Ammonium polyphosphate contains 15% nitrogen and 62% P2O5.
51. Splice grafting, saddle grafting, and whip & tongue grafting are practiced in apple and pear.
52. Splice and tongue are methods of approach grafting.
53. Spodoptera mauritia pupates in an earthen chamber in soil.
54. Spongy tissue is a problem associated with mango.
55. Spongy tissue is caused by convection heats.
56. The spread of bacterial blight in rice occurs through wind, irrigation, and rainwater.
57. The spread of sheath blight disease in rice is through irrigation water.
58. Soybean is designated as “boneless meat.”
59. Soybean is popularly known as the wonder crop.
60. Soybean protein is known as glycinin.
61. Spacing for the Nendran variety of banana is 2m x 2m.
62. Spacing maintained between hedge row intercropping in alley cropping is 4-8 meters.
63. The spadix dries up and the inflorescence gets crinkled in coconut palm due to infestation by Pseudococcus (mealy bug).
64. The communication model "Speaker, Speech, Audience" was proposed by Aristotle.
65. Special size (superior grade) tubers of potato should have an 8 cm diameter.
66. Cereals are deficient in the amino acid lysine.
67. Spencer Hatch is associated with the Marthandam project.
68. Sphagnum moss is used as a growing medium in the nursery.
69. The sphere of water occupies 70% of the globe and is referred to as the hydrosphere.
70. The spice crop containing the highest percentage of fat is nutmeg.
71. Stale seed bed technique of weed control is a cultural method.
72. The standard pit size for vermicomposting is 2.5m × 1m × 0.3m.
73. 'Star of India' is a variety of French Marigold.
74. The star weeder is used for weeding in dry lands and groundnut fields.
75. Karnataka is the state famous for sericulture.
76. Farmers' Day in Kerala is celebrated on Chingam 1.
77. Madhya Pradesh has the highest forest area in India.
78. Wheat varieties contain the genes Rht 1 and Rht 2.
79. Stem bleeding in coconut is caused by the fungus Thielaviopsis paradoxa.
80. The stem parasitic weed of lucerne is Cuscuta reflexa (Doddar).
81. Sterility mosaic and wilt-resistant varieties of pigeonpea include Amar, Narendra Arhar 1, and Azad.
82. Chloro-fluorocarbon is a major component of greenhouse gases.
83. Shear is a garden tool used for pruning and topiary.
84. Secateur is a garden tool used for pruning in rose.
85. Agar is a gelling agent in culture medium.
86. Suvarna is a genetically modified (GM) variety of rice.
87. Krishnamony, Pusa Do Fasli, and Pusa Phalguni are grain-type varieties of cowpea.
88. Glyricidia, subabul, and cassia are green leaf manure crops.
89. Sunn hemp, daincha, wild indigo, and indigo are green manure crops.
90. Method demonstration, field trips, workshops, and group discussions are group contact methods of extension.
91. Lawsonia, phyllanthus, and thuja are hedge plants.
92. Leghaemoglobin is a hemoprotein found in the root nodules of leguminous plants.
93. Cirrus, cirro-stratus, and cirro-cumulus are high clouds.
94. Rag doll method and paper method are methods of testing seed germination.
95. Micronutrients include iron, manganese, copper, zinc, boron, and molybdenum.
96. Alto-stratus and alto-cumulus are middle clouds.
97. Ragi, varaku, maize, and bajra are types of millet.
98. Snail is a mollusc species causing widespread damage to many crops.
99. The leaf area index was given by Watson in 1947.
100. Monopodial orchids include Vanda, Arachnis, Vanilla, and Renanthera.