General agriculture pointer 58

 

1. ‘Kufri jyothi’ is a variety of – (potato)

2. ‘Pusa ruby’ is a variety of – (tomato)

3. Highest tomato producing state of india – (andhra pradesh)

4. Highest brinjal producing state of india – (west bengal)

5. Highest cabbage producing state of india – (west bengal)

6. Imperial agricultural research institute (iari) started at pusa, bihar in – (1903)

7. Sugarcane breeding station established in 1912 at – (coimbatore)

8. India’s first agricultural university started in – (1964, pantnagar)

9. Most commercial crops introduced to india by – (portuguese)

10. ‘Agrostology’ is the study of – (fodder grasses)

11. ‘Glycine max’ is – (soybean)

12. ‘Pomology’ is the study of – (fruits)

13. ‘Olericulture’ is the study of – (vegetables)

14. ‘Arboriculture’ is the study of – (growing trees)

15. Sunhemp is a – (green manure crop)

16. Study of field crops – (agronomy)

17. Black cotton soils found in – (chittoor taluk, palakkad)

18. pH of black cotton soils – (6.5 to 8.5)

19. Red soils in thiruvananthapuram at – (nemom, neyyatinkara & parassala)

20. Pokkali & kaipad areas have – (acid-saline soil)

21. Crop suited for acid-saline soil – (paddy)

22. pH range of acid-saline soils – (3 to 5)

23. Presence of partially decomposed organic residues indicates – (kari soil)

24. Kari soils otherwise known as – (peat soils)

25. Kari soils in kuttanad at – (purakkad, ambalappuzha & thakazhi)

26. Main crop of kari soil – (paddy)

27. Soil type at or below msl with flooding/water stagnation – (kari soil)

28. Coastal alluvium sand content >80% & clay <15% – (true)

29. Kerala has – (9 soil types)

30. Most prominent soil type in kerala – (laterites)

31. Liming materials include – (limestone, quicklime, hydrated lime)

32. Neutralizing power expressed as kg of – (calcium carbonate)

33. Neutralizing power of burnt lime – (182.1)

34. Neutralizing power of hydrated lime – (136.9)

35. Districts without coastal features – (idukki, wayanad, palakkad)

36. Midland in all districts except – (wayanad)

37. Midland mainly has – (laterite soil)

38. Elevation of upland – (300–600 m)

39. Plantation crops mainly grown in – (upland)

40. Soil types of upland – (hill & forest soils)

41. Elevation of highland – (600–1200 m)

42. Highest peak in kerala – (anamudi, 2694 m)

43. Forest soils seen in – (highland areas)

44. Kerala has – (3 east-flowing & 41 west-flowing rivers)

45. Climate of kerala – (humid tropical)

46. Contribution of southwest monsoon to kerala rainfall – (60%)

47. Salts of strong bases & weak acids correct – (acidity)

48. pH measured in lab by – (electrometric method) & in field by – (indicator method)

49. Fungi are very active in – (lower pH)

50. Bacteria & actinomycetes thrive in – (intermediate & higher pH)

51. Phosphorus availability maximum at pH – (6 to 7)

52. Loss of ca & mg by leaching causes soil acidity to – (increase)

53. Buffering capacity proportional to – (cation exchange capacity)

54. Low pbs in soil indicates – (acidity)

55. Organic matter decomposition forms – (carbonic acid)

56. Sulphuric & nitric acids add – (hydrogen ions)

57. Fundamental process of soil formation – (weathering)

58. pH of mineral soils declines during – (summer)

59. Hydrogen ions in soil produce – (acidity)

60. Lime requirement depends on – (active & reserve acidity)

61. Cation exchange capacity (cec) is property of – (soil colloids)

62. Capacity of soil colloid to adsorb/release nutrients – (cec)

63. Soil solution dominance of h+ ions means – (acidic soil)

64. Gypsum requirement found using – (schoonorvar’s method)

65. No lime needed if soil pH above – (6.4)

66. Potassium estimation by – (flame photometric method)

67. Phosphorus estimation by – (bray’s method)

68. Organic carbon estimated by – (calorimetric method)

69. Soil nitrogen estimated from – (organic carbon)

70. Anaerobic decomposition yields – (amines & ammonia)

71. Total soluble salts estimated with – (conductivity meter)

72. Oxidation status of – (iron & aluminium) influences soil colour

73. Soil pH estimated using – (10 g processed soil)

74. Representative soil sample called – (composite soil sample)

75. Soil sampling surface depth – (9 inches)

76. Presence of oxygen indicated by – (grey soil colour)

77. Carbon in aerated soils → co₂; in waterlogged soils → (methane)

78. Vermiculite contains – (magnesium)

79. Clay soils contain at least – (35% clay)

80. Anaerobic decay produces – (carbon dioxide & organic acids)

81. Aerobic organisms require – (oxygen)

82. Common field method to determine soil class – (feel method)

83. Slow decay in swampy areas due to lack of – (oxygen)

84. High temperature increases – (carbon dioxide production)

85. Soil co₂ higher in summer, lower in winter – (true)

86. Particle density expressed in – (g/cc)

87. Mass of dry soil per unit volume (incl. pores) – (bulk density)

88. Loose, porous soils have – (low bulk density)

89. Sandy soil has – (low bulk density)

90. Soil air composition varies with – (organic matter content)

91. O₂ & CO₂ related to – (soil organic matter)

92. CO₂ increases & O₂ decreases with – (soil depth)

93. Granulated soils have – (low bulk density)

94. Excess co₂ in soil air retards – (plant growth)

95. Gas exchange mechanisms – (mass flow & diffusion)

96. Oxygen content of soil air is – (lower than atmosphere)

97. Structure of surface soils with high organic matter – (granular & crumb)

98. Oxygen supply essential for – (biological processes)

99. Percentage mineral matter in soil – (45%)

100. Primary mineral containing potassium – (feldspar)