General agriculture pointer - 94

  

1. Phototrops are the plants which produce food themselves through photosynthesis 
2. Grassland ecosystem producers are of large size 
3. The first major human source of air pollution was fire 
4. Moment of matter within are between ecosystem is called biochemical cycle 
5. Most poisonous pollutant is arsenic 
6. Swine Flu disease is caused by virus h1n1 
7. Colorless and non crossing air pollutant is SO2 
8. Sphere of water is called hydrosphere 
9. The microbacteria which live only in presence of free oxygen is aerobic 
10. The microbial count of portable water should be less than  <100 cfu per ml 
11. Microorganism responsible for the conversion of co to CO2 is acetobacter.
12. Sources of soil pollutants are herbicides pesticides and weedicides 
13. DDT is an agrochemical 
14. The term ecology was first defined by the German biologist earnest haeckel in the year 1866 
15. Maximum concentration of ozone is found in lower stratosphere 
16. Global warming is mainly due to greenhouse gases 
17. Forest conservation act was made in the year 1980 
18. The test which has self purification capacity of water bodies bod test 
19. Salt efflorescences is the accumulation of excessive salt in the soil system which makes soil unfit for cultivation
20. Fluoride pollution mainly effects teeth 
21. Hydrocarbons present in the air are primary air pollutants which are aromatics napthalenes, olefines and paraffins 
22. Chromium is a metal toxic in drinking water even at low concentration 
23. Bacteria that obtains both energy and material from organic sources is heterotrophs 
24. The specific gravity of sewage is slightly more than one 
25. Most commonly used disinfectant in water purification is chlorine 
26. Instrument used for measuring the concentration of ozone in air is ozonometer 
27. Wind speed is measured by anemometer 
28. The term ecosystem was coined and developed by Arthur G Tansley
29. The organism who eat dead organic matter are decomposers 
30. Operate pyramid of biomass in forest ecosystem is producer-  herbivorous- carnivorous.
31. In bugs, forewings are modified into hemelytra.
32. Hind wings in bugs are membranous.
33. In flies, hind wings are reduced to halteres.
34. IISR-Varada, IISR-Rejatha, and IISR-Mahima are varieties of dry ginger.
35. The isotherm is an imaginary line representing equal temperature.
36. Imbibition concept was coined by Julius von Sachs.
37. Immobile element in plants is calcium.
38. Immobile element in soil is phosphorus.
39. Imperator is a carrot variety.
40. Imperial Agricultural Research Institute was started in 1903.
41. Yellowing of lower leaves indicates nitrogen deficiency.
42. In a seed, the food storage tissue is called endosperm/cotyledon.
43. In a soil profile, 'A' & 'B' horizons together are called solum.
44. In a soil profile, the A2 horizon is referred to as the eluvial zone.
45. A3, B1, & B3 horizons in a soil profile are known as transitional layers.
46. Linseed is grown for both fiber and oil.
47. In India, nearly 45% of crop loss is due to weeds.
48. Around 80% of plant protection chemicals used in India are insecticides.
49. Community Development Programme in India started in 1952.
50. Seed certification in India is voluntary.
51. Seed labeling in India is compulsory.
52. The Seeds Act came into effect in India in 1969.
53. Pusa Sanyog is a cucumber variety.
54. In lowland rice, fertilizer is applied in the reduced zone only.
55. In LSD, rows, columns, and treatments are equal to replications.
56. Bacteria and actinomycetes thrive better in soils with intermediate & higher pH values.
57. The most critical irrigation stage in paddy is panicle initiation.
58. In pesticide formulations, 'AF' stands for aqua flowable.
59. In insects undergoing complete metamorphosis, the stage between larva and adult is called pupa/chrysalis.
60. Control operations for Lepidopteran pests should target the larval stage.
61. In diffusion, particles move from higher to lower concentration regions.
62. Drip irrigation saves 50-70% of water.
63. Evapotranspiration involves water loss from soil and plant surfaces.
64. Grasshoppers have 18 spiracles.
65. Fertile males in honeybee colonies are called drones.
66. Humus has a C ratio of 10:1.
67. Imperial Agricultural Research Institute (IARI) was started at Pusa in Bihar in 1903.
68. Around 20% of crop loss in India is caused by diseases.
69.   Around 30% of crop loss in India is caused by insects.
70. In the rag doll method of testing seed germination, flannel cloths used are sized 35cm × 27.5cm.
71. In RBD, the number of blocks is equal to the number of replications (b = r).
72. Bacterial leaf blight in rice is caused by Xanthomonas spp (bacteria).
73. Dapog seedlings in rice are ready for transplanting at 11-14 DAS.
74. India ranks 2nd in rice production.
75. Chandrasankara is the hybrid variety of coconut recommended for root wilt affected areas.
76. In seed technology, ‘PBR’ stands for Plant Breeders Rights.
77. In seed technology, ‘PLS’ means Pure Live Seed.
78. In seed technology, ‘TLS’ refers to Truthfully Labelled Seeds.
79. Soil sampling collects soil up to a depth of 9 inches from the surface.
80. In soil science, ‘WHC’ means Water Holding Capacity.
81. Polythene sheets used in soil solarization are of 100-150 gauge thickness.
82. In pesticidal formulations, ‘DP’ means Dustable Powder.
83. In pesticidal formulations, ‘EC’ stands for Emulsifiable Concentrate.
84. In pesticidal formulations, ‘G’ means Granule.
85. In pesticidal formulations, ‘SL’ means Soluble Liquid.
86. In pesticidal formulations, ‘SP’ refers to Soluble Powder.
87. In pesticidal formulations, ‘WP’ means Wettable Powder.
88. In pesticidal formulations, ‘WSC’ stands for Water Soluble Concentrate.
89. In plant pathology, ‘MLO’ means Mycoplasma Like Organism.
90. In plant protection, ‘Bt’ refers to Bacillus thuringiensis.
91. In plant protection, ‘GV’ stands for Granulosis Virus.
92. In plant tissue culture, ‘HEPA’ means High Efficiency Particulate Air.
93. In the Northern Hemisphere, Stevenson’s screen door opens towards the North.
94. In the Northern Hemisphere, wind moves around anticyclones in a clockwise direction.
95. In the Northern Hemisphere, wind moves around cyclones in an anticlockwise direction.
96. Rice plant leaves are arranged in an alternate manner.
97. In the Southern Hemisphere, wind moves around anticyclones in an anticlockwise direction.
98. In the Southern Hemisphere, wind moves around cyclones in a clockwise direction.
99. In the term ‘LC 50’, LC stands for Lethal Concentration.
100. In the term ‘LD 50’, LD stands for Lethal Dose.
101. In waterlogged rice fields, atmospheric nitrogen can be fixed to the soil by BGA.
102. Mitosis occurs in somatic cells.
103. Meiosis occurs in reproductive cells.
104. Producers are of large size in grassland ecosystems.
105. The IW/CPE ratio of rice is 1.2 (highest).
106. In soil testing laboratories, the flame photometric method estimates potassium.
107. In soil testing laboratories, the Brays method is used for estimating phosphorus.
108. Gypsum requirements in soil testing are found using Schoonorvar’s method.
109. Organic carbon in soil testing is estimated using the calometric method.
110. Soil nitrogen content is calculated from organic carbon.
111. CO2 content is generally higher during summer and lower during winter in soil.
112. Particle density of mineral soil is expressed in gram/cc.
113. In strip plot design, the interaction is tested with higher precision.
114. The most critical irrigation stage for sugarcane is formative.
115. Nitrogen, oxygen, and carbon dioxide account for about 99% of the atmosphere.
116. Increasing industrialization is causing much danger to man’s life by polluting the environment.
117. India has an arable land of 168 million hectares.
118. India has the largest area in the world under pulse crops.