agronomy MCQs – Page 3

Practise focused agronomy questions with marked answers for exam preparation and subject revision.

agronomy Mcqs
41. The ratio of actual cultivated area to a total farm area over a year is called__________________?
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A. None of the above

B. Cost-benefit ratio

C. Cropping pattern

D. Cropping intensity
42. The Cotton plant belong to family ?
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A. Malvaceae

B. Fabaceae

C. Leguminaceae

D. Gramineae

43. Among the important green house gases two are found in higher concentration________________?
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A. Methane and carbon mono oxide

B. None of the above

C. Carbon and nitrogen oxide

D. Methane and nitrogen

44. Water courses are lined to avoid_________________?
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A. Transpiration

B. Evaporation

C. Seepage

D. Erosion

45. Plants adopted to arid regions are___________________?
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A. Hydrophytes

B. Xerophytes

C. Aridic plants

D. Mesophytes

46. Causal organism of root rot of cotton is_____________________?
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A. Rhizoeionia solani

B. Rhizoctonia bataticola

C. Both of them
47. Among the cotton exporting countries the number of Pakistan is_______________?
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A. 1<sup>st</sup>

B. 3rd

C. 4<sup>th</sup>

D. 2<sup>nd</sup>

48. Vigor index of seedings in rice can be determined on___________________?
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A. Quantitative basis

B. Qualitative basis

C. Both a & b

D. None of the above

49. Percentage of area irrigated by a cusec of water during the season is called_______________?
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A. Cusec

B. Intensity

C. Irrigation frequency

D. Base period

50. The lowest pest population that will cause economic damage is called__________________?
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A. Economic damage

B. Economic pest

C. None of the above

D. Economic threshold
51. The soil has got______________?
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A. Two horizons

B. Seven horizons

C. Five horizons

D. Six horizons

52. Fumigating and warming soil by covering it with black plastic is called__________________?
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A. Fumigation

B. Mulching

C. Soil solarization

D. None of the above

53. A. income farm where the operator is producing primarly his familys needs rather than for sale is called_______________?
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A. Progressive farming

B. Intensive farming

C. Subsistence farming

D. Family farming

54. Use of tetrazolium staining for assessment of seed quality was suggested by________________?
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A. Maguire (1962)

B. Moore (1973)

C. Woodstock (1973)

D. Germ (1950)

55. Which is the most important cereal crop of temperature region________________?
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A. Wheat

B. Paddy

C. Barley

D. Maize

56. The practice of producing two successive crops of same species from same piece of land in one year is called_________________?
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A. Doubling cropping

B. Intercropping

C. Monocropping

D. Cropping pattern

57. The plants which grown on stream bank are__________________?
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A. None of the above

B. Bryophytes

C. Xerophytes

D. Pheritophytes
58. A crop grown on residual moisture after harvesting rice is called__________________?
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A. Ratoon crop

B. Dubari crop

C. Sure crop

D. Barani crop

59. Breeder seed is the progeny of_____________________?
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A. Nucleus seed

B. Certified seed

C. Foundation seed

D. Registered seed

60. Which one of the following constitute the best defamation of fruit________________?
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A. A fruit is a product of flower

B. A fruit is post-fertilization product of the pistil

C. A fruit is a mature ovary that contain seed

D. A fruit is a product of ovary