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Agriculture

Agronomy MCQs

Practice Agronomy MCQs for competitive exams.

Agronomy MCQs

Practice questions from this topic.

The relationship between two organisms where one organism benefits but, the other is neutral (there is no harm or benefit) is known as

  1. A. Symbiosis
  2. B. Commensalism
  3. C. Mutualism
  4. D. None of these
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The average concentration of CO 2 in the atmosphere is:

  1. A. 380 ppm
  2. B. 500 ppm
  3. C. 305 ppm
  4. D. 421 ppm
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CO 2 concentration in the atmosphere is about

  1. A. 400 - 500 ppm
  2. B. 800 - 900 ppm
  3. C. 1300 - 1400 ppm
  4. D. 1800 - 2000 ppm
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Which one of the following is the characteristic of stripe rust of wheat

  1. A. Brown, elongated ruptured pustules on stem and leaf-sheath
  2. B. Yellow, small, spherical to oval ruptured uredo-pustules in rows of leaf
  3. C. White, spherical to oval, ruptured uredopustules on leaf
  4. D. Black teliopustules, scattered on under surface of the leaf
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Cofactor for Urease enzyme

  1. A. Molybdenum
  2. B. Iron
  3. C. Nickel
  4. D. Silicon
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Sugarbeet belong to the family

  1. A. Chenopodiaceae
  2. B. Compositae
  3. C. Cruciferae
  4. D. Malvaceae
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Seed work board is required for

  1. A. Viability test of seed
  2. B. Germination test of seed
  3. C. Purity test of seed
  4. D. Blending of seed
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On volume basis a sample of pure air on an average consists of . . . . . . . . carbon dioxide

  1. A. 0.003%
  2. B. 0.033%
  3. C. 3.030%
  4. D. 0.0003%
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The huskless variety of barley is

  1. A. RS 6
  2. B. KK 141
  3. C. Dolma
  4. D. None of these
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In tobacco, the basic aim of topping and desuckering is to

  1. A. Reduce the plant height
  2. B. Encourage branching
  3. C. Divert energy and nutrients from flower heads to leaves
  4. D. Protect the plants against lodging
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The Law of Optima was proposed by

  1. A. Libeig
  2. B. Blackman
  3. C. Misterlich
  4. D. Macy
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The optimum seed rate (kg/hectare) for getting desired population of castor is

  1. A. 12 - 15 kg/hectare
  2. B. 18 - 20 kg/hectare
  3. C. 20 - 25 kg/hectare
  4. D. 25 - 30 kg/hectare
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