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Agriculture

Agronomy MCQs

Practice Agronomy MCQs for competitive exams.

Agronomy MCQs

Practice questions from this topic.

The intercropping of maize and soybean leads to maximisation returns in comparison to mono cropping of maize or soybean. Which one of the following describes the enterprise relationship leading to higher returns of maize and soyabean?

  1. A. Supplementary relation
  2. B. Complementary relation
  3. C. Competitive relation
  4. D. Substitution relation
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Numbers of hot spot (biodiversity) present in India

  1. A. 1
  2. B. 2
  3. C. 3
  4. D. 4
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Water requirement (WR) includes the losses due to

  1. A. Evapotranspiration and application of water
  2. B. Consumptive use of water and application of water
  3. C. Consumptive use, water required for special operation and other eonomically unavoidable losses of water
  4. D. ET and water required for special operations
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UPAS 120 is a variety of

  1. A. Wheat
  2. B. Pigeonpea
  3. C. Rice
  4. D. Maize
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Groundnut pegs when developed in the soil from

  1. A. Stems
  2. B. Roots
  3. C. Tubers
  4. D. Fruits
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The inherent capacity of soil to supply plant nutrients in adequate amount and suitable proportion is called

  1. A. Fertility index
  2. B. Soil fertility
  3. C. Soil productivity
  4. D. None of these
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Bacteria responsiblefor N fixation in soybean is

  1. A. R. phaseoli
  2. B. R. glycicum
  3. C. R. japonicum
  4. D. R. leguminoserum
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The ginning percentage in cotton can be worked out by the formula

  1. A. fracWeight of lint Weight of cotton seed times 100
  2. B. fracWeight of lint Weight of seed cotton times 100
  3. C. fracWeight of cotton seed Weight of lint times 100
  4. D. fracWeight of seed cotton Weight of lint times 100
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If a plant shows extensive interveinal chlorosis of the older leaves and late this reaches the younger leaves, the symptoms is due to lack of

  1. A. Magnesium
  2. B. Calcium
  3. C. Iron
  4. D. Copper
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Total cultivated area in India is close to

  1. A. 500 mha
  2. B. 400 mha
  3. C. 180 mha
  4. D. 60 mha
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The major component of biogas generated from cow-dung is

  1. A. H 2
  2. B. CO 2
  3. C. N 2
  4. D. CH 4
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Triple Response is associated with

  1. A. Auxin
  2. B. Cytokinin
  3. C. GA3
  4. D. Ethylene
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