Influences of Ethylene in plants do not include

  1. Horizontal growth of seedlings
  2. Swelling of the axis
  3. Apical hook formation in dicot seedlings
  4. Lateral shoot growth
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Ethylene does not perform

  1. Promotes senescence and abscission of plant organs especially of leaves and flowers
  2. Highly effective in fruit ripening
  3. Enhances the respiration rate during ripening of the fruits
  4. Overcome the apical dominance
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The rise in respiration rate of fruit is called

  1. Respiratory quotient
  2. Respiratory climactic
  3. Respiratory incision
  4. Respiratory succulence
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Respiratory climactic is due to

  1. Ethylene
  2. ABA
  3. GA
  4. Auxins
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The function which is not performed by Ethylene is

  1. Breaking of seed and bud dormancy
  2. Initiates germination in peanut seeds
  3. Improving the internode length of sugarcane
  4. Promotes rapid internode and petiole elongation in deep water rice plants
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Sprouting of potato, helping the leaves or upper parts of the rice shoot to remain above water, promotes root growth and root hair formation and helping plants to increase their absorption surface. Which of the following hormones is involved in such physiological effects?

  1. Ethylene
  2. ABA
  3. GA
  4. Auxins
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Ethylene is not involved in which of the following physiological effect?

  1. Initiate flowering and for synchronising fruit-set in pineapples
  2. Induces flowering in mango
  3. The most widely used PGR in agriculture as regulates so many physiological processes
  4. Help overcome the apical dominance
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The most widely used compound as source of Ethylene is

  1. Ethephon
  2. Etiope
  3. Ethyl Methyl carbon
  4. Epitope
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Ethephon

Which of the following is not correct?

  1. In an aqueous solution, it is readily absorbed and transported within the plant and release ethylene slowly
  2. Hastens fruit ripening in tomatoes and apples
  3. Accelerates abscission in flowers and fruits
  4. Promotes male flowers in cucumbers thereby increasing the yield
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Ethephon

  1. Thinning Cotton, Cherry and Walnut
  2. Promotes female flowers in cucumber
  3. Hastens the fruit ripening in tomatoes and apples
  4. All of these
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