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Plant Hormones (AIPVT)

Plant hormones, growth regulators, and related physiological processes

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which plant hormone is known as anti-gibberellin hormone?

  1. Florigen
  2. ABA
  3. Ethylene
  4. Auxin
Question 2 Multiple Choice (Single Answer)

Which of the following is a gaseous hormone?

  1. Auxin
  2. Gibberellin
  3. Abscisic acid
  4. Ethylene
Question 3 Multiple Choice (Single Answer)

Which hormone is used for ripening of fruits?

  1. ABA
  2. Ethylene
  3. Indole acetic acid
  4. Cytokinin
Question 4 Multiple Choice (Single Answer)

What are anthesins required for?

  1. Growth of stem
  2. Formation of flowers
  3. Dormancy of seeds
  4. Inhibition of elongation of stem
Question 5 Multiple Choice (Single Answer)

Who discovered flowering hormone florigen?

  1. Skoog
  2. Carns and Addicott
  3. Cajiachjan
  4. Crocker et al
Question 6 Multiple Choice (Single Answer)

In which plant is hypogeal germination of seeds seen?

  1. Rhizopora
  2. Gram
  3. Bean
  4. Mangrove
Question 7 Multiple Choice (Single Answer)

Soybean is referred as

  1. short day plant
  2. long day plant
  3. day neutral plant
  4. short night plant
Question 8 Multiple Choice (Single Answer)

What is vernalisation?

  1. Growth curve of plant in response to light
  2. Method of inducing early flowering in plants by treatment of their seeds at low temperature
  3. Effect of length of the day on the behavior of plant
  4. Giving birth to young plants directly
Question 9 Multiple Choice (Single Answer)

Which of the following is a short night plant?

  1. Cotton
  2. Strawberry
  3. Alfa alfa
  4. Sugarcane
Question 10 Multiple Choice (Single Answer)

Which light promotes germination?

  1. Blue
  2. Red
  3. Infrared
  4. Ultraviolet
Question 11 Multiple Choice (Single Answer)

Which hormone induces flowering at low temperatures?

  1. Florigen
  2. Vernalin
  3. Dormin
  4. Auxin
Question 12 Multiple Choice (Single Answer)

Which of the following is a major function of cytokinin?

  1. It inhibits elongation of stem.
  2. It causes dormancy of seed.
  3. It stimulate cell division, even in non-meristematic tissues.
  4. It causes parthenocarpy.
Question 13 Multiple Choice (Single Answer)

Which of the following is a growth inhibitor?

  1. Auxin
  2. ABA
  3. Gibberellin
  4. Cytokinin
Question 14 Multiple Choice (Single Answer)

Where is abscisic acid synthesised?

  1. Roots
  2. Stems
  3. Leaves
  4. Flowers
Question 15 Multiple Choice (Single Answer)

Which amino acid is required for formation of ethylene?

  1. Tryptophan
  2. Proline
  3. Cysteine
  4. Methionine
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