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Which plant hormone is known to delay senescence in leaves? (2022)

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Question: Which plant hormone is known to delay senescence in leaves? (2022)

Options:

  1. Gibberellins
  2. Cytokinins
  3. Ethylene
  4. Abscisic acid

Correct Answer: Cytokinins

Exam Year: 2022

Solution: 

Cytokinins are known to delay senescence and promote cell division in plants.

Which plant hormone is known to delay senescence in leaves? (2022)

Practice Questions

Q1
Which plant hormone is known to delay senescence in leaves? (2022)
  1. Gibberellins
  2. Cytokinins
  3. Ethylene
  4. Abscisic acid

Questions & Step-by-Step Solutions

Which plant hormone is known to delay senescence in leaves? (2022)
  • Step 1: Understand what senescence means. Senescence is the process of aging in plants, especially in leaves.
  • Step 2: Learn about plant hormones. Plant hormones are chemicals that help control growth and development in plants.
  • Step 3: Identify the hormone that affects senescence. Cytokinins are a type of plant hormone.
  • Step 4: Know the function of cytokinins. Cytokinins help delay the aging process (senescence) in leaves and promote cell division.
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