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Which hormone is primarily responsible for promoting cell elongation in plants?

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Question: Which hormone is primarily responsible for promoting cell elongation in plants? (2021)

Options:

  1. Gibberellins
  2. Auxins
  3. Cytokinins
  4. Ethylene

Correct Answer: Auxins

Exam Year: 2021

Solution: 

Auxins are known to promote cell elongation by loosening the cell walls, allowing cells to expand.

Which hormone is primarily responsible for promoting cell elongation in plants?

Practice Questions

Q1
Which hormone is primarily responsible for promoting cell elongation in plants? (2021)
  1. Gibberellins
  2. Auxins
  3. Cytokinins
  4. Ethylene

Questions & Step-by-Step Solutions

Which hormone is primarily responsible for promoting cell elongation in plants? (2021)
  • Step 1: Understand that plants have hormones that help them grow.
  • Step 2: Learn that one important hormone is called auxin.
  • Step 3: Know that auxin helps cells in plants to grow longer.
  • Step 4: Realize that auxin works by loosening the walls of the cells.
  • Step 5: When the cell walls are loosened, the cells can expand and elongate.
No concepts available.
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