WBCS.LIVE practice question

Which one of the following is a natural auxin?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. NAA
  2. IAA
  3. 4-D
  4. IBA

Correct answer and explanation

Correct answer: IAA

Explanation: āœ… Correct Answer: B) IAA šŸ“š Explanation: Indole-3-acetic acid (IAA) is the most common and significant natural auxin found in plants. Auxins are plant hormones that regulate growth processes like cell elongation and root formation. Other substances like NAA or 4-D are synthetic versions created for agricultural use.