Question:
Which plant growth regulator is used for inducing roots in cuttings?
Which plant growth regulator is used for inducing roots in cuttings?
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Plant growth regulators:
- IBA: Root induction.
- BAP: Shoot multiplication.
- GA3: Stem elongation.
- ABA: Stress response.
- IBA: Root induction.
- BAP: Shoot multiplication.
- GA3: Stem elongation.
- ABA: Stress response.
Updated On: Sep 1, 2026
- BAP
- IBA
- ABA
- GA$_3$
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of plant growth regulators and their functions.
Step 2: Detailed Explanation:
IBA (Indole-3-butyric acid) is used for inducing roots in cuttings.
It is a synthetic auxin.
BAP (A): Benzylaminopurine (cytokinin) for shoot multiplication.
ABA (C): Abscisic acid (stress hormone).
GA$_3$ (D): Gibberellic acid (stem elongation).
Thus, IBA is the correct answer.
Step 3: Final Answer:
Thus, IBA is used for inducing roots in cuttings, which corresponds to option (B).
[0.5cm]
This question tests knowledge of plant growth regulators and their functions.
Step 2: Detailed Explanation:
IBA (Indole-3-butyric acid) is used for inducing roots in cuttings.
It is a synthetic auxin.
BAP (A): Benzylaminopurine (cytokinin) for shoot multiplication.
ABA (C): Abscisic acid (stress hormone).
GA$_3$ (D): Gibberellic acid (stem elongation).
Thus, IBA is the correct answer.
Step 3: Final Answer:
Thus, IBA is used for inducing roots in cuttings, which corresponds to option (B).
[0.5cm]
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