Question

The hormone responsible for apical dominance is________

• A. IAA
• B. ABA
• C. GA
• D. Kinetin

Answer 1

Answer:

A. IAA

• Indole-3-acetic acid (IAA) is the hormone responsible for apical dominance.

• ABA promotes abscission of older parts.

• GA delays senescence.

• Kinetin helps in removing apical dominance and aiding lateral growth.