Question

What regulates plant growth?

• A. Auxins
• B. Gibberellins
• C. Cytokinins
• D. All of the above

Hint:

Plant growth hormones work together for development. Understand their individual and collective roles.

Answer 1

The Correct Option is D

Plant growth is regulated by:
Auxins: Promote cell elongation and phototropism.
Gibberellins: Stimulate stem elongation and seed germination.
Cytokinins: Promote cell division and delay senescence.
These hormones act synergistically or antagonistically to regulate overall growth and development.
Final Answer: \[ \boxed{\text{All of the above}} \]