Question

Horizontal growth of seedling, swelling of axis and apical hook formation of dicot seedlings are associated with -

• A. Photoperiodism
• B. Vernalisation
• C. Ethylene
• D. Cytokinin

Hint:

Ethylene is critical for plant stress responses and developmental processes.

Answer 1

The Correct Option is C

Ethylene regulates horizontal growth, axis swelling, and apical hook formation in dicots.