Q. Auxin is used by gardeners to prepare weed free lawns. But no damage is caused to grass as auxin;
A) does not affect mature monocotyledonous plants.
B) can help in cell division in grasses, to produce growth.
C) promotes apical dominance.
D) promotes abscission of mature leaves only.
Explanation
[Solution by Claude - not from source] Synthetic auxins such as 2,4-D kill dicot weeds but not mature monocots like grass. Answer (1).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.