Q. Stems are
A) Positively phototropic
B) Negatively geotropic
C) Negatively hydrotropic
D) All of the above
Explanation
Positively phototropic, negatively geotropic, negatively hydrotropic are fundamental characters of stem
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.