Q. Which one of the following conditions is seen in the roots of a plant having submerged assimilatory roots and spongy petioles?
A) Triarch
B) Monarch
C) Tetrarch
D) Diarch
Explanation
Trapa natans is a hydrophyte. It has monarch (one xylem strand) condition in slender root and spongy petioles.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.