Q. In dicot stem, secondary xylem lie towards the …A… and secondary phloem lie towards the …B… . Choose the correct combination of options for A and B

A) A-pith; B-periphery
B) A-periphery; B-pith
C) A-periphery; B-laterally
D) A-pith; B-laterally
Explanation

The cambial ring becomes active and begins to cut off new cells, both towards the inner and the outer sides. The cells cut off towards the pith, mature into secondary xylem and the cells towards the periphery mature into secondary phloem

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.