Q. Viral infection is usually absent in
A) Phloem cells
B) Xylem cells
C) Pith cells
D) Apical meristem
Explanation
The apical meristems are present in the apices of primary and secondary shoots and roots of the plant. The cells of apical meristem are in very active stage of division, have dense cytoplasm, thin cell wall and remain virus free.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.