Question

Common feature in vessel elements and sieve tube elements is _______________.

• A. Enucleate condition
• B. Presence of P-protein
• C. Thick secondary wall
• D. Pores on lateral walls

Answer 1

The correct option is D Pores on lateral walls

Answer is option D i.e. "Pores on lateral walls"
The walls of both vessel elements and sieve tube elements are perforated by large opening. Due to this adaptation, the cell to cell contact is possible.
While, the sieve tubes are enucleated whereas the vessels are nucleated.