Answer:
The correct answer is option D- Basal plate.
Step-by-step explanation:
The bulb is a characteristic feature of perennial plants, the cross-section of which shows five parts: the basal plate, tunic and fleshy scales.
The basal plate is a compact fleshy part of the bulb present at the base of the plant. The basal plate is a modified stem from which new organs are born as it is the source of all flowering and vegetative buds.
Thus, option D- Basal plate is the correct answer.