In a dicot stem cross section, medullary rays are
ARadial rows of parenchyma between bundles
BLignified tissues forming the central pith
CLayers of collenchyma in hypodermis
DEndodermal cells with Casparian strips
Answer & Solution
Correct answer: A. Radial rows of parenchyma between bundles
Medullary rays are radially placed parenchymatous cells between adjacent vascular bundles.
They store and translocate.
During secondary growth, they extend through the vascular cambium and contribute to secondary xylem rays.
Keep practising Unit 8N: Ecosystem Services, Succession & Global Change
Browse all Unit 8N: Ecosystem Services, Succession & Global Change questions for AP Biology, or explore more Biology topics.
Related questions
In SEXUAL reproduction, the offspring inherit:After the tip of a young plant stem is cut off, the stem stops growing in length but new bA scientist observes thin, rectangular, tightly packed cells forming a single outer layer The increase in GIRTH (thickness) of a tree trunk is due to:Roots grow longer because of cell division in the:Which plant tissue is responsible for ACTIVE cell division (growth)?A group of cells of similar structure that work together to perform a specific function isThe outermost protective layer of the plant body is: