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 2A: Ecosystem Services, Succession and Biodiversity
Browse all Unit 2A: Ecosystem Services, Succession and Biodiversity questions for AP Intermediate 1st Year, or explore more Environmental Science topics.
Related questions
The endarch protoxylem position is seen inPhloem parenchyma is GENERALLY ABSENT inPericycle in the dicot root gives rise toVasa recta is the structural analog (functional, not anatomical) in PLANTS ofConjoint, open and endarch vascular bundles arranged in a ring are diagnostic ofThe cells next to phloem on the inner side of dicot stem endodermis formThe cuticle is generally ABSENT inWhich feature is CHARACTERISTIC of an isobilateral (monocot) leaf?