The endarch protoxylem position is seen in
AThe stems of dicot flowering plants
BThe roots of dicot flowering plants
CThe leaves of monocot grass species
DThe thalli of brown marine algae
Answer & Solution
Correct answer: A. The stems of dicot flowering plants
ENDARCH = protoxylem toward the centre, metaxylem outward; seen in STEMS. EXARCH = protoxylem peripheral; seen in ROOTS. Dicot stems are endarch with bundles in a ring; dicot roots are exarch with radial bundles.
Related questions
How many xylem bundles does a monocot root usually have?How many xylem and phloem patches does a dicot root usually have?Which layer of the root initiates lateral roots and the vascular cambium?Casparian strips in the walls of endodermal cells carry a deposition of which material?What is the outermost layer of a dicotyledonous root called?In a conjoint vascular bundle, where is the phloem usually placed relative to the xylem?When xylem and phloem lie alternately along different radii, as in roots, the arrangement Monocot vascular bundles have no cambium, so they are described as what?