Companion cells are closely associated with
sieve elements
vessel elements
trichomes
trichomes
A major characteristic of the monocot root is the presence of
Open vascular bundles
Scattered vascular bundles
Vasculature without cambium
Vasculature without cambium
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structure will you use to distinguish between the two?
Secondary xylem
Secondary phloem
Protoxylem
Protoxylem
Vascular bundles in monocotyledons are considered closed because
a bundle sheath surrounds each bundle
cambium is absent
there are no vessels with perforations
there are no vessels with perforations
Interfascicular cambium develops from the cells of
medullary rays
xylem parenchyma
endodermis
endodermis
As compared to a dicot root, a monocot root has
more abundant secondary xylem
many xylem bundles
inconspicuous annual rings
inconspicuous annual rings
To obtain virus - free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
Apical meristem only
Palisade parenchyma
Both apical and axillary meristems
Both apical and axillary meristems
