Which is correct about transport or conduction of substances ?
Organic food moves up through phloem
Organic food moves up through xylem
Inorganic food moves upwardly and downwardly through xylem
Organic food moves upwardly and downwardly through phloem
Procambium forms
only primary vascular bundles
only vascular cambium
only cork cambium
primary vascular bundles and vascular cambium
The apical meristem of the root is present
in all the roots
only in radicals
only in tap roots
only in adventitious roots
Monocot leaves possess
intercalary meristem
lateral meristem
apical meristem
mass meristem
For a critical study of secondary growth in plants, which one of the following pairs is suitable ?
Sugarcane and sunflower
Teak and pine
Deodar and fern
Wheat and maiden hair fern
For union between stock and scion in grafting which one is the first to occur ?
Formation of callus
Production of plasmodesmata
Differentiation of new vascular tissues
Regeneration of cortex and epidermis
Where do the Casparian bands occur ?
Epidermis
Endodermis
Pericycle
Phloem
Cork is formed from
cork cambium (phellogen)
vascular cambium
phloem
xylem
Vessels are found in
all angiosperms and some gymnosperms
most of angiosperms and few gymnosperms
all angiosperms and few gymnosperms and some pteridophytes
all pteridophytes
Chlorenchyma is known to develop in the
pollen tube of Pinus
cytoplasm of Chlorella
mycelium of a green mould such as Aspergillus
spore capsule of a moss
