Procambium forms
only primary vascular bundles
only vascular cambium
only cork cambium
primary vascular bundles and vascular cambium
In a longitudinal section of root, starting from the tip upward, the four zones occur in the 3 following order
root cap, cell division, cell enlargement, cell maturation
root cap, cell division, cell maturation, cell enlargement
cell division, cell enlargement, cell maturation, root cap
cell division, cell maturation, cell enlargement, root cap
Monocot leaves possess
intercalary meristem
lateral meristem
apical meristem
mass meristem
Vascular cambium produces
primary xylem and primary phloem
secondary xylem and secondary phloem
primary xylem and secondary phloem
secondary xylem and primary phloem
Collenchyma occurs in the stem and petioles of
xerophytes
monocots
dicot herbs
hydrophytes
A leaf primordium grows into the adult leaf lamina by means of
marginal meristem
at first by apical meristem and later largely by marginal meristem
Vascular tissue in flowering plants develop from
phellogen
plerome
eriblem
dermatogen
Pericycle of roots produces
mechanical support
lateral roots
vascular bundles
adventitious buds
Which one yield fibres?
Coconut
Oak
Teak
Sissoo
Passage cells are thin walled cells found in
endodermis of roots facilitating rapid transport of water from cortex to pericycle
phloem elements that serve as entry points for substances for transport to other plant parts
testa of seeds to enable emergence of growing embryonic axis during seed germination
central region of style through which the pollen tube grows towards the ovary
