A narrow layer of thin walled cells found between phloem/bark and wood of a dicot is
cork cambium
vascular cambium
endodermis
pericycle
Periderm is produced by
fascicular cambium
phellogen
intrafascicular cambium
The length of different internodes in a culm of sugarcane is variable because of
shoot apical meristem
position of axillary buds
size of leaf lamina at the node below each internode
intercalary meristem
Death of protoplasm is a pre-quisite for a vital function like
transport of sap
transport of food
absorption of water
gaseous exchange
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
Which exposed wood will decay faster?
Sapwood
Softwood
Wood with lot of fibres
Heartwood
Pericycle of roots produces
mechanical support
lateral roots
vascular bundles
adventitious buds
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
Vascular tissue in flowering plants develop from
plerome
eriblem
dermatogen
Abnormal/anomalous secondary growth occurs in
Dracaena
ginger
wheat
sunflower
