Palisade parenchyma is absent in leaf of _____________.
Sorghum
mustard
soyabean
gram
Protoxylem pointing to outside is called _______________
Exarchs
Eudarchs
Mesarch
Metarch
Main function of lenticle is ________________.
transpiration
guttation
gaseous exchange
bleeding
Where do the casparian bands occur?
vessels
xylem parenchyma
sieve tubes
tracheids
Parenchyma cells which conduct photosynthesis are called _________
Parenchyma
Collenchyma
Chlorenchyma
Aerenchyma
which of the following meristems is resposible for extrastelar secondary grwoth in dictoyledonous stem?
interfassicualr cambium
intercalary meristem
intrafascicular cambium
phellogen
Loading of phloem is related to ________________.
increases of sugar in phloem
elongation of phloem cell
separation of phloem parenchyma
strengthening of phloem fibre
The interculated primary meristem between the permanent tissues is called __________
Apical meristem
Intercalary meristem
Lateral meristem
Axillary meri6stem
Procambium forms ______________.
only primary vascular bundles
only vascular cambium
only cork cambium
Primary vascular bundles andvascular cambium
In flowering plants__________& ___________are main supporting elements.
Xylem & Phloem
Tracheids & vessels
Sclereids & fibres
Cells and tissues
