which of the following meristems is resposible for extrastelar secondary grwoth in dictoyledonous stem?
interfassicualr cambium
intercalary meristem
intrafascicular cambium
phellogen
The meristem that occur in nature regions of shots and roots are called ________
Secondary meristem
Primary meristem
Lateral meristem
All above
Parenchyma cells with air spaces are called _____________
Cholenchyma
Aerenchyma
Sclerenchyma
Macilagenous cells
The interculated primary meristem between the permanent tissues is called __________
Apical meristem
Intercalary meristem
Axillary meri6stem
Bordered pits are found in ________________.
sieve cells
vessel wall
companion cell
sieve tube wall
Procambium forms ______________.
only primary vascular bundles
only vascular cambium
only cork cambium
Primary vascular bundles andvascular cambium
Grit cells are found in ___________
Fruit walls of nuts
Pulp of fruits like guava
Pear and sapota
All correct
Elongated,narrow cells with thick and lignified cells walls having Lew or numerous pits are called ____________
Parenchyma
Collenchyma
In flowering plants__________& ___________are main supporting elements.
Xylem & Phloem
Tracheids & vessels
Sclereids & fibres
Cells and tissues
What is true about a monocot leaf?
Reticulate venation
Absence of bulliform cells from epidermis
Mesophyll not differenitiated into palisade and spongy tissues
well differentiated mesophyll
