In flowering plants__________& ___________are main supporting elements.
Xylem & Phloem
Tracheids & vessels
Sclereids & fibres
Cells and tissues
Vascular tissues in flowering plants develop from ____________.
phellogen
plerome
periblem
dermatogen
In a woody dicotledonous tree, which of the following parts will mainly consisst of primary tissues?
All parts
Stem and root
Flowers, fruits and leaves
Shoot tips and root tips
What happens during vacularization in plants?
Differentiation of procambium is immediately followed by the devlopment of secondary xylem and phloem
Differentiation of procambium followed by the development of xylem and phloem
Differentiation of procambium, xylem and phloem simultaneous
Differentiation of procambium followed by the development of primary phloem and then by primary xylem.
Collenchyma occurs in teh stem and petioles of ____________.
xerophytes
monocots
dicot herbs
hydrophytes
Vascular tissues in flowering plants develop from ______________.
Main function of lenticle is ________________.
transpiration
guttation
gaseous exchange
bleeding
___________are known as cylindrical meristems.
Lateral Meristems
Apical Meristems
Shoot meristem
Root Meristem
Permenent tissues having similar in structure and functions are called _____________
simple tissues
complex tissues
Meristems
Vessels
Palisade parenchyma is absent in leaf of _____________.
Sorghum
mustard
soyabean
gram
