Collenchyma differs from parenchyma in
Possessing thick cell wall
Lacking protoplasm
Containing chloroplasts usually
Being meristematic
Which is present in vascular bundles of gymnosperms
In flowering plants, the main water transporting elements are
What is meant by permanent tissue ? Give its types.
Which type of tissue is immediately produced from a meristem
Which of the following elements has its end walls perforated