Anatomy of Flow...

For a critical study of secondary growth in plants, which one of the following pairs is suitable?

The cylinder of tissues lying inside the endodermis of plant stems and roots, containing the vascular tissues, is known as

Guard cells are considered as modified epidermal cells in the respect of :-
(i) Large in size
(ii) Possess chloroplast
(iii) Radially arranged microfibrils in cell wall
(iv) Differential thickening of walls
(v) Lack of nucleus
(vi) Non - living

Which of the following are the types of simple permanent tissues?

The meristem, in which the cells divide in several planes is 

The tissue that brings about an increase in the height of the plant is

Select the correct option on the basis of given features, to which they belong:
A. Cambium - Develops later
B. Pith - Absent
C. Epidermis -Possess unicelluiar hairs

Procambium forms 

Which of the following collateral  vascular bundles with endarch xylem are found?
a) Young root of bean    b) Maize root       c) Young stem of bean
d)Maize stem

In a dicot root vascular cambium is