Cork cambium gives rise

(1)cork

(2)phelloderm

(3)phellem

(4)All of the above

Periderm comprises of

(1)Phellem

(2)phellogen

(3)phelloderm

(4)All of these

The dead cells which are formed towards the epidermis by cork cambium are called as

(1)cork

(2)phellem

(3)phelloderm

(4)Both A and B

The chloroplast containing parenchymatous cells which are formed towards the innerside by cork cambium are called as

(1)secondary cortex

(2)phelloderm

(3)phellem

(4)Both A and B

Which one is true for phellogen

(1)thick layer cells

(2)narrow, thin walled and nearly rectangular cells

(3)gives rise to phellem and phelloderm

(4)All of the above

Incorrect match is

(1)Phellogen  = cork cambium

(2)Phellem = Cork

(3)Phelloderm=cortex

(4)Phelloderm=Secondary cortex

In plants the replacement of the outer cortical and epidermal layers when they are broken are because of the

(1)Cork cambium

(2)vascular cambium

(3)Phellogen

(4)Both A and C

The cork is impervious to ______due to __________deposition in the cell wall.

(1)water, suberin

(2)water, lignin

(3)water, wax

(4)water, cellulose

Bark non-technically refers to tissues which lies

(1)exterior to vascular cambium

(2)exterior to cork cambium

(3)exterior to primary phloem

(4)All of the above

How many of the followings constitute the bark?

( secondary phloem, secondary cortex, cork cambium, complimentary cells, epidermis, periderm )

(1)6

(2)5

(3)4

(4)3