Which one is true for sapwood

(1)It lies in the peripheral region of xylem

(2)It does conduction of water and minerals

(3)It is also called as alburnum

(4)All of the above

Subtopic:  Types of Wood |
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Least distinct annual rings are present in regions like

(1)tropical areas

(2)desert

(3)coastal areas

(4)All of the above

Subtopic:  Types of Wood |
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Cork cambium gives rise

(1)cork

(2)phelloderm

(3)phellem

(4)All of the above

Subtopic:  Activity of Cork Cambium |
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Periderm comprises of

(1)Phellem

(2)phellogen

(3)phelloderm

(4)All of these

Subtopic:  Activity of Cork Cambium |
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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

Subtopic:  Activity of Cork Cambium |
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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

Subtopic:  Activity of Cork Cambium |
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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

Subtopic:  Activity of Cork Cambium |
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Incorrect match is

(1)Phellogen  = cork cambium

(2)Phellem = Cork

(3)Phelloderm=cortex

(4)Phelloderm=Secondary cortex

Subtopic:  Activity of Cork Cambium |
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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

Subtopic:  Activity of Cork Cambium |
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The cork is impervious to ______due to __________deposition in the cell wall.

(1)water, suberin

(2)water, lignin

(3)water, wax

(4)water, cellulose

Subtopic:  Activity of Cork Cambium |
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