Match each item in Column I with one in Column II and select the correct answer from the codes given:
A. Spring [early] wood | a. Xylary elements with wider cavities |
B. Autumn [late] wood | b. Xylary elements with narrow vessels |
C. Heartwood | c. Central or innermost layers of secondary xylem |
D. Sapwood | d. Peripheral region of the secondary xylem |
A | B | C | D | |
1. | a | b | c | d |
2. | a | b | d | c |
3. | b | a | c | d |
4. | b | a | d | c |
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To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
In the given diagram:
1. the lighter outer area is the heart wood or alburnum and is mechanically strong, resistant to decay, and less easily penetrated by wood-preservative chemicals
2. the lighter outer area is the Sapwood or alburnum and is involved in transport of water and minerals to the crown of the tree
3. the darker inner area is the heart wood or duramen and is involved in transport of water and minerals to the crown of the tree
4. the darker inner area is the sap wood or duramen and is mechanically strong, resistant to decay, and less easily penetrated by wood-preservative chemicals