Question

Identify the given figure and select the correct labels for A, B and C.

• A. A-Callose, B-Xylem parenchyma, C-Xylem vessel
• B. A-Callose, B-Phloem parenchyma, C-Phloem vessel
• C. A-Tylosis, B-Xylem parenchyma, C-Xylem vessel
• D. A-Tylosis, B-Phloem parenchyma, C-Phloem vessel

Answer 1

The correct option is C A-Tylosis, B-Xylem parenchyma, C-Xylem vessel

A - Tylosis (ingrowth of adjacent parenchyma cells into the empty xylem vessels of the heart wood). This provides protection from decay and prevents injury.
B - Xylem parenchyma - living tissue component of xylem
C - Xylem vessel - dead lignified tissue component of xylem, conducts water and minerals in newly formed wood or sap wood.