Xylem fibre is

Read the followingstatements... (A) When protoxylem towards centre and metaxylem periphery-endarch (B) In roots protoxylem towards periphery and metaxylem towards centre- exarch (C) In stem, protoxylem towards centre and metaxylem towards both outer & inner side mesearch D) Xylem fibre is wood fibre (E) The early formed xylem is called as protoxylem and later formed xylem is metaxylem

Assertion :- Xylem fibres have highly thickened walls and continous central lumen. Reason :- Xylem fibre's wall show lignin deposition and there is no septation and deposition in their lumen face.

Which of the following is mechanical tissue? a. Xylem fibre b. Phloem fibre c. a & b d. None of the these.

Xylem fibres posses obliterated central lumen due to very thick walls. This helps to perform the function of

Xylem fibres posses obliterated central lumen due to very thick walls. This helps to perform the function of

Parenchyma is usually present in, i) Cortex ii) Phloem fibre iii) Pericycle iv) Pith v) Hypodermis vi) Medullary rays vii) Xylem fibres viii) Mesophyll tissue

1.Procambium " " (i) Libriform fibres 2. Vascular cambium " " (ii) Metapholem 3. Xylem fibres " " (iii)Secondary phloem 4. Later formed primary phloem " " (iv) Primary phloem

Parenchyma is usually present in, i) Cortex ii) Phloem fibre iii) Pericycle iv) Pith v) Hypodermis vi) Medullary rays vii) Xylem fibres viii) Mesophyll tissue

Read the following statements and find out the correct statements. A. Tracheids are elongated or tube like cells with thin and lignified walls and tapering ends. B. Vessal elements are interconnected through perforations in their common walls. C. Xylem fibres are always septate.

Read the following statements and find out the correct statements. A. Tracheids are elongated or tube like cells with thin and lignified walls and tapering ends. B. Vessal elements are interconnected through perforations in their common walls. C. Xylem fibres are always septate.