Question

Vascular cambium is a meristematic layer that cuts off [CBSE PMT 1990]
A) Primary xylem and primary phloem
B) Xylem vessels and xylem tracheids
C) Primary xylem and secondary xylem
D) Secondary xylem and secondary phloem

Answer 1

hola there

d) is the correct answer

Answer 2

Dear Sumaiya,

● Answer - (D)

Vascular cambium is a meristematic layer that cuts off secondary xylem and secondary phloem.

◆ Explanation -

• Vascular cambium is a plant tissue located between the xylem and the phloem in the stems and roots of certain vascular plants.
• It is special type of meristematic tissue which produce secondary vascular tissue on division.
• Wood cells (secondary xylem) are formed on the inside & bark cells (secondary phloem) is produced on the outside of vascular cambium.

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