Gum is secreted by A) Dermal layer B) Meristematic cells C) Xylem D) Phloem

Pteridophytes are known as first vascular and true land plants.

C) Cell theory

C) Both xylem and phloem

(A)Trachieds  Xylem elements are - Trachieds, vessels, xylem fibre and xylem parenchyma 

C) Complex tissue

Group – A Group – B 1) Meristematic tissue E) Dividing cells 2) Xylem C) Conduction of water and minerals 3) Phloem D) Transport of food materials 4) Epidermis A) Protection 5) Apical Meristem B) Growing region

C) ii ,iii and iv

The correct answer is (B) Leptome

(C) vascular cambium