Question

Transfusion tissue, a modified vascular tissue is present in the leaves of [BHU 1985; CBSE PMT 1998]
A) Pinus
B) Dryopteris
C) Lycopodium
D) Dalbergia

Answer 1

ANSWER
............

THE ANSWER IS DELBERGIA

Answer 2

Transfusion tissue, a modified vascular tissue is present in the leaves of Pinus.

Option (A)

Explanation:

• Pinus is a large, perennial, evergreen plant.

• Pinus are cone bearing gymnosperms which carry male and female sporophylls on the same.

• The tissue which are present in the vascular bundles of gymnosperm is determined as transfusion tissue.

• It mainly focuses on exporting the material in between the vascular bundles and the mesophyl.

• The transfusion tissue were classified into three types namely tracheids, parenchyma and albuminous cells.

• The tracheids are responsible for the water transportaion and phloem responsible for the transportaion of food.

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