First slide

The Tissue System

Question

In course of evolution the first formed vascular bundles are

Moderate

A

radial separate vascular bundles
B

collateral open vascular bundles
C

collateral closed vascular bundles
D

bicollateral vascular bundles.

Solution

Vascular bundles are first seen in pteridophytes. The first developed organ form embryo of pteridophytes is root. The root of any plant has radial separate vascular bundles in all vascular plants.

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