MCQ
Which is present in vascular bundles of gymnosperms
- ✓Tracheids
- BVessels
- CCompanion cells
- DAll of these
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$(I)$ Compound epithelium is made of multi layered of cells.
$(II)$ Limited role in secretion and absorption.
$(III)$ To provide protection against chemical and mechanical stresses.
$(IV)$ It present in $PCT$.