First slide
The Tissue System
Question

These are exclusively present in the vascular bundles but not in other parts of plant

A. Sieve cells 

B. Tracheids 

C. Parenchyma  

D. Fibers
 

Easy
Solution

Sieve cells are exclusive components of Phloem of pteridophytes and gymnosperms. Tracheids are the components of xylem of Pteridophytes, Gymnosperms and also Angiosperms. Parenchyma is present in the vascular bundles, ground tissue and epidermis. Fibers can be present in the ground tissue, xylem and phloem.  

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