A) Tracheid and collenchyma
B) Sclerenchyma and sieve tube
C) Sclerenchyma and trachea
D) Parenchyma and endodennis
Correct Answer: C
Solution :
The cells of sclerenchyma are long or short, narrow, thick walled and lignified. These are dead cells and do not perform any metabolic function. Tracheids (tracheary element) are elongated cells with tapering ends. The wall of tracheids is moderady thick and usually lignified.
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