A) Parenchyma
B) Collenchyma
C) Sclerenchyma
D) Tracheids
Correct Answer: B
Solution :
: Collenchyma is a simple permanent tissue of retractile nonlignified living cells which possess pectocellulose thickenings in specific areas of their avails. It provides mechanical strength to young dicot stems and does not form any component of complex tissue. Whereas, parenchyma, sclerenchyma and trachieds contribute in complex permanent tissues such as xylem and phloem.
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