Question
Biology Question on Anatomy of Flowering Plants
Which of the following tissue is not a component of a complex tissues ?
A
Parenchyma
B
Collenchyma
C
Sclerenchyma
D
Tracheids
Answer
Collenchyma
Explanation
Solution
Collenchyma is a simple permanent tissue of refractile nonlignified living cells which possess pectocellulose thickenings in specific areas of their walls. It provides mechanical strength to young dicot stems and does not form any component of complex tissue. Whereas, parenchyma, sclerenchyma and tracheids contribute in complex permanent tissues such as xylem and phloem