Lesson: Chapter 1 — Living Tissues

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Question 1

Which of these is a complex tissue?

A Parenchyma B Collenchyma C Sclerenchyma D Xylem

The right answer is the one marked above.

Xylem. It contains four different kinds of cell — vessel cells, tracheids, fibres and parenchyma — working together as a unit.

This is question 1(ii) of the chapter exercise. The other three are simple permanent tissues, each built from one kind of cell.

Answer the question to continue.