Explain the types of complex permanent tissues. – InterviewSolution

1.

Explain the types of complex permanent tissues.

Answer»

Name of tissue	Xylem	Phloem
Characteristics	Consists of thickwalled dead cells	Consists of cytoplasm containing living cells.
Types of cells	Tracheids, vessels and xylem fibres – dead cells. Xylem parenchyma – living cells.	Sieve tubes, companion cells, phloem parenchyma – living cells. Phloem fibres – dead cells.
Function	A structure like interconnected tubes, conduct water and minerals only in upward direction.	Tubes joined to each other, conduct sugar and amino acids from leaves to various parts in upward and downward direction

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