Question

1) Explain the formation of complex permanent tissue in plants. Mention the two types of complex tissues and write their functions.

Answer 1

tissues made up of more than one type of tissues work together as a unit
xylem and phloem are complex tissues
xylem helps in water conduction

Answer 2

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✔✔Tissues composed of more than one type of cells are called complex permanent tissues. There are two types of complex permanent tissues:-

⭕Xylem - Xylem is a vascular and mechanical tissue. it is composed of four different types of cells:- Tracheids, Vessels, Xylem parenchyma, Xylem sclerenchyma.
The cells have thick walls and many of them are dead cells. Tracheids and vessels are tubular structure. This allows them to transport water and Minerals vertically. The parenchyma stores food and helps in sideways conduction of water.

⭕Phloem - Phloem is made up of four types of elements:- Sieve tubes, Companion cells, Phloem Parenchyma and Phloem fibres. Except from phloem fibres phloem cells are living cells. Sieve tubes are tubular cells with perforated by numerous pores and are called sieve plates. Phloem transports food leaves to other plants of the plant.