Question

write the components of xylem and phloem tissue ?

Answer 1

The components of xylem tissue are tracheids, vessels, xylem parenchyma, xylem fibre.
The components of phloem tissue are sieve tube, companion cells, phloem fibre, phloem parenchyma.

Answer 2

Components of Xylem

• Tracheids
• vessels
• Xylem parenchyma

Components of phloem

• Sieve tubes
• sieve plates
• phloem parenchyma
• companion cell

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Function of xylem and phloem-

Xylem

1. It helps un the conduction of water and minerals from roots to all oarts of the shoot.
2. It also provide mechanical support.

Phloem

1. It transport food from leaves to other parts of the plant.
2. Phloem Parenchyma helps in the storage of food.

Explanation:

Xylem:

• consists of tracheids, vessels, xylem parenchyma and xylem fibres. The cells have thick walls and many of them are dead cells. Tracheids and vessels are tubular structures. This allows them to transport water and minerals vertically. The parenchyma stores food and helps in the sideways conduction of water. Fibres are mainly supportive in function.

Phloem:

• Phloem is made-up of four types of elements; sieve tubes, companion cells, phloem fibres and the phloem parenchyma. Sieve tubes are tubular cells with perforated end walls. Phloem is unlike xylem in that materials can move in both directions in it. Except for phloem fibres, phloem cells are living cells.

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