Question

Best answer will be selected brainliest.

Describe the parts and functions of xylem and phloem.

At least 150 words.

Answer 1

xylem transfer water to parts of plant whereas phloem transfer food to different parts of plant

Answer 2

xylem is the tissue which transports water across the plant parts it transports water unidirectionally
parts of xylem are
1 xylem fibre
2. xylem tracheids
3. xylem vessels
4. xylem parenchyma
TRACHEIDS-
there long tubular dead cells with lignified walls wide lumen and tapering ends tracheids possess various types of thickenings for mechanical strength.
VESSELS-
they are very long tubes which are formed by end to end Union of a large number of dead empty cells where the transfers walls break down completely.
FIBERS-
they are sclerenchyma fibres found in Jhelum xylem fibres have thick pitted wall narrow lumen and tappering ends.
XYLEM PARENCHYMA,:
it consists of living cells present inside the xylem cells of xylem parenchyma store food.

PHLOEM
elements of phloem are
phloem parenchyma ,phloem fibres, companion cells ,sieve tubes
SIEVE TUBES,
they are elongated tubular living conducting channels of phloem a sieve tube is formed of a large number of thin walls sieve tube cells they help in conduction of food.
Companion cells.
they are thin walled cells which lie on the side of sieve tube cells companion cells are connected to sieve tube cells through compound plasmodesmata the cells have dense cytoplasm prominent nucleus.
PHLOEM PARENCHYMA.
it is parenchyma present in the phloem cells of phloem parenchyma thin-walled and leaving they have two functions storage and slow lateral conduction of food.
PHLOEM Fibers.
they are only the non living components of phloem phloem fibres are thick walled elongated spindle shaped that sells which possess narrow lumen they provide mechanical strength to the tissue