Question

Tissue that transports food in plants.
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Answer 1

Answer:

pholem they transport food in plants in bidirectional

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Answer 2

ANSWER:

Tissue that transports food in plants is PHLOEM

PHLOEM:

• Phloem is a food conducting tissue.

• The components of phloem helps in the transport of food and nutrients across the cells of plant

• The transport of food in phloem is multidirectional.

• The early formed phloem is called proto phloem and the one which is formed later is called meta phloem.

• There are four components of phloem namely, sieve elements , companion cells, phloem parenchyma and phloem fibres.

SIEVE ELEMENTS:

• In angiosperms, sieve elements consist of sieve tubes and sieve plates.

• In pteridophytes and gymnosperms , there are present in simple forms like sieve cells.

• They are major food conducting tissue in phloem.

• Sieve elements do not nucleus of its own at maturity.

COMPANION CELLS:

• As the name describes, they accompany the sieve tube elements.

• Companion cells share their nucleus with sieve elements.

• So the companion cells and sieve elements are called sister cells

PHLOEM PARENCHYMA:

• They are living component of phloem.

• They stores starch , oil ,tannins, etc.

• Phloem parenchyma is absent in monocots.

PHLOEM FIBRES:

• These are also called bast fibres.

• These are the only dead tissue in phloem.

• They have central narrow lumen.

• Phloem fibres are absent in proto phloem.