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  4. Phloem contains (1) dead matter in it known as bast (2) long and narrow sclerenchymatous fibres (3) companion cells, which are living, thin-walled, narrow. (4) cells which are long and tubular with lignified cell wall

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Q. Phloem contains (1) dead matter in it known as bast (2) long and narrow sclerenchymatous fibres (3) companion cells, which are living, thin-walled, narrow. (4) cells which are long and tubular with lignified cell wall

BHUBHU 2011

Solution:

Long and narrow sclerenchymatous fibres are found in xylem fibres. Long and tubular cells with lignited cell wall s characteristic of xylem vessels.