Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
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 wallA) 1,2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: D
Solution :
Long and narrow sclerenchymatous fibres are found in xylem fibres. Long and tubular cells with lignited cell wall s characteristic of xylem vessels.
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