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  • Wood of pteridophytes and gymnosperms are called non- porous wood becauseOption: 1 Xylem vessels are absent in pteridophytes and gymnosperm

Wood of pteridophytes and gymnosperms are called non- porous wood because

Option: 1

Xylem vessels are absent in pteridophytes and gymnosperms


Option: 2

Devoid of protoplasm


Option: 3

Vessels have narrow lumen


Option: 4

No perforations are present


Answers (1)

best_answer

Xylem vessels are long cylindrical tube-like structures each with lignified walls and a large central cavity. The vessels are devoid of protoplasm and their members are interconnected through perforation . The vessels are present in angiosperms and it is their characteristic features. Xylem vessels are absent in pteridophytes and gymnosperms therefore wood of their plants are called non- porous wood.

Option 1 is the correct answer.

Posted by

Shailly goel

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