Question

Which among the following is incorrect about different cells in Xylem?

(a) Tracheids are tubular structures made of dead cells without protoplasm

(b) Xylem vessels have lignified walls without protoplasm

(c) Xylem parenchymatic tissues are made of thin-walled living cells and conduct water sideways

(d) Xylem fibers are perforated and help in conduction of water to branches

The question was asked in examination.

Question is from Flowering Plants Anatomy in section Anatomy of Flowering Plants of Biology – Class 11

Answer 1

The correct choice is (d) Xylem fibers are perforated and help in conduction of water to branches

Easiest explanation: Tracheids are tubular structures made of dead cells without protoplasm. Xylem vessels have lignified walls without protoplasm. Xylem parenchymatic tissues are made of thin-walled living cells and conduct water sideways. Xylem vessels are perforated and help in conduction of water to branches.