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Which of the following statements is true?

a)

The collenchyma occurs in layers below the epidermis in monocotyledonous plants

b)

Sclerenchyma cells are usually dead and without protoplasts

c)

Xylem parenchyma cells are living and thin-walled and their cell walls are made up of lignin

d)

The companion cells are specialised sclerenchymatous cells



Question ID - 2443 | SaraNextGen Top Answer

Which of the following statements is true?

a)

The collenchyma occurs in layers below the epidermis in monocotyledonous plants

b)

Sclerenchyma cells are usually dead and without protoplasts

c)

Xylem parenchyma cells are living and thin-walled and their cell walls are made up of lignin

d)

The companion cells are specialised sclerenchymatous cells

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Sclerenchyma are considered thick-walled lignified supportive tissue characterised by the absence of living protoplast. Their principal function is to provide mechanical support.

127 votes


127