Question

Identify the wrong statement in context of heartwood.

(a) It is highly durable.

(b) It conducts water and minerals efficiently.

(c) It comprises dead elements with highly lignified walls.

(d) Organic compounds are deposited in it.

Answer 1

Ans: (b) It conducts water and minerals efficiently.

Explanation: ​​​​​​ Heart wood has deposition of tylosis and pigments in it ,these depositions blocks the heartwood. Heartwood present in peripheral region of stem, and sapwood present in centre.So sapwood conducts water but not heartwood.

Answer 2

Ans: (b) It conducts water and minerals efficiently.

Sol: Heartwood is the non­functional part of secondary xylem, hence, it does not conduct water and minerals.