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easyMCQNEET 20172026Biology
4 marks (−1)

Identify the wrong statement in context of heartwood:

  1. A
    Organic compounds are deposited in it
  2. B
    It is highly durable
  3. C
    It conducts water and minerals efficiently
  4. D
    It comprises dead elements with highly lignified walls

Solution & Step-by-step Explanation

[Image comparing sapwood and heartwood] Heartwood is the central, older part of a tree trunk. It is filled with tannins, resins, and oils, making it dark, hard, and durable. However, its vessels are blocked by tyloses, so it is physiologically inactive and does not conduct water. Sapwood is responsible for conduction.

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Identify the wrong statement in context of heartwood:
A
Organic compounds are deposited in it
B
It is highly durable
C
It conducts water and minerals efficiently
D
It comprises dead elements with highly lignified walls

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Anatomy of Flowering PlantsWood

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