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Heartwood differs from sapwood in:
Options
(a) presence of rays and fibres
(b) absence of vessels and parenchyma
(c) having dead and non -conducting elements
(d) being susceptible to pests and pathogens
Correct Answer:
having dead and non -conducting elements
Explanation:
Heartwood differs from sapwood in having dead and non-conducting elements. In old trees, the inner region that comprises dead elements with highly lignified walls is called heartwood. Heartwood does not conduct water but gives mechanical support to the stem. On the other hand, the peripheral region, which is lighter in colour are called sapwood. It is involved in the conduction of water and minerals from root to leaf
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Topics: Structural Organisation In Plants
(243)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A stele with a central core of xylem surronded by phloem is called or Actinostele is a modification
- Symbiosis is shown by
- Heart of cockroach is
- The genetic defect-Adenosine deaminase (ADA) deficiency may be cured permanently by:
- Two kingdom system was replaced by five kingdom In the year
Topics: Structural Organisation In Plants (243)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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