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NEET 2020
Exam
NEET
Year
2020
Subject
Botany
Chapter
Anatomy of Flowering Plants

NEET 2020 · Botany · Anatomy of Flowering Plants

Identify the incorrect statement.

Identify the incorrect statement.

Options

  1. ASapwood is involved in conduction of water and minerals from root to leaf
  2. BSapwood is the innermost secondary xylem and is lighter in colour
  3. CDue to deposition of tannins, resins, oils etc., heart wood is dark in colour
  4. DHeart wood does not conduct water but gives mechanical support

Correct answer

B. Sapwood is the innermost secondary xylem and is lighter in colour

Step-by-step solution

Heartwood and Sapwood: In old dicot trees the greater part of the secondary wood in the center of the stem is filled with gums, resins, tannins, tyloses, etc., which makes it hard and non-functional. This region is known as Heartwood or Duramen. The narrower outer region of the secondary wood remains light-colored and is called Sapwood or Alburnum. Sapwood helps in inorganic translocation.
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