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JIPMER 2008
Exam
JIPMER
Year
2008
Subject
Botany
Chapter
Mineral Nutrition

JIPMER 2008 · Botany · Mineral Nutrition

The mineral present in cell wall is

The mineral present in cell wall is

Options

  1. ANa
  2. BCa
  3. CK
  4. DMg

Correct answer

B. Ca

Step-by-step solution

Chemical composition of the cell wall is the following : (a) Matrix water-60%, hemicellulose5−15%5-15 \%, pectic substance- 2−8%2-8 \%, Lipids 0.5−3.0%0.5-3.0 \%, proteins- 1−2%1-2 \%. (b) Microfibrils Cellulose/fungus cellulose10-15%. (c) Other Ingredients lignin, cutin, suberin, silica, minerals (eg, iron, calcium, carbonate) waxes, tannins, resins, gum etc
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