NTA Abhyas NEET2020BotanyCell - The Unit of LifePractice
The mineral present in cell wall is
Options
- AK, Mg and Ca
- BNa, K and Mg
- CCa, Fe and CO3
- DMn, Ca and Fe
Correct answer
C. Ca, Fe and CO3
Step-by-step solution
Cell wall is the outermost covering in the plant cell. The cell wall provides support to the cell. It is made up of Matrix: Water (60%), hemicellulose (5-15%), pectic substances (2-8%), lipids (0.5-3%), proteins (1-2%). Microfibrils: Cellulose (10-15%). Other ingredients: Lignin, cutin, suberin, silica, minerals-calcium, iron and carbonate.