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Question


Calcium is an essential plant nutrient because it is a component of


Options:
A .   Chlorophyll
B .   ADP & ATP
C .   Amino acids
D .   Cell walls
Answer: Option D
:
D

Calcium pectate is an important component of the middle lamella layer of the plant cell wall. It helps in cementing adjacent cells together. It also regulates the opening of stomata in plants. 



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