Hari kept some apples in a basket. After a week he observed that apples became soft. This change occurred due to
A
Dissolving of cell wall
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B
Formation of magnesium pectate in middle lamella
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C
Formation of calcium pectate in middle lamella
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D
Loss of pectin from middle lamella
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Solution
The correct option is D Loss of pectin from middle lamella The middle lamella of the cell wall is composed of calcium pectate and magnesium pectate. Enzymes secreted by cell, degrades the pectate in the middle lamella which causes softening of the fruits and helps them to attain edible maturity.