When a plant cell is treated by cellulase and pectinase enzymes, which of the following is left behind?

Chloroplast

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Leucoplast

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Protoplast

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Chromoplast

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Solution

The correct option is C Protoplast
The plant cell wall is mainly composed of cellulose, hemicellulose, pectin, etc, and these structural polysaccharides would be hydrolyzed when treated with cellulase and pectinase.
Consequently, what is left behind is the living material of the cell, which includes the protoplasm and plasma membrane devoid of the cell wall, otherwise called as the protoplast.

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