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Question

Which of the following is a single membranous structure?

A
Lysosome
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B
Nucleus
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C
Mitochondria
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D
Chloroplast
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Solution

The correct option is A Lysosome
The nucleus is the double membrane bound organelle of eukaryotic cells that serve to house genetic material. The two membranes together make the nuclear envelope. Mitochondrion is double membrane bound organelle wherein the inner membrane is present as infolding and forms cristae. Cristae have respiratory enzymes and serve as site for cellular respiration. Chloroplast is double membrane-bound organelle in which the inner membrane surrounds the alkaline stroma and thylakoid system. Lysosomes, present in the cytoplasm, are the suicidal bags of cell that digest and remove the wear and tear organelles and molecules from the cell. They are enclosed by the single unit membrane . So, the correct answer is option A.

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