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Cell The Unit of Life — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYCell The Unit of Life1 Mark
MCQ
$............... ($animal cell structure$)$ is characterized by selective permeability:
  • A
    Chromosome
  • ✓
    Cell membrane
  • C
    Cell wall
  • D
    Ribosomes
✓

Answer

Correct option: B.
Cell membrane
The plasma membrane or cell membrane is the outer covering of all cell but in plant cells, it is present below the cell wall.
It is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells apart from cell$-$cell recognition.

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