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STD 11 - 7. Structural organisation in animal — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 7. Structural organisation in animal4 Marks
MCQ
Which of the following is incorrect w.r.t. junction and its function?
  • ✓
    Tight junction -Promotes leaking of substances across a tissue
  • B
    Adhering junction -Keep neighbouring cells together
  • C
    Gap junction -Connecting the cytoplasm of adjoining cells for rapid transfer of ions and small molecules
  • D
    Gap junction -Facilitates the cells to communicate with each other
✓

Answer

Correct option: A.
Tight junction -Promotes leaking of substances across a tissue
a
Tight junctions do not allow leaking of substances across tissue. Plasma membranes in apical parts of adjacent epithelial cells become tightly packed together or are even fused to form tight junctions.

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