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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
Intercalated discs are present in
  • A
    Striated muscles
  • B
    Unstriated muscles
  • ✓
    Cardiac muscles
  • D
    Neurons
✓

Answer

Correct option: C.
Cardiac muscles
c
Intercalated discs are unique and distinguishing feature of cardiac muscle. They are dark, irregular zig-zag partitions between adjacent cardiac muscle cells. They have both transverse and lateral portions. Intercalated disc provide firm adhesions between adjacent cells, electrical coupling for spread of excitation as well as contraction.

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