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Tissues — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceTissues1 Mark
MCQ
Smooth muscle fibres are:
  • A
    Cylindrical, unbranched, uninucleate, non-striated and voluntary.
  • B
    Cylindrical, unbranched, uninucleate, non-striated and involuntary.
  • C
    Cylindrical, branched, multinucleate, striat and voluntary.
  • D
    Spindle-shaped, unbranched, uninuclear non-striated and involuntary.
✓

Answer

  1. Spindle-shaped, unbranched, uninuclear non-striated and involuntary.

Explanation:

Smooth muscle cells are spindle shaped, have a single, centrally located nucleus, and lack striations. They are called involuntary muscles.

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