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Model Paper 4 — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceModel Paper 41 Mark
MCQ
Rhythmic contraction and relaxation throughout life, are shown by
  • A
    epithelium of lungs
  • B
    striated muscles of tongue
  • C
    striated muscles of limbs
  • ✓
    cardiac muscles of heart
✓

Answer

Correct option: D.
cardiac muscles of heart
(d) cardiac muscles of heart
Explanation: Cardiac muscles are present in the heart. They contract and relax rapidly, rhythmically, and tirelessly. They help to pump the blood to various parts of the body.

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