Which of the following muscles act involuntarily? (i) Striated muscles (ii) Skeletal muscles (iii) Cardiac muscles (iv) Smooth muscles.
The correct answer is:(d) (iii) and (iv)
Cardiac muscles and smooth muscles act involuntarily. Cardiac muscles are found in the heart and contract automatically, while smooth muscles are found in internal organs like the stomach and intestines, controlling movement without conscious control.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.
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(d) Working of cardiac and smooth muscles is not under our will. They are involuntary.
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