Which of the following are present in the internal organs, like the stomach, intestine, etc.?
Correct answer: A. Option A
- A. Option A
- B. Option B
- C. Option C
- D. Both A and B
- E. Both A and C
Explanation
Smooth muscles are present in the walls of internal organs such as the stomach, intestine, bladder, etc. They are non-striated muscles that are not under voluntary control. Cardiac muscle, represented by option B, is found only in the heart and is also striated like skeletal muscle. Skeletal muscles, represented by option C, are attached to the bones and are under voluntary control. Therefore, the correct answer is option A.
Last updated
About Muscles
Muscles covers skeletal, smooth and cardiac muscle, their microscopic structure and the roles of tendons, myofibrils, actin and myosin. It explains the sliding filament mechanism, sarcomere shortening, neuromuscular transmission and calcium regulation, while distinguishing voluntary skeletal movement from involuntary contraction in smooth and cardiac muscle.
Practise Support and Movement
738 free Support and Movement MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A muscle of fascicle is a:
A muscle with characters like a spontaneous contraction, one nucleus per cell, and no control over contraction is most likely:
Cardiac muscles of frog are identified under the microscope by the presence of
Diaphragm is a sheet of:
Each muscle fiber is surrounded by a modified cell membrane called: