Question

Assertion : Smooth muscles are known as involuntary muscles.
Reason : Smooth muscles are controlled by autonomic nervous system

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (A)

Smooth muscles are found in the posterior part of oesophagus, stomach, intestine, blood vessels, iris of eye and dermis of skin. They are involuntary as their functioning cannot be directly controlled. Action of these muscles is controlled by autonomic nervous system