Skeletal Muscles: Structure & Control — NEET Biology
✅ Asked in NEET 2024Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body.
Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body.
Answer & NCERT explanation
Correct answer: B — Skeletal - Triceps; Smooth – Stomach; Cardiac – Heart
Skeletal muscles are found in body parts like triceps and biceps, smooth muscles line internal organs like stomach and intestines, and cardiac muscle is exclusively in the heart. Option b correctly identifies skeletal muscle in triceps (voluntary striated muscle), smooth muscle in stomach (involuntary muscle in digestive tract), and cardiac muscle in heart (involuntary striated muscle). Other options have incorrect locations like smooth muscle in toes or heart.
Read more NCERT concept on the PYQ
Skeletal muscles are closely associated with the skeletal components of the body. They have a striped appearance under the microscope and hence are called striated muscles. As their activities are under the voluntary control of the nervous system, they are known as voluntary muscles too. They are primarily involved in locomotory actions and changes of body postures.
NTA tests whether students can identify skeletal muscle characteristics: striated appearance, voluntary control, and locomotory function. Students often confuse skeletal muscles with smooth muscles (non-striated, involuntary) or forget that 'striated' refers to the visible striations under a microscope caused by sarcomere organization. The key trap is mixing up the three muscle types—skeletal (striped + voluntary), smooth (non-striped + involuntary), and cardiac (striped + involuntary). To score marks, remember: skeletal = striated + voluntary + locomotion. When NEET shows a muscle image or asks about movement control, immediately think of skeletal muscles. Link the microscopic striations directly to voluntary nervous system control.
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