Which of the following is not a characteristic feature of muscle fibres?

(1) Myofilaments

(2) Myofibrils

(3) Thickness of muscle fibre

(4) Both B and C

Subtopic:  Skeletal Muscle: Basic Anatomy |
 69%
From NCERT
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Myofibrils has not

(1) Alternate dark and light bands

(2) Striated appearance because of distribution pattern of two important proteins- Actin and Myosin

(3) Both A and B

(4) Sarcolemma

Subtopic:  Skeletal Muscle: Basic Anatomy |
 73%
From NCERT
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The light band has….. and is called….

(1) Actin, A band

(2) Actin,. I band

(3) Myosin, M band

(4) Myosin, A band

Subtopic:  Skeletal Muscle: Sarcomere |
 93%
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I in light band of muscle fibril stands for

(1) Isotropic

(2) Isolated

(3) Innervated

(4) Inosonic

Subtopic:  Skeletal Muscle: Sarcomere |
 97%
From NCERT
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A in dark band of muscle fibril stands for

(1) Anisotropic

(2) Animated

(3) Ancient

(4) Annulated

Subtopic:  Skeletal Muscle: Sarcomere |
 98%
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Which of the following is not a correct match?

(1) Light band - I band

(2) Dark band- H band

(3) Light band- Actin

(4) Dark band- Myosin

Subtopic:  Skeletal Muscle: Sarcomere |
 92%
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Actin and Myosin in muscle fibril are arranged

(1) Parallel to each other and perpendicular to the longitudinal axis of the myofibrils

(2) Perpendicular to each other and parallel to the longitudinal axis of the myofibrils

(3) Parallel to each other and parallel to the longitudinal axis of the myofibrils

(4) Perpendicular to each other perpendicular to the longitudinal axis of the myofibrils

Subtopic:  Skeletal Muscle: Myofilaments |
 60%
From NCERT
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Which of the following is/are attributed with Actin filament?

(1) Thin filament

(2) Light bands

(3) Isotropic bands

(4) all of these

Subtopic:  Skeletal Muscle: Sarcomere |
 94%
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Which of the following is not true regarding Z line?

(1) Made up of elastic fibres

(2) Present in centre of each I band

(3) It bisects the I band

(4) Thin Filaments are superficially touching to Z line.

Subtopic:  Skeletal Muscle: Sarcomere |
 68%
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Which of the following is not true regarding M line?

(1) Thin membrane

(2) Fibrous

(3) Holds thick filament of A band

(4) Keeps the Actin filament in centre

Subtopic:  Skeletal Muscle: Sarcomere |
 65%
From NCERT
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