A in dark band of muscle fibril stands for

(1) Anisotropic

(2) Animated

(3) Ancient

(4) Annulated

Subtopic:  Skeletal Muscle: Sarcomere |
 98%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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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Sarcomere is

(1) Functional unit of contraction

(2) Portion between two successive Z lines

(3) A part of myofibrils

(4) All of these

Subtopic:  Skeletal Muscle: Sarcomere |
 93%
From NCERT
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H zone is not

(1) Central portion of thin filament.

(2) Central portion of thick filament

(3) Present in resting state

(4) Both A and C

Subtopic:  Skeletal Muscle: Sarcomere |
 57%
From NCERT
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The Central portion of thick filament is not overlapped by thin filament during…….. and is known as

(1) Motion, Z line

(2) Motion, H zone

(3) Resting State, H zone

(4) Resting state, Z line

Subtopic:  Skeletal Muscle: Sarcomere |
 85%
From NCERT
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Thin filament is made up of two.....which in turn are made up of many…..

(1) F actins, G actins

(2) G actins, Factins

(3) G actins, g actins

(4) F actins, f actins

Subtopic:  Skeletal Muscle: Myofilaments |
 86%
From NCERT
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