Locomotion and Movement
28 NEET Biology previous year questions on Locomotion and Movement — options free on every question; 3 include the answer & explanation free, the rest unlock with PYQ Pass.
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Select the correct statements regarding mechanism of muscle contraction.
A. It is initiated by a signal sent by CNS via sensory neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased \(\mathrm{Ca}^{++}\)level leads to the binding of calcium with troponin on actin filaments.
D. Masking of active site for actin is activated.
E. Utilising the energy from ATP hydrolysis to form cross bridge.
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[Re-NEET 2024]
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Which of the following is the correct order of arrangement of vertebrate column from the head to toe?
[Re-NEET 2026]
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Muscle contraction is initiated by a signal sent by the central nervous system by the release of __________.
[Re-NEET 2026]
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Which of the following statements are correct with reference to human endoskeleton?
A. Human skull is monocondylic.
B. The joint between any two adjoining vertebrae is a cartilaginous joint.
C. In human beings, the number of cervical vertebrae is seven.
D. All ribs except the last 2 pairs are bicephalic.
E. The occipital bone of skull is articulated with atlas vertebra.
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[NEET 2026]
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Sperm motility is due to _______.
[Re-NEET 2026]
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Which of the following are autoimmune disorders?
I. Myasthenia gravis
II. Rheumatoid arthritis
III. Gout
IV. Muscular dystrophy
V. Systemic Lupus Erythematosus (SLE)
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[NEET 2024]
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Which of the following are autoimmune disorders?
I. Myasthenia gravis
II. Rheumatoid arthritis
III. Gout
IV. Muscular dystrophy
V. Systemic Lupus Erythematosus (SLE)
Choose the most appropriate answer from the options given below:
[NEET 2024]
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Match List-I with List-II :
| List I (Location of Joint) | List II (Type of Joint) |
| A) Joint between humerus and pectoral girdle | I) Gliding Joint |
| B) Knee Joint | II) Ball and Socket Joint |
| C) Joint between atlas and axis | III) Hinge Joint |
| D) Joint between carpals | IV) Pivot Joint |
[Re-NEET 2024]
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Choose the correct statements regarding muscle contraction.
A. A motor neuron carries a signal sent by the Central Nervous System (CNS) to the sarcolemma of the muscle fibre.
B. The neural signal generates an action potential which causes the release of \({\mathrm{Ca}}^{++}\) into sarcoplasm.
C. Increase in \({\mathrm{Ca}}^{++}\) inactivates the actin for breaking cross bridges.
D. Actin binds to the myosin head to form a cross bridge.
E. Shortening of sarcomere takes place, by pulling actin filaments towards the centre of ' A ' band.
Choose the correct answer from the options given below:
[NEET 2026]
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Select the correct statements regarding mechanism of muscle contraction.
A. It is initiated by a signal sent by CNS via sensory neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased \(\mathrm{Ca}^{++}\)level leads to the binding of calcium with troponin on actin filaments.
D. Masking of active site for actin is activated.
E. Utilising the energy from ATP hydrolysis to form cross bridge.
Choose the most appropriate answer from the options given below:
[Re-NEET 2024]
Options are free to see. Unlock the correct answer and full explanation with Pass.
The number of vertebrae in a human is:
[Re-NEET 2026]
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Which of the following statements are correct regarding skeletal muscle?
A. Muscle bundles are held together by collagenous connective tissue layer called fascicle.
B. Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.
C. Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.
D. M line is considered as functional unit of contraction called sarcomere.
Choose the most appropriate answer from the options given below.
[NEET 2023]
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During muscular contraction which of the following events occur?
(A) H zone disappears.
(B) A band widens.
(C) I band reduces in width.
(D) Myosin hydrolyzes ATP, releasing the ADP and Pi
(E) Z-lines attached to actins are pulled inwards.
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[NEET 2021]
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During muscular contraction which of the following events occur?
A. 'H' zone disappears
B. 'A' band widens
C. 'I' band reduces in width
D. Myosin hydrolyzes ATP, releasing the ADP and Pi
E. Z-lines attached to actins are pulled inwards
Choose the correct answer from the options given below.
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Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?
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Match List-I with List-II :
List I (Location of Joint) | List II (Type of Joint) | ||
| (A) | Joint between humerus and pectoral girdle | (I) | Gliding Joint |
| (B) | Knee Joint | (II) | Ball and Socket Joint |
| (C) | Joint between atlas and axis | (III) | Hinge Joint |
| (D) | Joint between carpals | (IV) | Pivot Joint |
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Which of the following statements are correct regarding skeletal muscle?
A. Muscle bundles are held together by collagenous connective tissue layer called fascicle.
B. Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.
C. Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.
D. M line is considered as functional unit of contraction called sarcomere.
Choose the most appropriate answer from the options given below
Options are free to see. Unlock the correct answer and full explanation with Pass.
During muscular contraction which of the following events occur?
(A) H zone disappears.
(B) A band widens.
(C) I band reduces in width.
(D) Myosin hydrolyzes ATP, releasing the ADP and Pi
(E) Z-lines attached to actins are pulled inwards.
Choose the correct answer from the options given below.
Options are free to see. Unlock the correct answer and full explanation with Pass.
Chronic auto immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as
[NEET 2021]
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Match List-I with List-II.
| List-I | List-II | ||
| (A) | Scapula | (I) | Cartilaginous joints |
| (B) | Cranium | (II) | Flat bone |
| (C) | Sternum | (III) | Fibrous joints |
| (D) | Vertebral column | (IV) | Triangular flat bone |
Choose the correct answer from the options given below.
[NEET 2021]
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