Question 1: Palette 1/62

NEET 2026 MCQ

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 :

A

C and D only

B

A and B only

C

C and E only

D

A, B, D and E only

Question 2: Palette 2/62

NEET 2026 MCQ

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.

Choose the correct answer from the options given below:

A

B and E only

B

B, C and E only

C

C, D and E only

D

A, B and D only

Question 3: Palette 3/62

NEET 2026 MCQ

$ \text { Match List I with List II related to muscular/skeletal system: } $

$ \text { List I  } $		$ \text { List II } $
A.	Tetany	I.	Inflammation of joints
B.	Arthritis	II.	Autoimmune disorder affecting neuromuscular junction
C.	Myasthenia gravis	III.	Wild contraction in muscle due to low $\mathrm{Ca}^{++}$in body fluid
D.	Muscular dystrophy	IV.	Progressive degeneration of skeletal muscle

Choose the correct answer from the options given below:

A

A-III, B-I, C-II, D-IV

B

A-I, B-II, C-III, D-IV

C

A-IV, B-III, C-II, D-I

D

A-III, B-II, C-I, D-IV

Question 4: Palette 4/62

NEET 2026 MCQ

Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?

A

Femur-tarsal-patella-tibia

B

Femur-tibia-patella-tarsal

C

Patella-femur-tibia-tarsal

D

Femur-patella-tibia-tarsal

Question 5: Palette 5/62

NEET 2026 MCQ

The number of vertebrae in a human is $\_\_\_\_$ .

A

206

B

7

C

12

D

26

Question 6: Palette 6/62

NEET 2026 MCQ

Muscle contraction is initiated by a signal sent by the central nervous system by the release of $\_\_\_\_$ .

A

cyclic adenine monophosphate

B

acetyl choline

C

acetyl coenzyme A

D

cyclic guanine monophosphate

Question 7: Palette 7/62

NEET 2026 MCQ

Which of the following is the correct order of arrangement of vertebrate column from the head to toe?

A

Cervical vertebra, thoracic vertebra, lumbar vertebra, sacrum

B

Cervical vertebra, thoracic vertebra, sacrum, lumbar vertebra

C

Sacrum, lumbar vertebra, thoracic vertebra, cervical vertebra

D

Cervical vertebra, lumbar vertebra, thoracic vertebra, sacrum

Question 8: Palette 8/62

NEET 2024 MCQ

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

Chose the correct answer from the options given below:

A

A-II, B-III, C-IV, D-I

B

A-III, B-II, C-I, D-IV

C

A-I, B-IV, C-III, D-II

D

A-II, B-I, C-III, D-IV

Question 9: Palette 9/62

NEET 2024 MCQ

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 Ca$^{++}$ level leads to the binding of calcium with troponin on action 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:

A

B, C and E only

B

C, D and E only

C

A and D only

D

B, D and E only

Question 10: Palette 10/62

NEET 2024 MCQ

Three types of muscles are given as a, b and c. Identify the correct matching pair along with their location in human body:

Name of muscle/location

A

(a) Smooth - Toes (b) Skeletal - Legs (c) Cardiac - Heart

B

(a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart

C

(a) Skeletal - Biceps (b) Involuntary - Intestine (c) Smooth - Heart

D

(a) Involuntary - Nose tip (b) Skeletal - Bone (c) Cardiac - Heart

Question 11: Palette 11/62

NEET 2024 MCQ

Match List I with List II :

	List - I		List - II
A.	Fibrous joints	I.	Adjacent vertebrae, limited movement
B.	Cartilaginous joints	II.	Humerus and Pectoral girdle, rotational movement
C.	Hinge joints	III.	Skull, don't allow any movement
D.	Ball and socket joints	IV.	Knee, help in locomotion

Choose the correct answer from the options given below :

A

A-IV, B-II, C-III, D-I

B

A-I, B-III, C-II, D-IV

C

A-II, B-III, C-I, D-IV

D

A-III, B-I, C-IV, D-II

Question 12: Palette 12/62

NEET 2023 MCQ

Match List I with List II.

	List I (Type of Joint)		List II (Found between)
(A)	Cartilaginous Joint	(I)	Between flat skull bones
(B)	Ball and Socket Joint	(II)	Between adjacent vertebrae in vertebral column
(C)	Fibrous Joint	(III)	Between carpal and metacarpal of thumb
(D)	Saddle joint	(IV)	Between Humerus and Pectoral girdle

Choose the correct answer from the options given below:

A

A-II, B-IV, C-I, D-III

B

A-I, B-IV, C-III, D-II

C

A-II, B-IV, C-III, D-I

D

A-III, B-I, C-II, D-IV

Question 13: Palette 13/62

NEET 2023 MCQ

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:

A

B and C only

B

A, C and D only

C

C and D only

D

A, B and C only

Question 14: Palette 14/62

NEET 2023 MCQ

Match List-I with List-II.

	List - I		List - II
(A)	Palm bones	(I)	Phalanges
(B)	Wrist bones	(II)	Metacarpals
(C)	Ankle bones	(III)	Carpals
(D)	Digit bones	(IV)	Tarsals

Choose the correct answer from the options given below :

A

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)

B

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

C

(A)-(III), (B)-(IV), (C)-(I), (D)-(II)

D

(A)-(II), (B)-(III), (C)-(IV), (D)-(I)

Question 15: Palette 15/62

NEET 2022 MCQ

Choose the correct statement about a muscular tissue

A

Smooth muscles are multinucleated and involuntary.

B

Skeletal muscle fibres are uninucleated and found in parallel bundles.

C

Intercalated discs allow the cardiac muscle cells to contract as a unit.

D

The walls of blood vessels are made up of columnar epithelium.

Question 16: Palette 16/62

NEET 2022 MCQ

According to the sliding filament theory:

A

The actin filaments slide away from A-band resulting in shortening of sarcomere.

B

Actin and myosin filaments slide over each other to increase the length of the sarcomere.

C

Length of A-band does not change

D

I-band increases in length.

Question 17: Palette 17/62

NEET 2022 MCQ

Gout is a type of disorder which leads to:

A

Weakening of bones due to low calcium level

B

Inflammation of joints due to accumulation of uric acid crystals

C

Weakening of bones due to decreased bone mass

D

Inflammation of joints due to cartilage degeneration

Question 18: Palette 18/62

NEET 2022 MCQ

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : Osteoporosis is characterised by decreased bone mass and increased chance of fractures.

Reason (R) : Common cause of osteoporosis is increased levels of estrogen.

In the light of the above statements, choose the most appropriate answer from the options given below:

A

Both (A) and (R) are correct and (R) is the correct explanation of (A)

B

Both (A) and (R) are correct but (R) is not the correct explanation of (A)

C

(A) is correct but (R) is not correct

D

(A) is not correct but (R) is correct

Question 19: Palette 19/62

NEET 2022 MCQ

Which of the following is a correct match for disease and its symptoms?

A

Arthritis - Inflammed joints

B

Tetany - High Ca²⁺ level causing rapid spasms

C

Myasthenia gravis - Genetic disorder resulting in weakening and paralysis of skeletal muscle

D

Muscular dystrophy - An auto immune disorder causing progressive degeneration of skeletal muscle

Question 20: Palette 20/62

NEET 2021 MCQ

Chronic auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscle is called as :

A

Gout

B

Arthritis

C

Muscular dystrophy

D

Myasthenia gravis

Question 21: Palette 21/62

NEET 2021 MCQ

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

A

(a)	(b)	(c)	(d)
(iv)	(iii)	(ii)	(i)

B

(a)	(b)	(c)	(d)
(i)	(iii)	(ii)	(iv)

C

(a)	(b)	(c)	(d)
(ii)	(iii)	(iv)	(i)

D

(a)	(b)	(c)	(d)
(iv)	(ii)	(iii)	(i)

Question 22: Palette 22/62

NEET 2021 MCQ

During muscular contraction which of the following events occur?

(1) 'H' zone disappears

(2) 'A' band widens

(3) 'I' band reduces in width

(4) Myosine hydrolyzes ATP, releasing the ADP and Pi.

(5) Z-lines attached to actins are pulled inwards.

Choose the correct answer from the options given below.

A

(2), (4), (5), (1) only

B

(1), (3), (4), (5) only

C

(1), (2), (3), (4) only

D

(2), (3), (4), (5) only

Question 23: Palette 23/62

NEET 2020 MCQ

Match the following columns and select the correct option.

Column-I	Column-II
(a) Floating Ribs	(i) Located between second and seventh ribs
(b) Acromion	(ii) Head of the Humerus
(c) Scapula	(iii) Clavicle
(d) Glenoid cavity	(iv) Do not connect with the sternum

A

(A) $ \to $ (ii), (B) $ \to $ (iv), (C) $ \to $ (i), (D) $ \to $ (iii)

B

(A) $ \to $ (i), (B) $ \to $ (iii), (C) $ \to $ (ii), (D) $ \to $ (iv)

C

(A) $ \to $ (iv), (B) $ \to $ (iii), (C) $ \to $ (i), (D) $ \to $ (ii)

D

(A) $ \to $ (iii), (B) $ \to $ (ii), (C) $ \to $ (iv), (D) $ \to $ (i)

Question 24: Palette 24/62

NEET 2019 MCQ

Which of the following muscular disorders is inherited?

A

Myasthenia gravis

B

Botulism

C

Tetany

D

Muscular dystrophy

Question 25: Palette 25/62

NEET 2019 MCQ

Select the correct option :

A

Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum

B

There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs

C

8^th, 9^th and 10^th pairs of ribs articulate directly with the sternum

D

11^th and 12^th pairs of ribs are connected to the sternum with the help of hyaline cartilage.

Question 26: Palette 26/62

NEET 2018 MCQ

Calcium is important in skeletal muscle contraction because it

A

detaches the myosin head from the actin filament

B

binds to troponin to remove the masking of active sites on actin for myosin

C

prevents the formation of bonds between the myosin cross bridges and the actin filament.

D

activates the myosin ATPase by binding to it

Question 27: Palette 27/62

NEET 2017 MCQ

Out of 'X' pairs of ribs in humans only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.

A

X=12, Y=5		True ribs are attached dorsally to vertebral column and sternum on the two ends

B

X=24, Y=2		The true ribs are dorsally attached to vertebral column but are free on ventral side

C

X=24, Y=12		True ribs are dorsally attached to vertebral column but are free on ventral side

D

X=12, Y=7		True ribs are attached dorsally to vertebral column and ventrally to the sternum

Question 28: Palette 28/62

NEET 2017 MCQ

The pivot joint between atlas and axis is a type of

A

cartilaginous joint

B

synovial joint

C

saddle joint

D

fibrous joint.

Question 29: Palette 29/62

NEET 2016 MCQ

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.

A

Calcium

B

Magnesium

C

Sodium

D

Potassium

Question 30: Palette 30/62

NEET 2016 MCQ

Osteoporosis, an age-related disease of skeletal system, may occur due to

A

immune disorder affecting neuromuscular junction leading to fatigue

B

high concentration of Ca⁺⁺ and Na⁺

C

decreased level of estrogen

D

accumulation of uric acid leading to inflammation of joints.

Question 31: Palette 31/62

NEET 2016 MCQ

Lack of relaxation between successive stimuli in sustained muscle contraction is known as

A

tetanus

B

tonus

C

spasm

D

fatigue.

Question 32: Palette 32/62

NEET 2015 MCQ

Which of the following joints would allow no movements?

A

Synovial joint

B

Ball and Sockrt joint

C

Fibrous joint

D

Cartilaginous joint

Question 33: Palette 33/62

NEET 2015 MCQ

Which of the following is not a function of the skeletal system?

A

Production of body heat

B

Locomotion

C

Production of erythrocytes

D

Storage of minerals

Question 34: Palette 34/62

NEET 2015 MCQ

Sliding filament theory can be best explained as

A

actin and myosin filaments do not shorten but rather slide pass each other

B

when myofilaments slide pass each other, myosin filaments shorten while actin filaments do not shorten

C

when myofilaments slide pass each other actin filaments shorten while myosin filaments do not shorten

D

actin and myosin filaments shorten and slide pass each other.

Question 35: Palette 35/62

NEET 2015 MCQ

Glenoid cavity articulates

A

clavicle with scapula

B

humerus with scapula

C

clavicle with acromion

D

scapula with acromion.

Question 36: Palette 36/62

NEET 2014 MCQ

Select the correct matching of the type of the joint with the example in human skeletal system.

A

Type of joint		Example
Cartilaginous	-	Between frontal and parietal

B

Type of joint		Example
Pivot joint	-	Between third and fourth cervical

C

Type of joint		Example
Hinge joint	-	Between humerus and pectoral girdle

D

Type of joint		Example
Gliding joint	-	Between carpals

Question 37: Palette 37/62

NEET 2014 MCQ

Stimulation of a muscle fiber by a motor neuron occurs at

A

the neuromuscular junction

B

the transverse tubules

C

the myofibril

D

the sacroplasmic reticulum.

Question 38: Palette 38/62

NEET 2013 MCQ

During muscle contraction in humans, the

A

sarcomere does not shorten

B

A band remains same

C

A, H and I bands shorten

D

actin filaments shorten.

Question 39: Palette 39/62

NEET 2013 MCQ

Select the correct statement with respect to disorders of muscles in humans.

A

Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing.

B

Accumulation of urea and creatine in the joints causes their inflammation.

C

An overdose of vitamin D causes osteoporosis.

D

Rapid contractions of skeletal muscles cause muscle dystrophy.

Question 40: Palette 40/62

NEET 2013 MCQ

The characteristic and an example of a synovial joint in humans is

A

Characteristics	Examples
Fluid filled synovial cavity between two bones	Joint between atlas and axis

B

Characteristics	Examples
Lymph filled between two bones, limited movement	Gliding joint between carpals

C

Characteristics	Examples
Fluid cartilage between two bones, limited movements	Knee joint

D

Characteristics	Examples
Fluid filled between two joints, provides cushion	Skull bones

Question 41: Palette 41/62

NEET 2013 MCQ

Select the correct statement with respect to locomotion in humans.

A

The vertebral column has 10 thoracic vertebrae.

B

The joint between adjacent vertebrae is a fibres joint.

C

A decreased level of progesterone causes osteoporosis in old people.

D

Accumulation of uric acid crystals in joints causes their inflammation.

Question 42: Palette 42/62

NEET 2013 MCQ

The H-zone in the skeletal muscle fibre is due to

A

the central gap between actin filaments extending through myosin filaments in the A-bond

B

extension of myosin filaments in the central portion of the A-band

C

the absence of myofibrils in the central portion of A-band

D

the central gap between myosin filaments in the A-band.

Question 43: Palette 43/62

NEET 2012 MCQ

Which one of the following pairs of chemical substances, is correctly categarised ?

A

Secretin and rhodopsin - Polypeptide hormones

B

Pepsin and prolactin - Two digestive enzymes secreted in stomach

C

Troponin and myosin - Complex proteins in striated muscles

D

Calcitonin and thymosin - Thyroid hormones

Question 44: Palette 44/62

NEET 2012 MCQ

Select the correct statement regarding the specific disorder of muscular or skeletal system.

A

Muscular dystrophy $-$ Age related shortening of muscles

B

Osteoporosis $-$ Decrease in bone mass and higher chances of fractures with advancing age

C

Myasthenia gravis $-$ Autoimmune disorder which inhibits sliding of myosin filaments

D

Gout $-$ Inflammation of joints due to extra deposition of calcium

Question 45: Palette 45/62

NEET 2011 MCQ

The type of muscles present in our

A

heart is involuntary and unstriated smooth muscles

B

intestine is striated and involuntary

C

thigh is striated and voluntary

D

upper arm is smooth muscle and fusiform in shape.

Question 46: Palette 46/62

NEET 2011 MCQ

Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletel category and one pair is not matched. Identify the non-matching pair.

A

Pair of skeletal parts		Category
Sternum and ribs	-	Axial skeleton

B

Pair of skeletal parts		Category
Clavicle and glenoid	-	Pelvic girdle

C

Pair of skeletal parts		Category
Humerus and ulna	-	Appendicular skeleton

D

Pair of skeletal parts		Category
Malleus and stapes	-	Ear ossicles

Question 47: Palette 47/62

NEET 2010 MCQ

Which one of the following pairs of structures is correctly matched with their corrected description ?

A

Structure $ \to $ Tibia and fibula, Description $ \to $ Both form parts of knee joint

B

Structure $ \to $ Shoulder joint and elbow joint, Description $ \to $ Ball and socket type of joint

C

Structure $ \to $ Cartilage and cornea, Description $ \to $ No blood supply but do require oxygen for respiratory need

D

Structure $ \to $ Premolars and molars, Description $ \to $ 20 in all and 3- rooted

Question 48: Palette 48/62

NEET 2010 MCQ

Which one of the following is the correct description of a certain part of a normal human skeleton?

A

Parietal bone and the temporal bone of the skull are jointed fibrous joint.

B

First vertebra is axis which articulates with the occipital condyles.

C

The 9^th and 10^th pairs of ribs are called the floating ribs .

D

Glenoid cavity is a depression to which the thigh bone articulates.

Question 49: Palette 49/62

NEET 2009 MCQ

Which one of the following is the correct matching of three items and their grouping category?

A

Items	Group
Iliumm, ischium, pubis	Coxal bones of pelvic girdle

B

Items	Group
Actin, myosin, rhodopsin	Muscle proteins

C

Items	Group
Cytosine, uracil, thiamine	Pyrimidines

D

Items	Group
Malleus, incus, cochlea	Ear ossicles

Question 50: Palette 50/62

NEET 2009 MCQ

Elbow joint is an example of

A

hinge joint

B

gliding joint

C

ball and socket joint

D

pivot joint.

Question 51: Palette 51/62

NEET 2007 MCQ

Which one of the following items gives its correct total number?

A

Types of diabetes-3

B

Cervical vertebrae in humans-8

C

Floating ribs in humans-4

D

Amino acids found in proteins-16

Question 52: Palette 52/62

NEET 2007 MCQ

In human body, which one of the following is anatomically correct?

A

Collar bones     -      3 pairs

B

Salivary glands     -      1 pairs

C

Cranial nerves     -      10 pairs

D

Floating ribs     -      2 pairs

Question 53: Palette 53/62

NEET 2006 MCQ

The contractile protein of skeletal muscle involving ATPase activity is

A

troponin

B

tropomyosin

C

myosin

D

$\alpha $-actinin.

Question 54: Palette 54/62

NEET 2005 MCQ

Which of the following pairs is correctly matched?

A

Hinge joint	-	Between vertebrae

B

Gliding joint	-	Between zygapophyses of the successive vertebrae

C

Cartilaginous joint	-	Skull bones

D

Fibrous joint	-	between phalanges

Question 55: Palette 55/62

NEET 2005 MCQ

An acromian process is characteristically found in the

A

pelvic girdle of mammals

B

pectoral girdle of mammals

C

skull of frog

D

sperm of mammals.

Question 56: Palette 56/62

NEET 2002 MCQ

What will happen if ligaments are torn?

A

Bones will move freely at joint and no pain.

B

Bone less movable at joint and pain.

C

Bone will become unfixed.

D

Bone will become fixed.

Question 57: Palette 57/62

NEET 2002 MCQ

Which cartilage is present at the end of long bones?

A

Calcified cartilage

B

Hyaline cartilage

C

Elastic cartilage

D

Fibrous cartilage

Question 58: Palette 58/62

NEET 2001 MCQ

What is sarcomere?

A

Part between two H-line

B

Part between two A-line

C

Part between two I-band

D

Part between two Z-line

Question 59: Palette 59/62

NEET 2001 MSQ

Which statement is correct for muscle contraction?

A

Length of H-zone decreases

B

Length of A-band remains constant

C

Length of I-band increases

D

Length of two Z-line increases

Question 60: Palette 60/62

NEET 2000 MCQ

What is the name of joint between ribs and sternum?

A

Cartilaginous joint

B

Angular joint

C

Gliding joint

D

Fibrous joint

Question 61: Palette 61/62

NEET 2000 MCQ

Sternum is connected to ribs by

A

bony matter

B

white fibrous cartilage

C

hyaline cartilage

D

areolar tissue.

Question 62: Palette 62/62

NEET 2000 MCQ

Bone related with skull is

A

coracoid

B

arytenoid

C

pterygoid

D

atlas.