Q.1.
Sliding filament theory can be best explained as : …[AIPMT 2015]
-
20%
a) When myofilaments slide pass each other, Myosin filaments shorten while Actin filaments do not shorten
-
20%
b) When myofilaments slide pass each other Actin filaments shorten while Myosin filament do not shorten
-
20%
c) Actin and Myosin filaments shorten and slide pass each other
-
40%
d) Actin and Myosin filaments do not shorten but rather slide pass each other
Explanation
Q.2.
Glenoid cavity articulates : …[AIPMT 2015]
-
67%
a) humerus with scapula
-
0%
b) clavicle with acromion
-
33%
c) scapula with acromion
-
0%
d) clavicle with scapula
Explanation
Q.3.
Lack of relaxation between successive stimuli in sustained muscle contraction is known as :- …[AIPMT-2016]
-
33%
a) Spasm
-
0%
b) Fatigue
-
33%
c) Tetanus
-
33%
d) Tonus
Q.4.
The H-zone in the skeletal muscle fibre is due to …[NEET 2013]
-
0%
a) The absence of myofibrils in the central portion of A-band
-
0%
b) The central gap between myosin filaments in the A-band
-
100%
c) The central gap between actin filaments extending through myosin filaments in the
-
0%
d) Extension of myosin filaments in the central portion of the A-band
Q.5.
Select the correct statement with respect to locomotion in humans …[NEET 2013]B28
-
0%
a) A decreased level of progesterone causes osteoporosis in old people.
-
100%
b) Accumulation of uric acid crystals in joints causes their inflammation.
-
0%
c) The vertebral column has 10 thoracic vertebrae.
-
0%
d) The joint between adjacent vertebrae is a fibrous joint.
Q.6.
Name the ion responsible for unmasking of active sites for myosin for cross–bridge activity during muscle contraction. …[NEET 2016]
-
50%
a) Sodium
-
0%
b) Potassium
-
50%
c) Calcium
-
0%
d) Magnesium
Q.7.
Osteoporosis, an age–related disease of skeletal system, may occur due to :- …[NEET 2016]
-
100%
a) Decreased level of estrogen
-
0%
b) Accumulation of uric acid leading to inflammation of joints.
-
0%
c) Immune disorder affecting neuro–muscular junction leading to fatigue.
-
0%
d) High concentration of Ca++ and Na+.
Q.8.
The pivot joint between atlas and axis is a type of ….[NEET- 2017]
-
50%
a) Fibrous joint
-
0%
b) Cartilaginous joint
-
50%
c) Synovial joint
-
0%
d) Saddle joint
Q.9.
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 : ….[NEET- 2017]
-
100%
a) X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum
-
0%
b) X = 12, Y = 5 True ribs are attached dorsally to vertebral column and sternum on the two ends
-
0%
c) X = 24, Y = 7 True ribs are dorsally attached to vertebral column but are free onventral side
-
0%
d) X = 24, Y = 12 True ribs are dorsally attached to vertebral column but are free on ventral side
Q.10.
Which of the following is not a function of the skeletal system? [ ReAIPMT 2015]
-
0%
a) Locomotion
-
0%
b) Production of erythrocytes
-
100%
c) Storage of minerals
-
0%
d) Production of body heat
Q.11.
Which of the following joints would allow no movement ? [ ReAIPMT 2015]
-
0%
a) Ball and Socket joint
-
100%
b) Fibrous joint
-
0%
c) Cartilaginous joint
-
0%
d) Synovial joint
Q.12.
Calcium is important in skeletal muscle contraction because it :-[NEET 2018]
-
100%
a) binds to troponin to remove the masking of active sites on actin for myosin.
-
0%
b) activates the myosin ATPase by binding to it.
-
0%
c) detaches the myosin head from the actin filament.
-
0%
d) prevents the formation of bonds between the myosin cross bridges and the actin filament.
Q.13.
tch the following columns and select the correct option. [NEET 2020]
| 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 |
-
0%
a) a → iii; b → ii; c → iv; d → i;
-
50%
b) a → iv; b → iii; c → i; d → ii;
-
0%
c) a → ii; b → iv; c → i; d → iii;
-
50%
d) a → i; b → iii; c → ii; d → iv;
Q.14.
sertion: The joints of skull are immovable. Reason: The bones of skull are joint with each other by strong collagen fibres.
-
100%
a) Both Assertion and Reason are true and Reason is correct explanation of Assertion
-
0%
b) Both Assertion and Reason are true but Reason is not correct explanation of Assertion
-
0%
c) Assertion is true but Reason is false
-
0%
d) Assertion is false but Reason is true
Q.15.
ich muscle is controlled by autonomous nervous system ?
-
0%
a) Striated muscle
-
100%
b) Visceral muscle
-
0%
c) Cardiac muscle
-
0%
d) All a, b, c
Q.16.
at is the name of complex, small globular protein?
-
100%
a) Troponin
-
0%
b) Tropomyosin
-
0%
c) Actin
-
0%
d) Meromyosin
Q.17.
w many bones, the skull is made of?
-
0%
a) 23
-
100%
b) 22
-
0%
c) 21
-
0%
d) 20
Q.18.
ich are floating rib in human?
-
100%
a) llth and 12th
-
0%
b) 9th and 10th
-
0%
c) 7th and 8th
-
0%
d) 5th and 7th
Q.19.
rough what the movement of internal organs of body occur?
-
0%
a) Skeleton muscles
-
0%
b) Voluntary muscles
-
0%
c) Non-striated muscles
-
100%
d) All type of muscles
Q.20.
ke correct pairs from the column - I and column - II.
| Column I | Column - II |
| (P) Cervical vertebrae | (i) 4 |
| (Q) Thoracic vertebrae | (ii) 5 |
| (R) Lumbar vertebrae | (iii) 7 |
| (S) Sacrum vertebrae | (iv) 12 |
| (T) Coccygeal vertebrae | (v) 5 |
-
0%
a) (P-ii) (Q -iv ) (R- ii) (S - v) (T - i)
-
0%
b) (P-ii) (Q -iii) (R- i) (S - v) (T - iv)
-
100%
c) (P-iii) (Q -iv) (R- ii) (S - v) (T - i)
-
0%
d) ( P-v ) (Q -iii) (R- ii) (S - i) (T - iv)
Q.21.
tal numbers of vertebrae in human skeleton.
-
0%
a) 30
-
0%
b) 32
-
100%
c) 33
-
0%
d) 35
Q.22.
ve the number of Cranium bones?
-
100%
a) 8
-
0%
b) 10
-
0%
c) 14
-
0%
d) 20
Q.23.
at is the phenomenon of overstretched or torn ligaments and tendon called
-
100%
a) Sprain
-
0%
b) Dislocation
-
0%
c) Fracture
-
0%
d) Tension
Q.24.
novial fluid is secreted by
-
0%
a) Blood
-
0%
b) Cartilage
-
0%
c) Bone
-
100%
d) Synovial membrane
Q.25.
jor protein in the thick filament of skeletal muscle fibre is
-
0%
a) Tropomyosin
-
100%
b) Myosin
-
0%
c) Actin
-
0%
d) Troponin
Q.26.
sertion: The contraction of cardiac muscle is Quick, rhythmic, powerful and never get fatigue. Reason: Intercalated disc is absence in cardiac muscle.
-
0%
a) Both Assertion and Reason are true and Reason is correct explanation of Assertion
-
0%
b) Both Assertion and Reason are true but Reason is not correct explanation of Assertion
-
100%
c) Assertion is true but Reason is false
-
0%
d) Assertion is false but Reason is true
Q.27.
sertion: The anterior region go glenoid cavity and humerus joint form joint of shoulder. Reason: The joint of shoulder is ball and socket joint.
-
100%
a) Both Assertion and Reason are true and Reason is correct explanation of Assertion
-
0%
b) Both Assertion and Reason are true but Reason is not correct explanation of Assertion
-
0%
c) Assertion is true but Reason is false
-
0%
d) Assertion is false but Reason is true
Q.28.
ich is not an example of movement in human ?
-
0%
a) Movement of jaws
-
0%
b) Movement of eyelash and tongue
-
0%
c) Movement of appendices
-
100%
d) Hearing process
Q.29.
ich muscle is controlled by sympathetic nervous system?
-
0%
a) Striated muscle
-
0%
b) Cardiac muscle
-
0%
c) Non Striated muscle
-
100%
d) All a, b, c
Q.30.
ich is essential for transmission of messages?
-
0%
a) Adrenalin
-
100%
b) Acetylcholine
-
0%
c) Noradrenalin
-
0%
d) Vasopressin