LOCOMOTION & MOVEMENT QUESTION BANK

LOCOMOTION & MOVEMENT QUESTION BANK Question and answer based on strictly latest NCERT based pattern, and previous year NEET (AIPMT) question. chapter wise approach mcq is more useful for quick revision and increase speed for maintaining time period.



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MCQ:-

 


Q1) Out of ‘X’ pairs of ribs in humans only ‘Y’ paors are true ribs. Select the option that correctly represents values of X & Y & provides their explanation.   (NEET 2017)

X=12, Y=7   True ribs are attached dorsally to
                    Vertebral column & ventrally to the
                                            Sternum.

X=12, Y=5   True ribs are attached dorsally to
                     Vertebral column & sternum on the
                                              two ends.

X=24, Y=7    True ribs are dorsally attached to
                     Vertebral column but are free on
                                      Ventral side.

X=24, Y=12     True ribs are dorsally attached to
                        Vertebral column, but are free on
                                             Ventral side.



Answer- X=12, Y=7   True ribs are attached
Dorsally to vertebral column
& ventrally to the sternum




Q2) The pivot joint between atlas & axis is a type of  (NEET 2017)

Fibrous joint
Cartilaginous joint
Synovial joint
Saddle joint


Answer- synovial joint



Q3) Lack of relaxation between successive stimuli in sustained  muscle contraction is known as  (NEET 2016, PHASE I)

Fatigue
Tetanus
Tonus
Spasm


Answer- Tetanus



Q4) Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.  (NEET 2016, PHASE II)

Calcium
Magnesium
Sodium
Potassium


Answer- Calcium



Q5) Osteoporosis, an age-related disease of skeletal system, may occur due to  (NEET 2016, PHASE II)

Immune disorder affecting neuromuscular junction leading to fatigue
High concentration of Ca⁺⁺ & Na⁺
Decreased level of oestrogen
Accumulation of uric acid leading to inflammation of joints


Answer- Decreased level of oestrogen



Q6) Smooth muscles are  (NEET 2016, PHASE II)

Involuntary, fusiform, non-striated
Voluntary, multinucleate, cylindrical
Involuntary, cylindrical, striated
Voluntary, spindle-shaped, uninucleate


Answer- involuntary, fusiform, non-striated



Q7) Which of the following joints would allow no movement?  (CBSE AIPMT 2015)

Fibrous joint
Cartilaginous joint
Synovial joint
Ball & socket joint


Answer- Fibrous joint


Q8) Which of the following is not a function of the skeletal system?  (CBSE AIPMT 2015)

Production of erythrocytes
Storage of minerals
Production of body heat
Locomotion


Answer- Production of body heat



Q9) Select the correct matching of the type of the joint with the example in human skeletal system  (CBSE AIPMT 2014)

        Types of Joint                  Example

Cartilaginous joint         between frontal &
                                                      Parietal

Pivot joint                       Between 3rd & 4th
                                         Cervical vertebrae


Hinge joint                    Between humerus &
                                        Pectoral girdle


Gliding joint                 Between carpals





AnswerGliding joint           Between carpals



Q10) The H-zone in the skeletal muscle fibre is due to  (NEET 2013)

The absence of myofibrils in the central portion of A-band
The central gap between myosin filaments in the A-band
The central gap between actin filaments extending through myosin filaments in the A-band
Extension of myosin filaments in the central portion of the A-band


Answer- The central gap between actin filaments extending through myosin filaments in the A-band


Q11) The characteristics & an example of a synovial joint in humans is  (NEET 2013)



                Characteristics                     Examples

Fluid cartilage between                      Knee joints
Two bones, limited movements

Fluid filled between two joints,          Skull bones
Provides cushion

Fluid filled synovial cavity b/w            joint between
        Two bones                                       atlas & axis

Lymph filled between two bones,      Gliding joint
Limited  movement                            between
                                                             Carpals



Answer- fluid filled synovial cavity        joint between
Between two bones                                 atlas & axis



Q12) Select the correct statement with respect to locomotion in humans.  (NEET 2013)

A decreased level of progesterone causes osteoporosis in old people
Accumulation of uric acid crystals in joints causes their inflammation
The vertebral column has 10 thoracic vertebrae
The joint between adjacent vertebrae is a fibrous joint


Answer- Accumulation of uric acid crystals in joints causes their inflammation


Q13) Select the correct statement regarding the specific disorder of muscular or skeletal system  (CBSE AIPMT 2012)

Muscular dystrophy- Age related shortening of muscles
Osteoporosis- Decrease in bone mass & higher chances of fractures with advancing age
Myasthenia gravis- Autoimmune disorder which inhibits sliding of myosin filaments
Gout- Inflammation of joints due to extra deposition of calcium


Answer- Osteoporosis- Decrease in bone mass & higher chances of fractures with advancing age



Q14) Elbow joint is an example of   (CBSE AIPMT 2009)

Pivot joint
Hinge joint
Gliding joint
Ball & socket joint


Answer- hinge joint



Q15) Which one of the following is the correct pairing of a body part & the kind of muscle tissue that moves it?  (CBSE AIPMT 2009)

Heart wall- involuntary unstriated muscle
Biceps of upper arm- smooth muscle fibres
Abdominal wall- Smooth muscle
Iris- Involuntary smooth muscle


Answer- Iris- Involuntary smooth muscle


Q16) The contractile protein of skeletal muscle involving ATPase activity is   (CBSE AIPMT 2006)

Myosin
a-actinin
Troponin
Tropomyosin


Answer- Myosin



Q17) Which of the following pairs, is  correctly matched?  (CBSE AIPMT 2005)

Hinge joint- between vertebrae
Gliding joint- between zygapophyses of the Successive vertebrae

Cartilaginous joint- skull bones
Fibrous joint- between phalanges

Answer- Gliding joint – between zygapophyses of the Successive vertebrae




Q18) An acromion process is characteristically found in the  (CBSE AIPMT 2005)

Pelvic girdle of mammals
Pectoral girdle of mammals
Skull of frog
Sperm of mammals


Answer- Pectoral girdle of mammals


Q19) ATPase enzyme needed for muscle contraction is located in   (CBSE AIPMT 2004)

actinin
troponin
myosin
actin


Answer- Myosin


Q20) What will happen if ligaments are cut or broken?  (CBSE AIPMT 2002)

Bones will move freely at joints
No movement at joint
Bone will become unfix
Bone will become fixed


Answer- Bone will become unfix



Q21) Which statement is correct for muscle contraction?  (CBSE AIPMT 2001)

Length of H-zone decrease
Length of A-band remains constant
Length of I-band increases
Length of two Z-line increases


Answer- Length of A-band remains constant


Q   22) What is sarcomere?(CBSE AIPMT 2001)

Part between two H-lines
Part between two A-lines
Part between two I-bands
Part between two Z-lines




Answer- Part betweentwo Z-lines


Q23) Which one of the following is a skull bone?   (CBSE AIPMT 2000)

Atlas
Coracoid
Arytenoid
Pterygoid




Answer- Pterygoid



Q24) The joint found between sternum & the ribs in humans is    (CBSE AIPMT 2000)

Angular joint
Fibrous joint
Cartilaginous joint
Gliding joint




Answer- Cartilaginous joint



Q25) Ligament is a    (CBSE AIPMT 1999)

Modified yellow elastic fibrous tissue
Inelastic white fibrous tissue
Modified white fibrous tissue
None of the above




Answer- Inelastic white fibrous tissue



Q26) Tendon is made up of   (CBSE AIPMT 1999)

Adipose tissue
Modified white fibrous tissue
Areolar tissue
Yellow fibrous connective tissue




Answer- Modified white fibrous tissue



Q27) Total number of bones in the hind limb of man is  (CBSE AIPMT 1998)

14
30
24
21


Answer- 30



Q28) Which of the following is the contractile protein of a muscle?  (CBSE AIPMT 1998)

Myosin
Tropomyosin
Actin
Tubulin


Answer- Myosin


Q29) The lower jaw in mammals is made up of   (CBSE AIPMT 1998)

Mandible
Dentary
Maxilla
Angular



Answer- Dentary



Q30) The number of floating ribs, in the human body, is   (CBSE AIPMT 1995)

6 pairs
5 pairs
3 pairs
2 pairs



Answer- 2 pairs