Locomotion and Movement NEET MCQs – Online MCQs Test no. 7 11

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Locomotion and Movement NEET Questions (MCQs) | Locomotion and Movement Class 11 NEET Questions | Online Test 07

Locomotion and Movement | Movement and Support in Humans: MCQs Quiz - 7

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Your answers are highlighted below.
Question 1
Secretion of osteoid by osteoblasts forms ______.
A
Marrow
B
Cartilage
C
Matrix
D
Canaliculi
Question 2
The supportive skeletal structures in the human external ears and in the nose tip are examples of ______.
A
Ligament
B
Areolar tissue
C
Bone
D
Cartilage
Question 3
The two protein molecules, closely associated with actin filaments are ______ and ______.
A
actin and myosin
B
actin and tropomyosin
C
troponin and tropomyosin
D
tubulin and tropomyosin
Question 4
Cells and their functions are matched below. Which is the correct option?
A
Osteoblasts - bone-forming cells
B
Osteoclasts - bone-absorbing cells
C
Osteocytes - Cartilage-forming cells
D
Both (A) and (B) are correct
Question 5
Thoracic cage of man is formed of
A
Ribs, sternum and thoracic vertebrae
B
Ribs and thoracic vertebrae
C
Ribs, sternum and lumbar vertebrae
D
Ribs and sternum
Question 6
The type of muscles present in our
A
Thigh are striated and voluntary
B
Upper arm are smooth muscle fibres fusiform in shape
C
Heart are involuntary and unstriated smooth muscles
D
Intestine are striated and involuntary
Question 7
Which one of the following statement is true about spongy bone?
A
Unorganized appearance
B
Lighter than compact bone
C
Surrounds the bone marrow cavity
D
All of these are correct
Question 8
Motor neurons electrically stimulate nearby muscle fibers at ______.
A
Creatine phosphate
B
Actin filament
C
Neuromuscular junction
D
Cross-bridges
Question 9
Chemical ions responsible for muscle contraction are
A
Na+ and Ca2+
B
Na+ and K+
C
Ca2+ and K+
D
Ca2+ and Mg2+
Question 10
Assertion: Knee joint is the hinge type of joint. Reason: Femur, patella and fibula are associated with knee joint.
A
Assertion and Reason both are correct and Reason is the correct explanation of Assertion
B
Assertion and Reason both are correct but Reason is not correct explanation of Assertion
C
Assertion is correct but Reason is wrong
D
Assertion is wrong but Reason is correct
Question 11
In hurdle race, what is the major energy source of the leg muscle?
A
Performed ATP
B
Glycolysis
C
Pyruvate and lactate
D
Oxidative metabolism
Question 12
Which one of the followings stands incorrect regarding skeletal muscle?
A
Responsible for voluntary movement
B
Contract and expand slowly
C
Cell fibers have multiple nuclei
D
Stimulated by central nervous system
Question 13
Yellow bone marrow, in the medullary cavity of the diaphysis is primarily ______.
A
Collagen fibers, made of protein
B
Bone-forming and bone-absorbing cells
C
Fat that can be utilized for energy
D
None of these
Question 14
Statements about the mechanism of muscle contraction are given below:

I. Acetylcholine is released when the neural signal reaches the motor end plate.

II. Muscle contraction is initiated by a signal sent by CNS via a sensory neuron.

III. During muscle contraction isotropic band gets elongated.

IV. Repeated activation of the muscles can lead to lactic acid accumulation.

Identify the correct statements.

A
I and IV are correct
B
I and III are correct
C
II and III are correct
D
I, Il and III are correct
Question 15
Match the following and choose the correct option.
Type Synovial Joint Bone Involved
a. Ball and socket 1. Carpal and metacarpal of thumb
b. Hinge 2. Atlas and axis
c. Pivot 3. Frontal and parietal
d. Saddle 4. Knee
  5. Humerus and pectoral girdle
A
a - 5, b - 4, c - 2, d - 1
B
a - 1, b - 3, c - 4, d - 5
C
a - 5, b - 4, c - 3, d - 1
D
a - 1, b - 2, c - 5, d - 4
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