Locomotion and Movement(Types of Movement- Ciliary, Fiagellar, Muscular; Skeletal Muscle- Contractile Proteins and Muscle Contraction,...) NEET Questions

Biology - Human Physiology

Locomotion and Movement(Types of Movement- Ciliary, Fiagellar, Muscular; Skeletal Muscle- Contractile Proteins and Muscle Contraction,...) MCQ Questions


7.
Myasthenia gravis is an autoimmune disorder that affects:
A.
Neuromuscular junctions
B.
Synovial joints
C.
Bone density
D.
Cartilage
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ANSWER :
A. Neuromuscular junctions
8.
Which of the following movements is an example of ciliary movement in the human body?
A.
Movement of food in the esophagus
B.
Movement of mucus in the respiratory tract
C.
Contraction of the heart
D.
Blinking of the eyes
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ANSWER :
B. Movement of mucus in the respiratory tract
9.
The H-zone in the sarcomere represents:
A.
Entire length of thick filaments
B.
Region with only thick filaments
C.
Region with only thin filaments
D.
Overlapping area of thick and thin filaments
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ANSWER :
B. Region with only thick filaments
10.
Osteoporosis is characterized by:
A.
Decreased bone mass and density
B.
Increased bone mass
C.
Inflammation of joints
D.
Muscle weakness
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ANSWER :
A. Decreased bone mass and density
11.
Which type of muscle tissue is involuntary and non-striated?
A.
Skeletal muscle
B.
Cardiac muscle
C.
Smooth muscle
D.
None of the above
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ANSWER :
C. Smooth muscle
12.
Gout is a disorder characterized by the accumulation of:
A.
Lactic acid
B.
Uric acid crystals in joints
C.
Calcium deposits
D.
Fatty deposits
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ANSWER :
B. Uric acid crystals in joints