Identify the protein that is not associated with others when the skeletal muscle is relaxed:

1. Actin 2. Myosin
3. Tropomyosin 4. Troponin

Subtopic:  Sliding Filament Theory |
 60%
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A motor neuron along with all the muscle fibers innervated by it constitute a:

1. Fascicle 2. Motor end plate
3. Motor unit 4. Myoneural junction
Subtopic:  Skeletal Muscle: Basic Anatomy | Skeletal Muscle: Myofilaments |
 69%
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Which of the following is a paired cranial bone?
1. Ethmoid
2. Temporal
3. Sphenoid
4. Occipital
Subtopic:  Axial Skeleton: I | Axial Skeleton: II |
 78%
From NCERT
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The type of joint that will allow least mobility amongst the following would be:

 
1. Fibrous joint 2. Primary cartilaginous joint
3. Secondary cartilaginous joint 4. Synovial joint
Subtopic:  Synovial Joint |
 86%
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A bone disorder especially seen in post-menopausal women would be:

1. Rheumatoid arthritis 2. Rickets
3. Bone cancer 4. Osteoporosis
Subtopic:  Disorders of Muscular and Skeletal System |
 95%
From NCERT
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What is usually used to treat osteomalacia?
1. Estrogen
2. Androgens
3. Vitamin D
4. Calcium

Subtopic:  Disorders of Muscular and Skeletal System |
From NCERT
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Which of the following movements can be seen in a human body?

I. Amoeboid II. Ciliary III. Flagellar
 
1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Introduction to Locomotion |
 76%
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During muscle contraction, the part that does not get shortened in length is labeled as the letter:

1. A 2. B
3. C 4. D
Subtopic:  Excitation Contraction Coupling I | Excitation Contraction Coupling II |
 69%
From NCERT
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Consider the following statements:

I: The head of myosin is made of LMM and the tail is made of HMM
II: F Actin is monomeric while G actin is polymeric
III: Tropomyosin is composed of three globular proteins
The incorrect statements are:
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
Subtopic:  Skeletal Muscle: Myofilaments |
 61%
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During muscle contraction, the length of which of the following remains the same?
1. I-Band
2. H-Zone
3. Sarcomere
4. A-Band

Subtopic:  Sliding Filament Theory |
 87%
From NCERT
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