Select Chapter Topics:
Q. No.Assertion (A): Myosin is not a part of thin filament.
Reason (R): Meromyosin polymerises to form myosin.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Skeletal Muscle: Myofilaments |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A) The mechanism of muscle contraction can be explained by sliding-filament theory.
Reason (R): Muscular contraction occurs by the sliding of thick filaments over the thin filaments.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Muscular contraction occurs by the sliding of thick filaments over the thin filaments.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Sliding Filament Theory |
 80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The human skull is dicondylic.
Reason (R) The human skull articulates with superior region of the vertebral column with the hald of two occipetal condyles.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R) The human skull articulates with superior region of the vertebral column with the hald of two occipetal condyles.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Axial Skeleton |
 86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Fibrous joints play a major role in locomotory processes.
Reason (R): Fibrous joint possess synovial fluid.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Fibrous joint possess synovial fluid.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Fibrous & Catilaginous Joints |
 85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Tetany is sustained muscle contraction due to quick series of impulses.
Reason (A): Tetany is a hormonal deficiency disorder.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (A): Tetany is a hormonal deficiency disorder.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Disorders of Muscular and Skeletal System |
 53%
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Foramen magnum is associated with occipital bone.
Reason (R): Foramen of Monro allows spinal cord to pass through it into the vertebrae.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Foramen of Monro allows spinal cord to pass through it into the vertebrae.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Axial Skeleton |
Please attempt this question first.
Hints
Assertion (A): Sliding filament theory can be best explained as actin and filaments do not shorten but rather slide pass each other.
Reason (R): Sliding filament theory was introduced b Andrew Huxley, Rolf Niedergerke, Hugh Huxley and Jean Hanson.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Sliding filament theory was introduced b Andrew Huxley, Rolf Niedergerke, Hugh Huxley and Jean Hanson.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Sliding Filament Theory |
 74%
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): Myasthenia Gravis is an autoimmune disorder.
Reason (R): Antibodies produced in the body start attacking its own receptors present on sarcolemma.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Antibodies produced in the body start attacking its own receptors present on sarcolemma.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Disorders of Muscular and Skeletal System |
 84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The articulation between the occipital condyles and atlas vertebra forms a hinge joint.
Reason (R): This allows the head to move in one plane.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): This allows the head to move in one plane.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Synovial Joint |
 69%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Assertion (A): The inflammation of joints can immobilize the movement.
Reason (R): Immobility is caused to accumulation of uric acid crystals and ossification of articular cartilage.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Reason (R): Immobility is caused to accumulation of uric acid crystals and ossification of articular cartilage.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic: Â Disorders of Muscular and Skeletal System |
 76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.