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Q. No.Consider the given statements and choose the option which correctly states them as true(T) or false(F).
A B C D
1. T T T T
2. F F T T
3. T T F F
4. F T T F
| A. | Locomotion requires a perfectly coordinated activity of the muscular and skeletal system only. |
| B. | Macrophages as well as erythrocytes in blood move using pseudopodia formed by the streaming of protoplasm. |
| C. | Movement of tongue uses contractile property of muscles. |
| D. | Methods of locomotion performed by animals vary with their habitats and the demand of the situation. |
1. T T T T
2. F F T T
3. T T F F
4. F T T F
Subtopic: Â Introduction to Locomotion |
 75%
From NCERT
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How many of the given statements are correct?
Select the correct option.
1. One
2. Three
3. Two
4. Four
| a. | Sarcoplasmic reticulum of the muscle fibres is the storehouse of calcium ions. |
| b. | The type of muscles present in our thigh are striated and voluntary. |
| c. | The H-zone in the skeletal muscle fibre is due to the central gap between myosin filaments in the A-band. |
| d. | Production of body heat and storage of minerals are the functions of the skeletal system. |
Select the correct option.
1. One
2. Three
3. Two
4. Four
Subtopic: Â Introduction to Locomotion |Â Skeletal Muscle: Sarcomere |
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Consider the statements given below with respect to locomotion and movement.
(a) Cytoskeletal elements like microfilaments are involved in ciliary movements in poriferans.
(b) Passage of ova in female reproductive tract is facilitated by ciliary movement of ova.
(c) Amoeboid movement of macrophages is effected by pseudopodia formed by streaming of protoplasm.
Select the option that contains incorrect statements.
1. a and b only
2. b and c only
3. a and c only
4. a, b and c
(a) Cytoskeletal elements like microfilaments are involved in ciliary movements in poriferans.
(b) Passage of ova in female reproductive tract is facilitated by ciliary movement of ova.
(c) Amoeboid movement of macrophages is effected by pseudopodia formed by streaming of protoplasm.
Select the option that contains incorrect statements.
1. a and b only
2. b and c only
3. a and c only
4. a, b and c
Subtopic: Â Introduction to Locomotion |
From NCERT
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Consider the statements given below and choose the option that correctly states them as true(T) or false (F)
| (a) | Locomotion, changes of body postures and heat production are some of the functions of skeletal muscle tissue |
| (b) | Actin filaments are firmly attached to the Z-line |
| (c) | The portion of myofibril between non-consecutive 'Z' lines is called sacromere |
| (d) | Muscles constitute more than 50% of the body weight in an adult human |
| a | b | c | d | |
| 1. | T | T | T | T |
| 2. | T | F | F | T |
| 3. | T | T | F | F |
| 4. | F | T | T | T |
Subtopic: Â Introduction to Locomotion |Â Skeletal Muscle: Basic Anatomy |Â Skeletal Muscle: Sarcomere |
 57%
From NCERT
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Assertion (A): Smooth muscles are called striated muscles.
Reason (R): Striated muscles have a striped appearance under the microscope.
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. (A) is false, but (R) is true.
Reason (R): Striated muscles have a striped appearance under the microscope.
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. (A) is false, but (R) is true.
Subtopic: Â Introduction to Locomotion |
 81%
From NCERT
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