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NEET • BIOLOGY • LOCOMOTION AND MOVEMENT
Locomotion and movement practice · Mixed difficulty
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Showing 211-222 of 222 questions
211
Easy
211 of 222
Understanding
+4 | -1
Which of the following statements is correct?
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Correct option: D
All of the above
Option D (All of the above) is correct because all the statements are factually correct: the mandible is the only movable skull bone, arm movements aid balance during walking, and cartilaginous joints have limited mobility due to fibrocartilage discs.
212
Easy
212 of 222
Understanding
+4 | -1
Which muscle component is the smallest among the given options?
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Correct option: C
Actin
Option C (Actin) is correct because actin is a protein that forms the thin filaments within the sarcomere, making it smaller than muscle fibers, myofibrils, and sarcomeres.
213
Medium
213 of 222
Understanding
+4 | -1
Cytoskeletal elements like microfilaments are also involved in
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Correct option: C
Amoeboid movement
Option C (Amoeboid movement) is correct because microfilaments are essential components of the cytoskeleton involved in the formation of pseudopodia during amoeboid movement.
214
Easy
214 of 222
Remembering
+4 | -1
Thin filament in a sarcomere does not contains
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Correct option: A
Meromyosin
Option C (If Assertion is true but Reason is false) is correct because while muscle contraction force increases with stimulus strength, this is due to the recruitment of more muscle fibers, not increased contraction of individual fibers.
215
Medium
215 of 222
Analyzing
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Assertion (A): The myosin rich zone called A-band maintains its length during sarcomere contraction
Reason (R): The length of I-band remains the same during muscle contraction.
Reason (R): The length of I-band remains the same during muscle contraction.
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Correct option: C
If A is true, but R is false
Option C (If A is true, but R is false) is correct because the A-band's length remains constant during contraction, while the I-band shortens.
216
Easy
216 of 222
Remembering
+4 | -1
Macrophages and leucocytes in blood exhibits
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Correct option: A
Amoeboid movement
Option A is correct. Macrophages and leucocytes exhibit amoeboid movement to engulf pathogens and debris.
217
Medium
217 of 222
Remembering
+4 | -1
Visceral muscles are also called
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Correct option: D
All of these
Option D (All of these) is correct because visceral muscles are also known as smooth muscles, non-striated muscles, and involuntary muscles.
218
Medium
218 of 222
Understanding
+4 | -1
Select the incorrect match
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Correct option: C
Joint between carpals- Saddle joint
Option C (Joint between carpals- Saddle joint) is correct because the joint between carpals is a gliding joint, not a saddle joint. Saddle joint is present between carpal and metacarpal of thumb.
219
Hard
219 of 222
Remembering
+4 | -1
Epimysium is the covering of
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Correct option: D
Muscle
Option D (Muscle) is correct because the epimysium is a connective tissue sheath that surrounds the entire muscle.
220
Medium
220 of 222
Analyzing
+4 | -1
Assertion: In a resting sarcomere, H-zone is paler (less dark) than the remaining A-band.
Reason: H-zone of resting sarcomere contains only thick filaments whereas the rest of the A-band has only thin filaments.
Reason: H-zone of resting sarcomere contains only thick filaments whereas the rest of the A-band has only thin filaments.
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Correct option: C
Assertion is true, Reason is false.
Option C (206 bones) is correct because the adult human skeletal system typically consists of 206 bones.
221
Easy
221 of 222
Remembering
+4 | -1
Globular head with a short arm and a tail are the two imperfect part of
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Correct option: D
Meromyosin
Option D (Meromyosin) is correct because meromyosin is a component of the myosin molecule, consisting of a globular head, a short arm, and a tail.
222
Medium
222 of 222
Understanding
+4 | -1
Choose the correct properties of muscle fibres
I. Muscle fibre is lined by the plasma membrane called sarcolemma
II. Cytoplasm of the muscle fibre is called protoplasm
III. Sarcolemma of the muscle fibre encloses the sarcoplasm
IV. Muscle fibre is syncitium
Select the correct option
I. Muscle fibre is lined by the plasma membrane called sarcolemma
II. Cytoplasm of the muscle fibre is called protoplasm
III. Sarcolemma of the muscle fibre encloses the sarcoplasm
IV. Muscle fibre is syncitium
Select the correct option
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Correct option: A
All except II
Option A (All except II) is correct because muscle fiber cytoplasm is called sarcoplasm, not protoplasm.
Revision notes and key takeaways
Review LOCOMOTION AND MOVEMENT in your textbook or class notes, then use this set to check your understanding.
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