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NEET • BIOLOGY • LOCOMOTION AND MOVEMENT

Locomotion and movement practice · Hard

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1 Hard

1 of 30

Understanding +4 | -1

What is the incorrect set of antagonistic muscles?

View answer and explanation

Correct option: A

Flexor – Relaxor

Option A is correct because "Flexor – Relaxor" is not a standard antagonistic muscle pair; the antagonist to a flexor is an extensor.

2 Hard

2 of 30

Understanding +4 | -1

Read the following statements (A) and (B) and choose the correct answer.

Statement - A: Movement is one of the significant features of living beings.

Statement - B: Flying is a form of locomotory movements in most of the birds, insects and certain mammals.

View answer and explanation

Correct option: B

Both statements A and B are correct

Option B (Both statements A and B are correct) is correct because movement is a key characteristic of living organisms, and flying is a form of locomotory movement in birds, insects, and some mammals.

3 Hard

3 of 30

Remembering +4 | -1

Axis is associated with

View answer and explanation

Correct option: D

Vertebral column,

2^{nd}

cervical vertebra

Option D (Vertebral column,

2^{nd}

cervical vertebra) is correct because the axis is the second cervical vertebra (C2) and is part of the vertebral column.

4 Hard

4 of 30

Remembering +4 | -1

Gout is the inflammation of joints due to accumulation of -

View answer and explanation

Correct option: C

Uric acid crystal

Option C (Uric acid crystal) is correct because gout is caused by the inflammation of joints due to the accumulation of uric acid crystals.

5 Hard

5 of 30

Remembering +4 | -1

White muscle fibres are characterised by

View answer and explanation

Correct option: D

They depend upon anaerobic process of respiration for energy

Option D (They depend upon anaerobic process of respiration for energy) is correct because white muscle fibers primarily rely on anaerobic respiration for energy production.

6 Hard

6 of 30

Remembering +4 | -1

The functional unit of the contractile system in the striped muscle is:

View answer and explanation

Correct option: D

Sarcomere

Option D (Sarcomere) is correct because the sarcomere is the basic functional unit responsible for muscle contraction in striated muscles.

7 Hard

7 of 30

Understanding +4 | -1

The joint between prezygapophysis and post zygapophysis of adjacent vertebrae is same as that present between

View answer and explanation

Correct option: B

Ribs and Sternum

Option B is correct because the joint between the ribs and sternum, like that between prezygapophysis and post zygapophysis, allows for limited gliding movement.

8 Hard

8 of 30

Remembering +4 | -1

All or None law is associated with

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because the All or None law applies to skeletal muscle fibers, neurons, and cardiac muscle fibers.

9 Hard

9 of 30

Remembering +4 | -1

Which is function of calcium

View answer and explanation

Correct option: D

All of the above

Option D (All of the above) is correct because calcium plays a crucial role in blood clotting, muscular contraction, and nerve conduction.

10 Hard

10 of 30

Understanding +4 | -1

Difference between the femur of rabbit and femur of frog is:

View answer and explanation

Correct option: A

Haversian system of canals is found in the shaft of femur of rabbit, not of frog

Option A (Haversian system of canals is found in the shaft of femur of rabbit, not of frog) is correct because the Haversian system is characteristic of mammalian bone, like that of a rabbit, and is absent in amphibians like frogs.

11 Hard

11 of 30

Understanding +4 | -1

The contraction of the muscle continues in sliding filament theory

View answer and explanation

Correct option: A

till ATP binds to myosin head

Option A (till ATP binds to myosin head) is correct because ATP binding to the myosin head is required for the detachment of myosin from actin, leading to muscle relaxation, and the cessation of contraction.

12 Hard

12 of 30

Remembering +4 | -1

Humans have the most prominent sesamoid bone, the ______

View answer and explanation

Correct option: D

Patella

Option D (Patella) is correct because the patella, or kneecap, is the most prominent sesamoid bone in humans.

13 Hard

13 of 30

Understanding +4 | -1

Statement I Microtubules are formed only in animal cells. Statement II Microtubules are made up of a protein called myosin.

Choose the correct option

View answer and explanation

Correct option: D

Both statements are incorrect.

Option D (Both statements are incorrect) is correct because microtubules are found in both animal and plant cells, and they are made of tubulin, not myosin.

14 Hard

14 of 30

Understanding +4 | -1

Which of the following is unlikely to happen during muscle contraction?

View answer and explanation

Correct option: A

The size of thin filaments decrease while the size of thick filaments remains unchanged

Option A (The size of thin filaments decrease while the size of thick filaments remains unchanged) is correct because the size of neither thin nor thick filaments changes during muscle contraction; they slide past each other.

15 Hard

15 of 30

Remembering +4 | -1

The strongest muscle in the human is

View answer and explanation

Correct option: D

masseter

Option D (masseter) is correct because the masseter muscle, located in the jaw, is responsible for chewing and is considered one of the strongest muscles in the human body based on its size and force generation.

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16 Hard

16 of 30

Understanding +4 | -1

Which of the following pair is correctly matched?

View answer and explanation

Correct option: D

Gliding join - Between zygapo-physes of the successive vertebrae

Option D is correct because gliding joints are indeed found between the zygapophyses of successive vertebrae, allowing for limited movement.

17 Hard

17 of 30

Understanding +4 | -1

How many features given below in box are present in skeletal muscles?
Voluntary, Uninucleate, Attached to bones, Striations, Intercalated discs.

View answer and explanation

Correct option: B

Three

Option B (Three) is correct because skeletal muscles are voluntary, attached to bones, and striated, but they are multinucleate, not uninucleate, and lack intercalated discs.

18 Hard

18 of 30

Remembering +4 | -1

Human adult vertebral formula is -

View answer and explanation

Correct option: D

\mathrm{C}_7 \mathrm{~T}_{12} \mathrm{~L}_5 \mathrm{~S}_1 \mathrm{C}_1

Option D (

\mathrm{C}_7 \mathrm{~T}_{12} \mathrm{~L}_5 \mathrm{~S}_1 \mathrm{C}_1

) is correct because it represents the number of vertebrae in each region of the human vertebral column: Cervical (7), Thoracic (12), Lumbar (5), Sacral (1 fused), and Coccygeal (1 fused).

19 Hard

19 of 30

Remembering +4 | -1

Deltoid (shoulder) muscle functions as a/an

View answer and explanation

Correct option: C

Abductor

Option C (Abductor) is correct because the deltoid muscle's primary function is to abduct the arm away from the body.

20 Hard

20 of 30

Remembering +4 | -1

ATPase of the muscle is located in

View answer and explanation

Correct option: C

Myosin

Option C (Myosin) is correct because Myosin filaments contain ATPase enzyme which helps in muscle contraction.

21 Hard

21 of 30

Understanding +4 | -1

Which of the following statements about the striated muscles is false?

I. Thick filaments in the 'A' band are also held together in the middle of this band by a thin fibrous membrane called 'M' line

II. In the centre of each 'I' band is an elastic fibre called 'Z' line which bisects it

III. The thin filaments are firmly attached to the 'Z' line

IV. This central part of thick filament, not overlapped by thin filaments is called the 'H'

View answer and explanation

Correct option: D

None of these

Option D (None of these) is correct because all the statements provided about striated muscles are true.

22 Hard

22 of 30

Understanding +4 | -1

Epiphyseal plates at the extremities of long bones help in

View answer and explanation

Correct option: B

elongation of bone

Option B (elongation of bone) is correct because epiphyseal plates are responsible for longitudinal bone growth.

23 Hard

23 of 30

Understanding +4 | -1

Which of the following statements are correct regarding locomotion and movement?

(A) Movement is one of the significant features of living beings.

(B) Locomotion is generally for search of food and shelter only

(C) Human use limbs for changes in body postures and locomotion as well.

(D) All locomotion are movement but all movements are not locomotions.

View answer and explanation

Correct option: B

Only A, C, D

Option B (Only A, C, D) is correct because locomotion is not *only* for search of food and shelter.

24 Hard

24 of 30

Remembering +4 | -1

Select the correct option:

View answer and explanation

Correct option: C

HMM = Head + Short arm

Option C (HMM = Head + Short arm) is correct because Heavy Meromyosin (HMM) consists of the myosin head and a short portion of the tail.

25 Hard

25 of 30

Understanding +4 | -1

Which of the following is smallest component of a muscle?

View answer and explanation

Correct option: D

Meromyosin

Option D (Meromyosin) is correct because meromyosin is a subunit of myosin, making it smaller than a myofibril, muscle fiber, or fascicle.

26 Hard

26 of 30

Remembering +4 | -1

Oxygen debt' is amount of oxygen required for:

View answer and explanation

Correct option: C

Muscle recovery

Option C (Muscle recovery) is correct because 'oxygen debt' refers to the amount of oxygen needed to restore metabolic conditions to resting levels after exercise.

27 Hard

27 of 30

Understanding +4 | -1

Which one of the following bones are similar in number :

(a) Carpals of both fore limb

(b) Tarsals of both hind limb

(c) Cervical vertebrae

(d) True ribs

(e) Phalanges of both fore limb

View answer and explanation

Correct option: C

b,d

Option C (b,d) is correct because the number of tarsals in both hind limbs is 14 (7 in each foot), and the number of true ribs is 14 (7 pairs).

28 Hard

28 of 30

Understanding +4 | -1

Read the following statements and choose the correct option.
Assertion: Ciliated protozoans are actively moving organisms
Reason: Ciliated protozoans exhibit the presence of thousands of cilia.

View answer and explanation

Correct option: A

Both assertion and reason are true and reason is the correct explanation of assertion

Option A (Both assertion and reason are true and reason is the correct explanation of assertion) is correct because the presence of thousands of cilia enables ciliated protozoans to move actively.

29 Hard

29 of 30

Understanding +4 | -1

Identify a wrong statement with respect to ribs.

View answer and explanation

Correct option: B

Seventh rib is usually floating in Japanese and some other people

Option B (Seventh rib is usually floating in Japanese and some other people) is correct because the seventh rib is a true rib, attached to the sternum, and not a floating rib.

30 Hard

30 of 30

Remembering +4 | -1

Epimysium is the covering of

View answer and explanation

Correct option: D

Muscle

Option D (Muscle) is correct because the epimysium is a connective tissue sheath that surrounds the entire muscle.

Revision notes and key takeaways

Review LOCOMOTION AND MOVEMENT in your textbook or class notes, then use this set to check your understanding.

Key Takeaways

✓ This set contains 30 single-correct-answer MCQs on LOCOMOTION AND MOVEMENT.
✓ Try each question before opening its answer. Read the explanation where one is available.
✓ Sign in to save submitted answers. Revisit incorrect answers alongside your textbook or class notes.

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