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NEET • BIOLOGY • LOCOMOTION AND MOVEMENT

Locomotion and movement practice · Mixed difficulty

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Showing 31-60 of 222 questions

31 Medium

31 of 222

Remembering +4 | -1

Progressive degeneration of skeletal muscle due to genetic disorder is called

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Correct option: D

Muscular dystrophy

Option D (Muscular dystrophy) is correct because it is a genetic disorder characterized by the progressive degeneration of skeletal muscle.

32 Medium

32 of 222

Understanding +4 | -1

Joint present between bones tibia and femur is also present in between

View answer and explanation

Correct option: C

Humerus and ulna

Option C (Humerus and ulna) is correct because the knee joint (tibia and femur) and the elbow joint (humerus and ulna) are both hinge joints.

33 Easy

33 of 222

Analyzing +4 | -1

Assertion (A): The cranium and carpals are parts of axial skeleton
Reason (R): Both carpals and cranium have 8 bones each.

View answer and explanation

Correct option: D

If A is false, but R is true

Option D is correct because the assertion is false, as carpals are part of the appendicular skeleton, while the reason is true, stating both cranium and carpals have 8 bones each.

34 Medium

34 of 222

Understanding +4 | -1

Osteoporosis, an age related disease of skeletal system, may occur due to

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Correct option: D

decreased level of estrogen

Option D (decreased level of estrogen) is correct because osteoporosis is often associated with decreased estrogen levels, especially in post-menopausal women.

35 Medium

35 of 222

Remembering +4 | -1

Joints are classified into three major types. They are
I. Fibrous joint II. Hinge joint
III. Cartilaginous joint IV. Pivot joint
V. Synovial joint
Select the option containing correct articles

View answer and explanation

Correct option: A

I, III and V

Option A (I, III and V) is correct because the three major types of joints are Fibrous, Cartilaginous, and Synovial. Hinge and Pivot are types of Synovial joints.

36 Medium

36 of 222

Analyzing +4 | -1

Read the following statements and identify the incorrect one.

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Correct option: C

In the muscle fibers which have less quantity of myoglobin, the number of
mitochondria as well as sarcoplasmic reticulum is also less

Option C ((A) is True but (R) is False) is correct because after death, rigor mortis (stiffening) occurs due to the lack of ATP, preventing myosin from detaching from actin, but the reason provided is not the correct explanation.

37 Hard

37 of 222

Remembering +4 | -1

Gout is the inflammation of joints due to accumulation of -

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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.

38 Easy

38 of 222

Remembering +4 | -1

Which of the following bones in human body are involved in the formation of pivot joint?

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Correct option: D

Atlas and axis

Option D (Atlas and axis) is correct because the pivot joint is formed between the atlas (C1) and axis (C2) vertebrae, allowing for rotational movement of the head.

39 Medium

39 of 222

Understanding +4 | -1

What is the correct order that a motor nerve impulse travels when triggering a muscle contraction?

View answer and explanation

Correct option: A

Motor nerve

\to

Synaptic cleft

\to

Sarcolemma

\to

Sarcoplasmic reticulum

\to

Troponin

Option A (Motor nerve

\to

Synaptic cleft

\to

Sarcolemma

\to

Sarcoplasmic reticulum

\to

Troponin) is correct because it represents the correct sequence of events in muscle contraction.

40 Medium

40 of 222

Understanding +4 | -1

During muscular contractions, which of the following events occur?
i) H - Zone disappears
ii) A band widens
iii) I - band reduces in width
iv) width of A band is unaffected
v) M line and Z line come closer

View answer and explanation

Correct option: A

i, iii, iv & v

Option A (i, iii, iv & v) is correct because it accurately describes the events that occur during muscular contractions.

41 Medium

41 of 222

Remembering +4 | -1

Which of the following is the store house of calcium in muscles?

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Correct option: B

Sarcoplasmic reticulum

Option B (Sarcoplasmic reticulum) is correct because the sarcoplasmic reticulum is the primary intracellular storage site for calcium ions in muscle cells, essential for regulating muscle contraction.

42 Easy

42 of 222

Remembering +4 | -1

Which ion binds with troponin during muscle contraction?

View answer and explanation

Correct option: B

C{a^{2 + }}

Option B (

C{a^{2 +}}

) is correct because calcium ions bind to troponin, initiating the muscle contraction process.

43 Easy

43 of 222

Remembering +4 | -1

Hollow bones are characteristic of

View answer and explanation

Correct option: B

Birds

Option B (Birds) is correct because hollow bones (pneumatic bones) are a characteristic adaptation of birds, reducing their weight for flight.

44 Medium

44 of 222

Understanding +4 | -1

Arrange the given steps of muscle contraction in the series of events from first to last
I. Myosin head binds to the exposed active site on action to form a cross bridge
II. The Z-line attached to these actin are also pulled in wards there by causing shortening of sarcomere also called contraction
III. This pulls the attached actin filaments towards the centre of A -band
The correct option is

View answer and explanation

Correct option: C

I → III → II

Option C (I → III → II) is correct because it represents the correct sequence of events in muscle contraction, starting with myosin head binding and ending with sarcomere shortening.

45 Easy

45 of 222

Remembering +4 | -1

Scapula is a large triangular flat bone situated in the dorsal part of the thorax between the

View answer and explanation

Correct option: B

Second and seventh ribs

Option B is correct because the scapula is located in the dorsal part of the thorax, specifically between the second and seventh ribs.

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46 Medium

46 of 222

Remembering +4 | -1

I-bands of myofibrils are bisected by

View answer and explanation

Correct option: C

Z-lines

Option C (Z-lines) is correct because Z-lines bisect the I-bands of myofibrils.

47 Easy

47 of 222

Understanding +4 | -1

Select the incorrect match.

View answer and explanation

Correct option: C

Saddle joint – Between carpals

Option C (Saddle joint – Between carpals) is correct because saddle joints are found between the carpal and metacarpal of the thumb, not between carpals.

48 Easy

48 of 222

Remembering +4 | -1

The store house of calcium ions in the muscle fibre is

View answer and explanation

Correct option: C

Sarcoplasmic reticulum

Option C (Sarcoplasmic reticulum) is correct because the sarcoplasmic reticulum is the primary storage site for calcium ions within muscle fibers, essential for muscle contraction.

49 Easy

49 of 222

Remembering +4 | -1

Human vertebral column is formed by

View answer and explanation

Correct option: D

33 vertebrae

Option D (33 vertebrae) is correct because the human vertebral column is typically composed of 33 vertebrae during development, though some fuse in adulthood.

50 Medium

50 of 222

Understanding +4 | -1

Statement I: Methods of locomotion performed by animals vary with their habits and demand of the situation.

Statement II: Walking & running on land, climbing on trees, flying in air, swimming in water are different types of locomotion based on habitats.

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Correct option: B

Only statement II is correct

Option B (Only statement II is correct) is correct because statement II accurately describes different types of locomotion based on habitats, while statement I is too general.

51 Hard

51 of 222

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.

52 Easy

52 of 222

Remembering +4 | -1

Movement of our limbs, jaws, tongue, etc., requires

View answer and explanation

Correct option: C

Muscular movement

Option C (Muscular movement) is correct because the movement of limbs, jaws, and tongue is primarily facilitated by the contraction and relaxation of muscles.

53 Medium

53 of 222

Remembering +4 | -1

Osteoporosis is a

View answer and explanation

Correct option: A

Age related disorder

Option A (Age related disorder) is correct because osteoporosis is primarily associated with aging and the decline in bone density that occurs with age.

54 Medium

54 of 222

Remembering +4 | -1

Actin protein occurs in which of the following two forms?

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Correct option: A

Polymeric F – actin and monomeric G – actin

Option A (Polymeric F – actin and monomeric G – actin) is correct because actin exists as a monomer (G-actin) that polymerizes to form filaments (F-actin).

55 Easy

55 of 222

Understanding +4 | -1

Which of the following is a correct match for disease and its symptoms?

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Correct option: B

Arthritis – Inflamed joints

Option B (Arthritis – Inflamed joints) is correct because arthritis is characterized by inflammation of the joints.

56 Easy

56 of 222

Understanding +4 | -1

C{a^{2 + }}

ions pumps back to sarcoplasmic reticulum
II. Z-lines back to their original position
III. Masking of actin filament
IV. Relaxation of muscles
Arrange the above given steps in the sequence of event from first to last

View answer and explanation

Correct option: B

I → III → II → IV

Option B (I → III → II → IV) is correct because it represents the sequence of events in muscle relaxation, starting with calcium ion pumps and ending with muscle relaxation.

57 Easy

57 of 222

Analyzing +4 | -1

Which one is odd pair?

View answer and explanation

Correct option: C

Axis-Atlas

Option D (Tarsal- Carpals) is correct because Femur-Humerus, Tibia-Radius, and Axis-Atlas are all bones in similar locations in the body, while Tarsals and Carpals are in different locations.

58 Easy

58 of 222

Understanding +4 | -1

Which of the following statements are true for ciliary movements?

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Correct option: D

All of the above

Option D (All of the above) is correct because ciliary movements are involved in the propulsion of excretory products, are present in trachea, vasa efferentia, and oviducts, and are seen in Paramecium and other ciliates.

59 Medium

59 of 222

Analyzing +4 | -1

Assertion : There are similarities between the
locomotion of unicellular organisms and
multicellular animals.

Reason : Ciliary, flagellar and amoeboid
movements occur in unicellular organisms.

View answer and explanation

Correct option: B

If both Assertion and Reason are true but Reason
is not the correct explanation of Assertion

Option B (If both Assertion and Reason are true but Reason is not the correct explanation of Assertion) is correct because both statements are true, but the reason doesn't directly explain the assertion.

60 Medium

60 of 222

Remembering +4 | -1

Select the correct match.

View answer and explanation

Correct option: C

11th and 12th pair of ribs – floating ribs

Option C (11th and 12th pair of ribs – floating ribs) is correct because the 11th and 12th ribs are not attached to the sternum and are therefore called floating ribs.

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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