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Locomotion & Movement: MCQ Test

Test your knowledge of human locomotion, muscle contraction, and skeletal system with these multiple-choice questions.

Test Your Knowledge

Showing questions 41 - 60 of 201

41. Corl cyde involves

Liver
Muscles
Liver and muscles both
None of these

The Cori Cycle (or lactic acid cycle) is a metabolic pathway that involves the conversion of lactic acid, produced in muscles during anaerobic activity, into glucose in the liver, which can then be returned to the muscles. Thus, it involves both.

42. Which one of the following is a viral disease that weakens the muscles?

Atrophy
Poliomyelitis
Dystrophy
Muscular hypertrophy

Poliomyelitis is a viral disease that targets motor neurons, leading to muscle weakness and paralysis [information not from source]. The source describes muscular dystrophy as a genetic disorder leading to muscle degeneration.

43. To one of the lateral surtace of humerus a muscle is attached called

Biceps brachii
Oeltoidius
Sartoius
Messeter

The Deltoid muscle (Oeltoidius) inserts onto the deltoid tuberosity, a roughened area on the lateral surface of the humerus [implied by Q.48 in Section A (Ans. 4) which links 'Deltoid Ridge' to Humerus; additional information not from source].

44. In birds which flight muscle is well developed?

Atary
Biceps
Gastrocnemius
Pectoralis major

The Pectoralis major is the most highly developed flight muscle in birds, responsible for the powerful downstroke of the wings during flight [information not from source]. The source mentions that flight muscles in birds can be either red or white, indicating their specialization.

45. The backward bending of the shank is worked out by

Gluteus maximus
Quadriceps femoris muscles
Adductor group of muscles
Gastrocnemius and hamstrings

The backward bending of the shank (flexion of the knee) is primarily achieved by the hamstring muscles (located at the back of the thigh) and is assisted by the gastrocnemius muscle (calf muscle) [information not from source].

46. The longest visceral muscles are found in

Vas deferens
Normal uterus
Pregnant uterus
Abdomen

While the source does not directly define or compare the length of visceral muscles, the provided answer indicates the longest visceral muscles are found in the abdomen. (Note: This might refer to the collective length of smooth muscles within abdominal organs or a specific definition not detailed in the source).

47. Which one is not the character of red skeletal muscle?

Smaller diameter
More mitochondria
More sarcoplasmic reticulum
More blood capillaries

Red muscle fibers are characterized by their thinner diameter, abundance of mitochondria, and rich vascularization (more blood capillaries) to support aerobic metabolism. They have a low amount of sarcoplasmic reticulum, unlike white muscle fibers which have a high amount. Therefore, 'more sarcoplasmic reticulum' is not a characteristic of red muscle.

48. Which of the following is an example of multiunit smooth muscles?

Smooth muscle with the blood vessels
Smooth muscle with the intestine
Masseter muscle of the jaw
Arrector pili muscle of skin

Arrector pili muscles, which cause hair to stand on end (goosebumps), are an example of multi-unit smooth muscles [information not from source]. These muscles contract independently and allow for fine, precise control, unlike single-unit smooth muscles found in the intestines.

49. Least blood supply will be present in case of

Skeletal muscle
Smooth muscle
Cardiac muscle
None of these

Compared to the highly active and oxygen-demanding skeletal and cardiac muscles, smooth muscles generally have the least extensive blood supply, which is sufficient for their slower, sustained contractions and lower metabolic rates [information not from source].

50. The part of skull that includes the cranium, the olfactory capsules and the optic capsules is known as

Splanchnocranium
Dermocranium
Neurocranium
Cranium

The neurocranium refers to the part of the skull that encases and protects the brain, along with the sensory capsules for olfaction (smell) and vision [information not from source]. The source broadly discusses the bones of the cranium.

51. Only movable bone in skull is

Mandible
Vomer
Maxilla
Palatine

The mandible, or lower jaw bone, is the only bone in the human skull that is freely movable, allowing for functions such as chewing and speech.

52. Which one of the following is the bone enclosing the tympanum in mammals?

Tympanic membrane
Tympanic bulla
Masloid
Periotic and tympanic bulla

In mammals, the tympanic bulla is a bony structure that forms part of the temporal bone and encloses the middle ear cavity, which houses the tympanum (eardrum) and auditory ossicles [information not from source].

53. Sella turcica, a depression enclosing the pituitary gland is found in

Temporal bone
Parietal bone
Sphenoid bone
Frontal bone

The sella turcica, a saddle-shaped depression that cradles the pituitary gland, is a characteristic feature located within the sphenoid bone at the base of the skull.

54. Number of unpaired bones in the cranium is

The human cranium contains four unpaired bones: the Frontal, Occipital, Sphenoid, and Ethmoid bones. The Parietal and Temporal bones are paired.

55. Foramen magnum is associated with which bone?

Frontal
Parietal
Temporal
Occipital

The foramen magnum, the large opening at the base of the skull through which the brainstem connects to the spinal cord, is located in the inferior part of the occipital bone.

56. Tongue bone is

Mandible
Hyoid
Flal bone
Coccyx

The Hyoid bone is a U-shaped bone located in the neck, superior to the larynx. It is unique as it does not articulate with any other bone but serves as a crucial attachment point for muscles of the tongue and the floor of the mouth.

57. Odontoid process is present with which vertebrae of vertebral column?

Atlas vertebrae
Axis vertebrae
Vertebrae prominens
Lumbar vertebrae

The odontoid process (dens) is a distinctive peg-like projection that arises from the body of the axis (second cervical vertebra). It serves as a pivot around which the atlas and skull rotate.

58. Number of anterior curves present with human vertebral column is

The human vertebral column has four natural curves. The two curves that are convex forwards (anteriorly) are the cervical curve in the neck and the lumbar curve in the lower back. These are also known as secondary curves.

59. Total number of movable vertebrae in our body are

Of the 26 bones that make up the adult vertebral column, 24 are individual, movable vertebrae: 7 cervical, 12 thoracic, and 5 lumbar vertebrae. The sacrum and coccyx are fused and largely immovable.

60. Vertebra prominens is present with

1st thoracic vertebrae
1st lumbar vertebrae
7th cervical vertebrae
1st cervical vertebrae

The seventh cervical vertebra (C7) is commonly known as the vertebra prominens because its long, undivided spinous process is particularly prominent and easily palpable at the base of the neck.

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Excretory Products & Their Elimination: MCQs

biology

class 11
class 12

chemistry

class 12

physics

miscellaneous

coding
- Mastering Clean Code: Essential Tips for Every Developer
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biology mcqs

class 11
class 12