Locomotion and Movement Test

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Locomotion and Movement Test - 41

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is multinucleated?

A
Nervous tissue

B
Striated muscle

C
Non-striated muscle

D
None of these

Solution

Multinucleate cells are those cells which have more than one nucleus per cell. Skeletal muscles or striated muscles are multinucleated cells. However, smooth muscles or non-striated muscles and cardiac muscles are mononucleated.
Thus, the correct answer is 'Striated muscle.'
Question 2
1 / -0

Sarcomere is a segment of a striated muscle fibre between two

A
Z- lines

B
M- lines

C
H - lines

D
I - lines

Solution

Fundamental repeating unit of skeletal myofibrils is sarcomere. It is the segment of a striated muscle fibre. It is the repeating unit between 2 Z lines. It is bordered between Z lines. This sarcomere gives striated appearance to the skeletal muscle.
Thus, the correct answer is 'Z- lines.'
Question 3
1 / -0

ATP binding site is located on/associated with

A
Troponin

B
Tropomyosin

C
Head part of meromyosin

D
Tail part of myosin

Solution

So, the correct answer is 'Head part of meromyosin'.

Question 4

1 / -0

Which fibres, contractile in nature are found in muscles?

White fibres

Myofibrils

Micro fibrils

Elastic fibres

Solution

Contractile fibres are those fibres which are capable in contraction of the muscles.

Fibres	Nature
White fibres (form of mature connective tissue)	Ineslastic
Myofibrils (skeletal muscle)	Contractile
Micro fibrils (surface of primary cell wall)	elastic
Elastic fibres (bundle of connective tissue)	elastic

So, the correct option is 'Myofibrils'

Question 5
1 / -0

Joints between human skull bones are

A
Saddle

B
Gliding

C
Imperfect

D
Immovable

Solution

A. Saddle joint allows movement on many directions and is present between carpals and metacarpals of the human thumb.
B. Gliding joint allows movement only in one direction and is present between tarsal and carpals.
C. Imperfect joint or Cartilaginous joint are joined together with the help of a disc of cartilage which restricts the movement and shows limited or slight movement and is present between the adjacent vertebrae of the vertebral column and in pubic symphysis.
D. The immovable joint does not allow any movement because the bones are firmly fixed together by strong collagen fibers and are present in the skull bones called as sutures.
So, the correct option is D.
Question 6
1 / -0

Which of the following does not have corresponding bones?

A
Pelvic and pectoral gridles

B
Atlas and coccyx

C
Carpals and tarsals

D
Humerus and femur

Solution

The human skeleton can be divided into two major divisions as the axial skeleton and the appendicular skeleton. The axial skeleton comprises of bones of head, neck, chest and back. The appendicular skeleton comprises of bones of upper limb and lower limb.
A. Pelvic girdle is made up of three bones called ilium, ischium and pubis while the pectoral girdle is made up of clavicle and scapula bone. These do not have the corresponding bones.
B. Atlas is the first cervical vertebrae and the coccyx is the last caudal vertebrae. They are corresponding bones.
C. Carpals are short bones that make up the wrist of hand and the tarsals are the short bones that form the ankle of foot. They corresponding bones.
D. Humerus is the bone of arms and the femur is the bone of legs. They corresponding bones.
Hence, the correct answer is 'Pelvic and pectoral girdle'
Question 7
1 / -0

Collar bone is

A
Scapula

B
Stapes

C
Coracoid

D
Clavicle

Solution

The clavicle is a long bone between the shoulder blade and the sternum and is known as the collar bone. They are called so because their presence seems to appear much like a collar.

So, the correct answer is 'clavicle'.
Question 8
1 / -0

Cardiac muscle is ________.

A
Neurogenic

B
Myogenic

C
Voluntary

D
Unbranched

Solution

Cardiac muscles are the heart muscle which is also known as myocardium. It is involuntary striated muscles- Involuntary because the action is not controlled by the conscious mind and straited because it contracts in a similar manner to the skeletal muscle.
The cardiac muscle forms the major organ of the human body that is the heart.

The myogenic heart is the one with the cardiac muscle having automaticity and contract spontaneously. The myogenic heart is capable of generating a cardiac contraction independent of neurons whereas neurogenic heart requires nerve input to contract.
Humans have a myogenic heart.

So, the correct option is B.
Question 9
1 / -0

Which joint is more flexible in males than females?

A
Public symphysis

B
Deltoid ridge

C
Deltoid tuberosity

D
Sacroiliac joint

Solution

The hip girdle is located in the lower part of the trunk.
It is made up of three bones that are upper ileum, lower ischium, and the pubis.
The acetabulum is formed by ileum, ischium, and pubis but in mammals, the pubis is replaced by the cotyloid bone.
The pubic symphysis is present in mammals. The two innominate bones and sacrum together form a sort of bowel.
This is also an adaptation for the upright posture of the human body. The female pelvis is larger and has a broader front and larger bottom opening than the male pelvis. This is an adaptation for childbirth.
So, the correct option is option A.
Question 10
1 / -0

All or none law is not applicable for?

A
Single skeletal muscle fibre

B
Single smooth muscle fibre

C
Whole skeletal muscle

D
Whole cardiac muscle

Solution

The all or none law states that the strength of the stimuli will not decide the reaction of the muscle fibre. f the stimulus is more than a certain threshold they will fire. Either there will be a full response or there will be no response at all.
As we know that the stimulus works by stimulating the action potential in the fivers. The action potential is always full and thus the response will be there if the threshold is crossed.
We now that the skeletal muscle are the ones that are in control of the conscious mind and the stimuli can affect them so this is applicable for the voluntary muscles.

So, the correct option is 'Single skeletal muscle fibre'

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Locomotion and Movement Test - 41

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Locomotion and Movement Test - 41

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SHARING IS CARING

Question 1

Nervous tissue

Striated muscle

Non-striated muscle

None of these

Solution

Question 2

Z- lines

M- lines

H - lines

I - lines

Solution

Question 3

Troponin

Tropomyosin

Head part of meromyosin

Tail part of myosin

Solution

Question 4

White fibres

Myofibrils

Micro fibrils

Elastic fibres

Solution

Question 5

Saddle

Gliding

Imperfect

Immovable

Solution

Question 6

Pelvic and pectoral gridles

Atlas and coccyx

Carpals and tarsals

Humerus and femur

Solution

Question 7

Scapula

Stapes

Coracoid

Clavicle

Solution

Question 8

Neurogenic

Myogenic

Voluntary

Unbranched

Solution

Question 9

Public symphysis

Deltoid ridge

Deltoid tuberosity

Sacroiliac joint

Solution

Question 10

Single skeletal muscle fibre

Single smooth muscle fibre

Whole skeletal muscle

Whole cardiac muscle

Solution

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