Tag: skeleton - movement and locomotion

Questions Related to skeleton - movement and locomotion

Which of the following is the property of cardiac muscle?

zoology skeleton - movement and locomotion types of muscles muscles muscles and their structure

  1. It is involuntary muscles.

  2. It is resistant to fatigue.

  3. It is striated muscle.

  4. All of the above

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Correct Option: D
Explanation:

  • Cardiac muscle is specialized tissue that is found only in the heart.
  •  It has characteristics similar to both smooth and skeletal muscle tissue, as well as specialized properties, that allow it to function with fast but sustained contractions, rapid conduction and coordinated movement. Hence,  the property of cardiac muscle is involuntary muscles, resistant to fatigue and striated muscle.
So, the correct answer is 'all the above'.

Cardiac muscles are resistant to fatigue.

zoology skeleton - movement and locomotion types of muscles muscles muscles and their structure

  1. True

  2. False

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Correct Option: A
Explanation:
Normal muscles like the skeletal muscles get fatigued (strenuous activities like exercise, sports etc.) due to the formation of lactic acid as a result of anaerobic glycolysis. But cardiac muscles do not form lactic acid due to the presence of rich capillary network which provides enough oxygen to the muscles. Anaerobic processes never occur in cardiac muscles, hence lactic acid is never formed enabling heart muscles to perform their function without fatigue.
Therefore, the statement that cardiac muscles are fatigue resistant is true.

Gastrocnemius muscles are found in

zoology skeleton - movement and locomotion types of muscles muscles muscles and their structure

  1. Fore arm

  2. Chest

  3. Thigh

  4. Shank

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Correct Option: D
Explanation:
  • The two major types of muscles that make up the calf (back portion of the lower leg) are gastrocnemius and soleus muscle.
  • Along with the soleus muscle, the gastrocnemius forms half of the calf muscle. Its function is plantar flexing the foot at the ankle joint and flexing the leg at the knee joint.
  • Hence gastrocnemius muscles are found in shank(a person's leg, especially the part from the knee to the ankle).
  • So, the correct answer is 'Shank'.

The cartilage which is present in nasal septum is aIso found in :-

biology skeleton - movement and locomotion locomotion in animals bones and movements muscle contraction

  1. Pubic symphysis

  2. Tip of nose

  3. Ear pinna

  4. Sternal part of ribs

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Correct Option: A

The joint between the carpal bones and tarsal bones is

biology skeleton - movement and locomotion locomotion in animals bones and movements muscle contraction

  1. Gliding joint

  2. Ball and socket joint

  3. Hinge joint

  4. Saddle joint

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Correct Option: A
Explanation:

A gliding joint is the simplest of the synovial joints. Gliding joints are found between the carpal bones and between the tarsal bones.

In man the axial skeleton is made up of

biology skeleton, joints and muscles skeleton our skeletal system and the skin skeleton - movement and locomotion

  1. 80 bones

  2. 100 bones

  3. 103 bones

  4. 106 bones

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Correct Option: A
Explanation:

It forms the main axis. It consists of skull - 22 bones vertebral column - 33 vertebrae, sternum - 1 and ribs - 24.

Read the following matches 
(i)   Glenoid cavity            - Scapula
(ii)  Bicipital tuberosity     - Humerus
(iii) Styloid process           - Ulna
Which of these is correct?

biology skeleton, joints and muscles skeleton our skeletal system and the skin skeleton - movement and locomotion

  1. (i) and (ii)

  2. (i) & (iii)

  3. (i) and (iii)

  4. All are correct

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Correct Option: B
Explanation:

A- The glenoid cavity or glenoid fossa of scapula is a part of the shoulder. It is a shallow, pyriform articular surface, which is located on the lateral angle of the scapula.

B- The rough eminence which is on the anterior inner aspect of the neck of the radius and into which the tendon of the biceps is inserted.
C- The styloid process of the ulna is found at distal end of the forearm, and projects from the medial and back part of the bone.

So, the correct option is 'Option B'. 

Which bones are present in both hands and foot? Name the only movable bone in the skull of man.

biology skeleton, joints and muscles skeleton our skeletal system and the skin skeleton - movement and locomotion

  1. Tibia - Maxilla

  2. Radius - Lacrimal

  3. Phalanges - Mandible

  4. Phalanges - Maxilla

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Correct Option: C
Explanation:
  • The phalanges are digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges.
  •  Hence, Phalanges are present in both hands and foot.
  • The mandible is the largest, strongest and lowest bone in the human face. It forms the lower jaw and holds the lower teeth in place. The mandible is the only movable bone of the skull, not counting the ossicles of the middle ear.
  • Hence, Mandible is the only movable bone in the skull of the man.
  • So, the correct answer is 'Phalanges - Mandible'.

Which of the following is not fully formed in birds?

biology skeleton, joints and muscles skeleton our skeletal system and the skin skeleton - movement and locomotion

  1. Pectoral girdle

  2. Pelvic girdle

  3. Hind limb

  4. Fore limb

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Correct Option: D
Explanation:

The main characteristic that is associated with birds is their ability to fly. The entire forelimb has been modified to become a wing. The forelimb is not required to support weight but to restrain prey or for locomotion. 

Number of bone is each upper limb is?

biology skeleton, joints and muscles skeleton our skeletal system and the skin skeleton - movement and locomotion

  1. $1, 1, 1$

  2. $8, 5, 14$

  3. $2, 2, 2, 16, 10, 28$

  4. $1, 1, 1, 8, 5, 14$

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Correct Option: A