Biology - Mock Test 90

Question 891

The bone-forming cells that secrete the organic matrix of bone and promote the deposition of calcium salts into the matrix are ?

A) Osteoclasts B) Osteoblasts C) Osteocyte D) Chondroblasts

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Question 892

The bones that attach the arm to the axial skeleton (composed of the clavicle and scapula) is called ?

A) Cranium B) Pelvic girdle C) Pectoral girdle D) Scapula

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Question 893

The clavicle articulates with _________ of scapula?

A) Acromion process B) Glenoid cavity C) Acetabulum cavity D) Ball and socket joint

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Question 894

The elements associated with muscle contraction are ?

A) Mg and Ca B) Mg and Cl C) Na and Ca D) Ca and K

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Question 895

The joint between the atlas and axis is ?

A) Ball and socket B) Saddle C) Pivot D) Angular

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Question 896

What joint is found between the ribs and sternum?

A) Cartilaginous B) Hinge C) Angular D) Fibrous

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Question 897

The Junction between a nerve cell and the motor unit is called ?

A) Creatine phosphate B) Synapse C) Neuromuscular junction D) Sarcomeres

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Question 898

The number of 'floating ribs’ in human body is ?

A) 2 pairs B) 3 pairs C) 5 pairs D) 6 pairs

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Question 899

There are ______ of ribs in human body?

A) 20 pairs B) 10 pairs C) 12 pairs D) 8 pairs

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Question 900

The segment of a myofibril between two Z-lines is called ?

A) Sarcomere B) Sarcoplasm C) Sarcolemma D) Sarconema

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