Everyday Science · Body Systems (Human Biology) · page 9 of 16

Skeletal & Muscular Systems MCQs with Answers

Includes 20 past paper MCQs (marked).

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Skeletal & Muscular Systems MCQs (81–90)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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81.
How many bones are present in the human wrist?
Correct Answer: D. Eight bones
One-liner
The human wrist contains eight bones, known as the carpal bones.
82.
During muscular contraction, if there is no change in the size of muscle, this contraction is said to be ?
Correct Answer: B. Isometric
One-liner
When a muscle contracts without changing its length, it is called an isometric contraction.
83.
Past Paper MCQ
Muscle fatigue is caused by accumulation of which substance in muscles?
Correct Answer: C. Lactic acid
One-liner
Muscle fatigue is caused by the accumulation of lactic acid in muscles.
84.
We have _ bones in our one foot and _ bones in our one hand.
Correct Answer: D. 26, 27
One-liner
We have 26 bones in one foot and 27 bones in one hand.
85.
The function of the is to support and protect the internal organs of the human body.
Correct Answer: C. Skeleton
One-liner
The skeleton provides structural support and protects the internal organs of the human body.
86.
Which of the following is the part of a pectoral girdle?
Correct Answer: B. Glenoid cavity
One-liner
The glenoid cavity is a part of the pectoral girdle, serving as the socket where the head of the humerus articulates with the scapula.
87.
What is the muscular ability called that allows a person to work for a longer period without getting tired?
Correct Answer: C. Endurance
One-liner
The muscular ability that allows a person to work for a longer period without getting tired is called Endurance.
88.
Shoulder bone is called?
Correct Answer: D. Both A and B
One-liner
The shoulder bones are called the clavicle (collarbone) and scapula (shoulder blade) — so the correct answer is Both A and B.
89.
The delicate lungs are protected by a cage of bones. This cage is called the?
Correct Answer: D. Ribcage
One-liner
The bony cage that protects the delicate lungs is called the ribcage.
90.
The lever kind of human arm is?
Correct Answer: C. Third class lever
One-liner
The human arm acts as a third class lever where the effort (biceps muscle) is applied between the fulcrum (elbow joint) and the load (object in hand).

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Skeletal & Muscular Systems MCQs with Answers

Skeletal & Muscular Systems MCQs (81–90)

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