Practice Skeleton System RRB PYQ questions asked in various Railway Recruitment Board examinations. This page provides important previous year questions from the Skeleton System chapter along with correct answers and clear explanations to help you prepare effectively for RRB Biology.
The Skeleton System is an important Biology topic that covers the structure and functions of the human skeleton. It includes important concepts such as bones, joints, cartilage, the axial skeleton, the appendicular skeleton, and the functions of the skeletal system. Understanding these concepts can help you prepare for Biology questions asked in Railway examinations.
Which part of a muscle shortens to create contraction?
RRB JE
24/05/2019 / Shift-I
2019
✓ Answer:DActin
Source key: D, retained from the PDF. This is incorrect: actin and myosin filaments do not shorten. They slide past each other, shortening the sarcomere.
53
Which is the smallest bone in the human body?
RRB NTPC (Stage-I)
08/03/2021 / Shift-I
2021
✓ Answer:DStapes
The stapes, an auditory ossicle in the middle ear, is the smallest human bone.
54
The matrix of bone contains _____.
RRB Group-D
26/09/2018 / Shift-II
2018
✓ Answer:DCalcium and phosphorus
Calcium and phosphorus are major mineral constituents of bone matrix.
55
Which is the smallest bone in the human body?
RRB NTPC (Stage-I)
28/03/2016 / Shift-III
2016
✓ Answer:CStapes
The stapes is the smallest bone and is located in the middle ear.
56
The matrix of bone contains _____.
RRB Group-D
07/12/2018 / Shift-I
2018
✓ Answer:ACalcium and phosphorus
Bone matrix is hardened by mineral salts, principally calcium phosphate.
57
Where is the longest bone in the human body located?
RRB JE
29/05/2019 / Shift-III
2019
✓ Answer:DThigh
The femur is located in the thigh and is the longest human bone.
58
The force generated by muscles is called ____ force.
RRB Group-D
30/10/2018 / Shift-II
2018
✓ Answer:CMuscular
Force produced by the contraction of muscles is called muscular force.
59
Which is the longest bone in the human body?
RRB JE
26/05/2019 / Shift-I
2019
✓ Answer:DFemur
The femur, or thigh bone, is the longest human bone.
60
Voluntary muscles are found in which of the following?
RRB Group-D
28/09/2018 / Shift-I
2018
✓ Answer:BHand
Skeletal muscles associated with hand movement are under voluntary control.
These RRB Skeleton System PYQ questions help you revise important facts about the human skeleton, the number and types of bones, different joints, and their roles in supporting and protecting the body. Each question includes the correct answer and a clear explanation for effective revision and practice.
Whether you are preparing for RRB NTPC Skeleton System PYQ, RRB Group D Skeleton System PYQ, RRB JE Skeleton System PYQ, RRB ALP Skeleton System PYQ, or RRB Technician Skeleton System PYQ, practice these previous year questions regularly to strengthen your Biology preparation.
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