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.
41
Which of the following is not part of the axial skeleton?
RRB NTPC (Stage-I)
03/04/2016 / Shift-III
2016
✓ Answer:CScapula
Source key: C. The scapula belongs to the appendicular skeleton. Option B is incorrectly worded: the vertebral column, not the spinal cord, is part of the axial skeleton.
42
Which of the following connects bone to bone?
RRB Group-D
22/09/2018 / Shift-I
2018
✓ Answer:ALigaments
Ligaments connect bones to one another.
43
The spine is also called _____.
RRB JE
29/05/2019 / Shift-I
2019
✓ Answer:CSpinal cord
Source key: C, retained from the PDF. This is anatomically incorrect: the spine is the vertebral column, whereas the spinal cord is nervous tissue enclosed by it. No listed option is correct.
44
Which three middle-ear bones amplify sound vibrations?
RRB Group-D
22/09/2018 / Shift-I
2018
✓ Answer:CHammer, anvil and stirrup
The middle-ear ossicles are the malleus (hammer), incus (anvil) and stapes (stirrup).
45
Which fluid lubricates movable joints?
RRB NTPC (Stage-I)
22/02/2021 / Shift-I
2021
✓ Answer:ASynovial fluid
Synovial fluid lubricates synovial joints and reduces friction between articular surfaces.
46
Which connective tissue allows the external ear to be folded?
RRB Group-D
20/09/2018 / Shift-II
2018
✓ Answer:CCartilage
Elastic cartilage gives the external ear flexibility while maintaining its shape.
47
Which connective tissue joins bone to bone?
RRB Group-D
22/09/2018 / Shift-I
2018
✓ Answer:ALigament
Ligaments join bones to one another.
48
Involuntary muscles are found in which of the following?
RRB NTPC (Stage-I)
31/03/2016 / Shift-III
2016
✓ Answer:CHeart
Cardiac muscle in the heart contracts involuntarily.
49
Which bones are present in the middle ear?
RRB JE
27/05/2019 / Shift-II
2019
✓ Answer:BHammer, anvil and stirrup
The middle ear contains three auditory ossicles: hammer, anvil and stirrup.
50
Which of the following is not a type of joint?
RRB NTPC (Stage-I)
19/04/2016 / Shift-III
2016
✓ Answer:CMacro
Ball-and-socket, gliding and saddle are types of joints. Macro is not a joint type.
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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