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.
11
What is the best explanation for muscle cramps after a 400 m race?
RRB Group-D
29/08/2022 / Shift-II
2022
✓ Answer:DIn a lack of oxygen, pyruvate is converted to lactic acid.
Source key: D. During anaerobic metabolism in muscle, pyruvate is converted to lactate. Attributing exercise cramps solely to this process is an oversimplification.
12
Two bones are connected by _____.
RRB NTPC (Stage-I)
16/04/2016 / Shift-I
2016
✓ Answer:BLigaments
Ligaments are connective tissue bands that join bones at joints.
13
Which group consists entirely of organs or structures containing smooth muscles?
RRB Group-D
02/09/2022 / Shift-I
2022
✓ Answer:AIris, bronchi of the lungs and ureters
Smooth muscle occurs in the iris, bronchi and ureters. Bone is not smooth muscle, and the heart contains cardiac muscle.
Ligaments connect bones to other bones and support joints.
15
Which of the following describes striated muscle cells?
RRB ALP (Stage-I)
25/11/2024 / Shift-I
2024
✓ Answer:DCylindrical, unbranched and multinucleate
Skeletal striated muscle fibres are cylindrical, unbranched and multinucleate.
16
Which statement is NOT correct?
RRB NTPC (Stage-I)
15/03/2021 / Shift-II
2021
✓ Answer:DThe human vertebral column has 33 vertebrae.
Source key: D. This is ambiguous: the vertebral column develops from 33 vertebrae, but fusion of sacral and coccygeal vertebrae gives 26 bones in the adult. The statement is not unconditionally false.
17
A ligament connects two bones. What connects a muscle to a bone?
Muscle cells contract and relax to produce movement.
20
A tendon is made up of which of the following?
RRB ALP & Technician
31/08/2018 / Shift-II
2018
✓ Answer:ACollagen fibres only
Source key: A. Tendons consist predominantly of type I collagen fibres. The word 'only' is a simplification because tendons also contain cells and other matrix components.
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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