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.
21
Muscles in our arms and legs that we can move or stop at will are called ____ muscles.
Voluntary muscles are controlled consciously and move the limbs.
22
Which acid causes pain in muscles?
RRB JE
14/12/2014
2014
✓ Answer:ALactic acid
Source key: A. The source associates lactic acid with muscle pain. Lactate is not a general explanation for muscle pain or delayed-onset muscle soreness.
23
Which of the following contains special proteins and contracts and relaxes to produce movement?
Muscles contain contractile proteins, especially actin and myosin, that produce movement.
24
Muscle fatigue is associated with the accumulation of _____.
RRB JE
02/06/2019 / Shift-I
2019
✓ Answer:ALactic acid
Source key: A. This is the traditional simplified answer. Muscle fatigue involves several mechanisms and is not explained solely by lactate accumulation.
25
The matrix of bone contains calcium and phosphorus. The matrix of cartilage contains _____.
Source key: C, retained from the PDF. Anatomically, vertebrae form the vertebral column, which protects the spinal cord. They are not part of the spinal cord, so none of the listed options is correct.
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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