Practice Nervous System RRB PYQ questions asked in various Railway Recruitment Board examinations. This page provides important previous year questions from the Nervous System chapter along with correct answers and clear explanations to help you prepare effectively for RRB Biology.
The Nervous System is an important Biology topic covering the brain, spinal cord, nerves, neurons and coordination of body activities. Questions can focus on the structure and functions of different parts of the nervous system and how nerve impulses help control and coordinate various activities of the body.
41
Approximately how much does the adult human brain weigh in grams?
RRB Group-D
22/10/2018 (Shift-II)
2018
✓ Answer:C1200-1400
An adult human brain typically weighs approximately 1200-1400 grams, with individual variation.
42
Which is the basic structural and functional unit of the nervous system?
RRB NTPC (Stage-I)
02/03/2021 (Shift-I)
2021
✓ Answer:CNeuron
The neuron is the basic signalling unit of the nervous system.
43
Which of the following is NOT part of the human eye?
RRB NTPC (Stage-I)
21/01/2021 (Shift-I)
2021
✓ Answer:DCochlea
The cochlea is a structure of the inner ear involved in hearing.
44
The cerebellum is related to:
RRB Group-D
26/09/2018 (Shift-II)
2018
✓ Answer:DRotation and control of muscles
The cerebellum coordinates muscular movements and helps maintain balance and posture.
45
Dendrites and synapses are associated with:
RRB JE
14/12/2014
2014
✓ Answer:DNerve cell
Dendrites receive neuronal signals, and synapses are junctions through which neurons communicate.
46
The least distance of distinct vision for a normal eye is:
RRB NTPC (Stage-I)
30/03/2016 (Shift-I)
2016
✓ Answer:C25 cm
The conventional least distance of distinct vision for a normal young adult eye is approximately 25 cm.
47
_____ helps the eye adjust the focal length of the lens.
RRB Group-D
27/09/2018 (Shift-I)
2018
✓ Answer:DCiliary body
The ciliary muscle within the ciliary body changes tension on the lens attachments, altering lens curvature for accommodation.
48
Which of the following is not a voluntary action?
RRB ALP & Technician
13/08/2018 (Shift-III)
2018
✓ Answer:BBeating of the heart
The heartbeat occurs automatically and is not normally under conscious control.
49
When a person can see only nearby objects clearly, the condition is called:
RRB NTPC (Stage-I)
31/03/2016 (Shift-II)
2016
✓ Answer:CMyopia
Myopia causes distant objects to appear blurred because their images focus in front of the retina.
50
_____ tissue contains neurons that receive and transmit impulses.
RRB Group-D
15/11/2018 (Shift-I)
2018
✓ Answer:CNervous
Nervous tissue contains neurons specialised for signalling, along with supporting glial cells.
Showing 41 – 50 of 101 MCQ Questions | Page 5 of 11
These RRB Nervous System PYQ questions are useful for understanding the pattern and difficulty level of Biology questions asked in Railway exams. Regular practice with previous year questions can help improve your conceptual understanding and accuracy.
Whether you are preparing for RRB NTPC Nervous System PYQ, RRB Group D Nervous System PYQ, RRB JE Nervous System PYQ, RRB ALP Nervous System PYQ, or RRB Technician Nervous System PYQ, practice these previous year questions regularly to strengthen your Biology preparation.
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