Nervous System MCQ Quiz – Part 3
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This Nervous System MCQ Quiz helps aspirants revise important concepts related to the structure and functions of the human nervous system, which are frequently asked in competitive exams. Regular practice of nervous system MCQs improves conceptual understanding and helps candidates answer biology questions quickly and accurately.
GK Series – Biology – Nervous System MCQ Quiz |
|
| Subject | Biology |
| Chapter | Nervous System |
| Part | 3 |
| Questions | 25 |
Who Should Attempt This Nervous System MCQ Quiz?
This Nervous System MCQ Quiz is useful for aspirants preparing for SSC, Railways, Banking, Defence, and other government job exams, where basic biology questions are commonly asked in the General Knowledge section.
Topics Covered in This Nervous System MCQ Quiz
This quiz includes MCQs based on important topics such as neurons, brain, spinal cord, central nervous system (CNS), peripheral nervous system (PNS), reflex actions, and the functions of different parts of the nervous system, along with other fundamental concepts related to the human nervous system.
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Question 1 of 25
1. Question
How many pairs of lumbar nerves are present in humans?
Correct
➤ The spinal cord contains 5 pairs of lumbar nerves.
➤ These nerves supply the lower back and legs.Incorrect
➤ The spinal cord contains 5 pairs of lumbar nerves.
➤ These nerves supply the lower back and legs. -
Question 2 of 25
2. Question
The bundle of nerves at the lower end of the spinal cord is called
Correct
➤ Cauda equina is a bundle of spinal nerves at the base of the spinal cord.
➤ It provides sensation and motor control to the lower body.Incorrect
➤ Cauda equina is a bundle of spinal nerves at the base of the spinal cord.
➤ It provides sensation and motor control to the lower body. -
Question 3 of 25
3. Question
The peripheral nervous system (PNS) consists of
Correct
➤ The Peripheral Nervous System (PNS) includes all nerves outside the brain and spinal cord.
➤ It connects the central nervous system with other body organs.Incorrect
➤ The Peripheral Nervous System (PNS) includes all nerves outside the brain and spinal cord.
➤ It connects the central nervous system with other body organs. -
Question 4 of 25
4. Question
The main function of the peripheral nervous system is to
Correct
➤ The PNS connects the brain and spinal cord to body organs.
➤ It helps transmit signals between the CNS and body tissues.Incorrect
➤ The PNS connects the brain and spinal cord to body organs.
➤ It helps transmit signals between the CNS and body tissues. -
Question 5 of 25
5. Question
The peripheral nervous system is mainly divided into
Correct
➤ The peripheral nervous system has two main divisions.
➤ These are somatic nervous system and autonomic nervous system.Incorrect
➤ The peripheral nervous system has two main divisions.
➤ These are somatic nervous system and autonomic nervous system. -
Question 6 of 25
6. Question
The somatic nervous system controls
Correct
➤ The somatic nervous system controls voluntary movements.
➤ It regulates skeletal muscle activity.Incorrect
➤ The somatic nervous system controls voluntary movements.
➤ It regulates skeletal muscle activity. -
Question 7 of 25
7. Question
Which muscles are mainly controlled by the somatic nervous system?
Correct
➤ The somatic nervous system controls skeletal muscles.
➤ These muscles are responsible for voluntary body movements.Incorrect
➤ The somatic nervous system controls skeletal muscles.
➤ These muscles are responsible for voluntary body movements. -
Question 8 of 25
8. Question
Sensory nerves carry information from
Correct
➤ Sensory nerves transmit information from body organs to the CNS.
➤ They are also called afferent nerves.Incorrect
➤ Sensory nerves transmit information from body organs to the CNS.
➤ They are also called afferent nerves. -
Question 9 of 25
9. Question
Motor nerves carry information from
Correct
➤ Motor nerves transmit signals from the CNS to body organs.
➤ They are also called efferent nerves.Incorrect
➤ Motor nerves transmit signals from the CNS to body organs.
➤ They are also called efferent nerves. -
Question 10 of 25
10. Question
Afferent nerves are also known as
Correct
➤ Afferent nerves are sensory nerves.
➤ They carry signals from receptors to the central nervous system.Incorrect
➤ Afferent nerves are sensory nerves.
➤ They carry signals from receptors to the central nervous system. -
Question 11 of 25
11. Question
Efferent nerves are also known as
Correct
➤ Efferent nerves are motor nerves.
➤ They carry signals from CNS to muscles and glands.Incorrect
➤ Efferent nerves are motor nerves.
➤ They carry signals from CNS to muscles and glands. -
Question 12 of 25
12. Question
Information from the skin, muscles and joints is received by the
Correct
➤ The somatic nervous system receives sensory information from skin, muscles and joints.
➤ It helps coordinate voluntary movements.Incorrect
➤ The somatic nervous system receives sensory information from skin, muscles and joints.
➤ It helps coordinate voluntary movements. -
Question 13 of 25
13. Question
The autonomic nervous system mainly controls
Correct
➤ The autonomic nervous system controls involuntary body processes.
➤ These include heart rate, digestion, respiration and blood pressure.Incorrect
➤ The autonomic nervous system controls involuntary body processes.
➤ These include heart rate, digestion, respiration and blood pressure. -
Question 14 of 25
14. Question
The autonomic nervous system is a part of the
Correct
➤ The autonomic nervous system is a division of the Peripheral Nervous System (PNS).
➤ It regulates automatic body functions.Incorrect
➤ The autonomic nervous system is a division of the Peripheral Nervous System (PNS).
➤ It regulates automatic body functions. -
Question 15 of 25
15. Question
Which division of the autonomic nervous system prepares the body for emergencies?
Correct
➤ The sympathetic nervous system controls the “fight or flight” response.
➤ It prepares the body to deal with stress or danger.Incorrect
➤ The sympathetic nervous system controls the “fight or flight” response.
➤ It prepares the body to deal with stress or danger. -
Question 16 of 25
16. Question
The “rest and digest” response is controlled by the
Correct
➤ The parasympathetic nervous system controls the “rest and digest” response.
➤ It helps the body return to normal after stress.Incorrect
➤ The parasympathetic nervous system controls the “rest and digest” response.
➤ It helps the body return to normal after stress. -
Question 17 of 25
17. Question
Which nerve connects the brain to many organs including the stomach and heart?
Correct
➤ The vagus nerve is the longest nerve in the human body.
➤ It connects the brain to several internal organs including the gut.Incorrect
➤ The vagus nerve is the longest nerve in the human body.
➤ It connects the brain to several internal organs including the gut. -
Question 18 of 25
18. Question
The spinal cord is a part of the
Correct
➤ The spinal cord is part of the Central Nervous System (CNS).
➤ It works together with the brain to control body activities.Incorrect
➤ The spinal cord is part of the Central Nervous System (CNS).
➤ It works together with the brain to control body activities. -
Question 19 of 25
19. Question
The spinal cord is located inside the
Correct
➤ The spinal cord is enclosed within the vertebral column.
➤ This structure protects the spinal cord from injury.Incorrect
➤ The spinal cord is enclosed within the vertebral column.
➤ This structure protects the spinal cord from injury. -
Question 20 of 25
20. Question
The main function of the spinal cord is to
Correct
➤ The spinal cord transmits nerve impulses between the brain and the body.
➤ It acts as an important communication pathway.Incorrect
➤ The spinal cord transmits nerve impulses between the brain and the body.
➤ It acts as an important communication pathway. -
Question 21 of 25
21. Question
Which of the following functions is performed by the spinal cord?
Correct
➤ The spinal cord coordinates reflex actions.
➤ Reflexes are quick automatic responses to stimuli.Incorrect
➤ The spinal cord coordinates reflex actions.
➤ Reflexes are quick automatic responses to stimuli. -
Question 22 of 25
22. Question
A reflex action is
Correct
➤ Reflex actions are rapid automatic responses to external stimuli.
➤ They help protect the body from sudden harm.Incorrect
➤ Reflex actions are rapid automatic responses to external stimuli.
➤ They help protect the body from sudden harm. -
Question 23 of 25
23. Question
The total number of spinal nerve pairs in humans is
Correct
➤ Humans have 31 pairs of spinal nerves.
➤ These nerves connect the spinal cord with different body parts.Incorrect
➤ Humans have 31 pairs of spinal nerves.
➤ These nerves connect the spinal cord with different body parts. -
Question 24 of 25
24. Question
How many pairs of cervical nerves are present in humans?
Correct
➤ There are 8 pairs of cervical nerves in the spinal cord.
➤ These nerves mainly supply the neck and upper limbs.Incorrect
➤ There are 8 pairs of cervical nerves in the spinal cord.
➤ These nerves mainly supply the neck and upper limbs. -
Question 25 of 25
25. Question
How many pairs of thoracic nerves are present in humans?
Correct
➤ Humans have 12 pairs of thoracic spinal nerves.
➤ They supply the chest and abdominal region.Incorrect
➤ Humans have 12 pairs of thoracic spinal nerves.
➤ They supply the chest and abdominal region.