Nervous System MCQ Quiz – Part 1
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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 | 1 |
| 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
The system responsible for control and coordination of body activities is
Correct
➤ The nervous system controls and coordinates all body activities.
➤ It helps the body respond to internal and external stimuli.Incorrect
➤ The nervous system controls and coordinates all body activities.
➤ It helps the body respond to internal and external stimuli. -
Question 2 of 25
2. Question
The nervous system mainly consists of
Correct
➤ The nervous system consists of the brain, spinal cord and nerves.
➤ These structures work together to transmit signals throughout the body.Incorrect
➤ The nervous system consists of the brain, spinal cord and nerves.
➤ These structures work together to transmit signals throughout the body. -
Question 3 of 25
3. Question
The brain and spinal cord together form the
Correct
➤ Central Nervous System (CNS) includes the brain and spinal cord.
➤ It acts as the main control center of the body.Incorrect
➤ Central Nervous System (CNS) includes the brain and spinal cord.
➤ It acts as the main control center of the body. -
Question 4 of 25
4. Question
The nerves that connect the CNS to different parts of the body belong to the
Correct
➤ Peripheral Nervous System (PNS) consists of nerves outside the CNS.
➤ It connects the brain and spinal cord to other body organs.Incorrect
➤ Peripheral Nervous System (PNS) consists of nerves outside the CNS.
➤ It connects the brain and spinal cord to other body organs. -
Question 5 of 25
5. Question
Which of the following is the main function of the nervous system?
Correct
➤ The nervous system provides control and coordination of body functions.
➤ It ensures proper communication between different organs.Incorrect
➤ The nervous system provides control and coordination of body functions.
➤ It ensures proper communication between different organs. -
Question 6 of 25
6. Question
The nervous system helps the body to respond to
Correct
➤ Stimuli are changes in the internal or external environment.
➤ The nervous system detects these stimuli and produces appropriate responses.Incorrect
➤ Stimuli are changes in the internal or external environment.
➤ The nervous system detects these stimuli and produces appropriate responses. -
Question 7 of 25
7. Question
The basic structural and functional unit of the nervous system is
Correct
➤ Neuron is the basic unit of the nervous system.
➤ It is responsible for transmitting nerve impulses.Incorrect
➤ Neuron is the basic unit of the nervous system.
➤ It is responsible for transmitting nerve impulses. -
Question 8 of 25
8. Question
A nerve impulse is transmitted through
Correct
➤ Nerve impulses are transmitted through neurons (nerve cells).
➤ These electrical signals help in communication within the body.Incorrect
➤ Nerve impulses are transmitted through neurons (nerve cells).
➤ These electrical signals help in communication within the body. -
Question 9 of 25
9. Question
The nervous system is mainly responsible for
Correct
➤ The nervous system maintains coordination among body organs.
➤ It ensures proper functioning of different body systems.Incorrect
➤ The nervous system maintains coordination among body organs.
➤ It ensures proper functioning of different body systems. -
Question 10 of 25
10. Question
Which of the following organs is part of the nervous system?
Correct
➤ Brain is the main organ of the nervous system.
➤ It acts as the central control center of the body.Incorrect
➤ Brain is the main organ of the nervous system.
➤ It acts as the central control center of the body. -
Question 11 of 25
11. Question
The brain is protected by the
Correct
➤ The brain is protected by the skull (cranium).
➤ The skull forms a hard protective covering around the brain.Incorrect
➤ The brain is protected by the skull (cranium).
➤ The skull forms a hard protective covering around the brain. -
Question 12 of 25
12. Question
The fluid that surrounds and protects the brain is called
Correct
➤ Cerebrospinal fluid (CSF) surrounds the brain and spinal cord.
➤ It acts as a shock absorber and protects the brain from injury.Incorrect
➤ Cerebrospinal fluid (CSF) surrounds the brain and spinal cord.
➤ It acts as a shock absorber and protects the brain from injury. -
Question 13 of 25
13. Question
The approximate weight of the human brain is
Correct
➤ The average weight of the human brain is about 1400 grams.
➤ It is one of the most complex organs in the human body.Incorrect
➤ The average weight of the human brain is about 1400 grams.
➤ It is one of the most complex organs in the human body. -
Question 14 of 25
14. Question
The brain floats in cerebrospinal fluid which helps to
Correct
➤ The brain floats in cerebrospinal fluid (CSF).
➤ This reduces the effective weight of the brain, preventing damage.Incorrect
➤ The brain floats in cerebrospinal fluid (CSF).
➤ This reduces the effective weight of the brain, preventing damage. -
Question 15 of 25
15. Question
The three protective membranes covering the brain are called
Correct
➤ The meninges are protective membranes surrounding the brain and spinal cord.
➤ They provide support and protection to the central nervous system.Incorrect
➤ The meninges are protective membranes surrounding the brain and spinal cord.
➤ They provide support and protection to the central nervous system. -
Question 16 of 25
16. Question
Which layer of meninges is the outermost layer?
Correct
➤ Dura mater is the outermost layer of meninges.
➤ It is thick and tough, providing strong protection.Incorrect
➤ Dura mater is the outermost layer of meninges.
➤ It is thick and tough, providing strong protection. -
Question 17 of 25
17. Question
Which meninges layer lies between dura mater and pia mater?
Correct
➤ Arachnoid mater is the middle layer of meninges.
➤ It contains the cerebrospinal fluid space.Incorrect
➤ Arachnoid mater is the middle layer of meninges.
➤ It contains the cerebrospinal fluid space. -
Question 18 of 25
18. Question
Which meninges layer is the innermost layer attached to the brain surface?
Correct
➤ Pia mater is the innermost meninges layer.
➤ It is thin and closely attached to the brain surface.Incorrect
➤ Pia mater is the innermost meninges layer.
➤ It is thin and closely attached to the brain surface. -
Question 19 of 25
19. Question
The human brain is mainly divided into how many major parts?
Correct
➤ The human brain is divided into three major parts.
➤ These are forebrain, midbrain and hindbrain.Incorrect
➤ The human brain is divided into three major parts.
➤ These are forebrain, midbrain and hindbrain. -
Question 20 of 25
20. Question
The largest part of the human brain is
Correct
➤ Cerebrum is the largest part of the brain.
➤ It controls thinking, memory, learning and voluntary movements.Incorrect
➤ Cerebrum is the largest part of the brain.
➤ It controls thinking, memory, learning and voluntary movements. -
Question 21 of 25
21. Question
The forebrain mainly controls
Correct
➤ The forebrain controls higher mental activities such as thinking, memory and consciousness.
➤ It also regulates voluntary actions.Incorrect
➤ The forebrain controls higher mental activities such as thinking, memory and consciousness.
➤ It also regulates voluntary actions. -
Question 22 of 25
22. Question
The forebrain consists of which of the following parts?
Correct
➤ The forebrain is composed of cerebrum, thalamus and hypothalamus.
➤ These structures play key roles in sensory processing and body regulation.Incorrect
➤ The forebrain is composed of cerebrum, thalamus and hypothalamus.
➤ These structures play key roles in sensory processing and body regulation. -
Question 23 of 25
23. Question
The left and right hemispheres of the cerebrum are connected by
Correct
➤ The corpus callosum is a thick band of nerve fibers.
➤ It connects the left and right cerebral hemispheres.Incorrect
➤ The corpus callosum is a thick band of nerve fibers.
➤ It connects the left and right cerebral hemispheres. -
Question 24 of 25
24. Question
The brain consumes approximately what percentage of the body’s oxygen?
Correct
➤ The brain consumes about 20% of the body’s oxygen supply.
➤ This high demand is due to continuous neural activity.Incorrect
➤ The brain consumes about 20% of the body’s oxygen supply.
➤ This high demand is due to continuous neural activity. -
Question 25 of 25
25. Question
The brain uses approximately what percentage of the body’s glucose?
Correct
➤ The brain consumes about 20–25% of the body’s glucose.
➤ Glucose is the primary energy source for brain cells.Incorrect
➤ The brain consumes about 20–25% of the body’s glucose.
➤ Glucose is the primary energy source for brain cells.