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Test: Central Nervous System In Humans - Class 10 MCQ


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10 Questions MCQ Test Science Class 10 - Test: Central Nervous System In Humans

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Test: Central Nervous System In Humans - Question 1

Which region of the brain is associated with hunger and the integration of sensory impulses from various parts of the body?

Detailed Solution for Test: Central Nervous System In Humans - Question 1
The forebrain is the region of the brain associated with hunger and the integration of sensory impulses from various parts of the body. It is considered the most complex and specialized part of the brain, housing the cerebrum, which plays a crucial role in thinking, voluntary actions, memory storage, and sensory integration.
Test: Central Nervous System In Humans - Question 2

What involuntary actions are controlled by the Medulla in the hindbrain?

Detailed Solution for Test: Central Nervous System In Humans - Question 2
The Medulla, located in the hindbrain, controls various involuntary actions, including the regulation of respiration. It plays a vital role in maintaining essential functions such as breathing, heart rate, blood pressure, and reflex activities like coughing and swallowing. Damage to the Medulla can have serious implications for basic life-sustaining processes.
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Test: Central Nervous System In Humans - Question 3

How is the brain protected within the human body?

Detailed Solution for Test: Central Nervous System In Humans - Question 3
The brain is protected within the cranium, also known as the skull or brain box, by a fluid-filled balloon that acts as a shock absorber. This fluid-filled balloon provides a cushioning effect, helping to protect the delicate brain tissue from damage due to impacts or sudden movements.
Test: Central Nervous System In Humans - Question 4
What encases and protects the spinal cord in the human body?
Detailed Solution for Test: Central Nervous System In Humans - Question 4
The spinal cord is protected by being enclosed within the vertebral column, which is made up of a series of individual vertebrae that stack on top of each other to form the backbone. This bony structure provides a protective casing around the spinal cord, shielding it from potential injuries and ensuring the proper functioning of the central nervous system.
Test: Central Nervous System In Humans - Question 5
What function does the fluid-filled balloon inside the cranium serve in protecting the brain?
Detailed Solution for Test: Central Nervous System In Humans - Question 5
The fluid-filled balloon inside the cranium acts as a shock absorber for the brain, absorbing impact forces and reducing the risk of damage to the brain tissue during sudden movements or external impacts. This protective mechanism helps safeguard the brain from injuries that could impair its vital functions.
Test: Central Nervous System In Humans - Question 6
How does the protective role of the vertebral column benefit the spinal cord?
Detailed Solution for Test: Central Nervous System In Humans - Question 6
The protective role of the vertebral column benefits the spinal cord by providing structural support and flexibility to the backbone. This flexibility allows for various movements of the body and protects the spinal cord from excessive stress or strain that could otherwise lead to injuries or compression of the nerve tissue.
Test: Central Nervous System In Humans - Question 7
How are sensory impulses integrated within the central nervous system in a reflex arc?
Detailed Solution for Test: Central Nervous System In Humans - Question 7
Sensory impulses are integrated within the central nervous system during a reflex arc through processing and analysis. This crucial step involves the central nervous system interpreting the incoming sensory information, determining the appropriate response, and subsequently transmitting motor information to the effector for action.
Test: Central Nervous System In Humans - Question 8
What role does the effector play in the reflex arc?
Detailed Solution for Test: Central Nervous System In Humans - Question 8
The effector in a reflex arc is responsible for producing the desired response to a given stimulus. Once the sensory information is processed by the central nervous system, the effector carries out the necessary action, such as muscle contraction or gland secretion, in response to the received stimuli.
Test: Central Nervous System In Humans - Question 9
What is the primary function of the Central Nervous System (CNS)?
Detailed Solution for Test: Central Nervous System In Humans - Question 9
The primary function of the Central Nervous System (CNS) is to receive data from the body and send instructions to specific organs. This vital system, consisting of the brain and spinal cord, plays a crucial role in processing and responding to sensory information from the body.
Test: Central Nervous System In Humans - Question 10
Which part of the brain controls posture, balance, and the precision of voluntary actions?
Detailed Solution for Test: Central Nervous System In Humans - Question 10
The cerebellum is the part of the brain responsible for controlling posture, balance, and the precision of voluntary actions. It plays a key role in coordinating movements, ensuring smooth and accurate motor functions. Damage to the cerebellum can result in issues with balance and coordination.
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