Consider the following statements: 1. The cerebral cortex contains only motor areas. 2. Association areas are responsible for intersensory associations, memory and communication. 3. Sensory areas are present in the cortex. Which of the statements given above are correct?

Correct Option The correct option is 2 and 3 only. Explanation The cerebral cortex is the outer layer of the cerebral hemispheres, characterized by a greyish appearance due to the concentration of neuron cell bodies. It is the center for high-level neural processing and is functionally categorized into specific regions based on the activities they control. Statement-wise Analysis - Statement 1 is Incorrect: The cerebral cortex is not limited to motor areas. It contains three distinct functional regions: motor areas, sensory areas, and association areas. - Statement 2 is Correct: Association areas are large regions within the cerebral cortex that are neither clearly sensory nor motor in function. These areas are responsible for complex cognitive functions, including intersensory associations, memory, and communication. - Statement 3 is Correct: Sensory areas are present in the cerebral cortex. These regions are dedicated to receiving and processing sensory information from various parts of the body (e.g., the somatosensory cortex processes touch and pain). Key Takeaway: The cerebral cortex is functionally divided into three types of areas: motor areas (controlling voluntary movement), sensory areas (processing sensory input), and association areas (managing complex functions like memory and communication).

NCERT Class 11 Science — Chapter 8: Neural Control and Coordination

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Consider the following statements:

The cerebral cortex contains only motor areas.
Association areas are responsible for intersensory associations, memory and communication.
Sensory areas are present in the cortex.

Which of the statements given above are correct?

Official previous-year question

Verified 1 Aug 2026.

Options

A2 only
B1 and 2 only
C1, 2 and 3
D2 and 3 only

Did you get this right?

Solution

Correct Option

The correct option is 2 and 3 only.

Explanation

The cerebral cortex is the outer layer of the cerebral hemispheres, characterized by a greyish appearance due to the concentration of neuron cell bodies. It is the center for high-level neural processing and is functionally categorized into specific regions based on the activities they control.

Statement-wise Analysis

Statement 1 is Incorrect: The cerebral cortex is not limited to motor areas. It contains three distinct functional regions: motor areas, sensory areas, and association areas.
Statement 2 is Correct: Association areas are large regions within the cerebral cortex that are neither clearly sensory nor motor in function. These areas are responsible for complex cognitive functions, including intersensory associations, memory, and communication.
Statement 3 is Correct: Sensory areas are present in the cerebral cortex. These regions are dedicated to receiving and processing sensory information from various parts of the body (e.g., the somatosensory cortex processes touch and pain).

Key Takeaway: The cerebral cortex is functionally divided into three types of areas: motor areas (controlling voluntary movement), sensory areas (processing sensory input), and association areas (managing complex functions like memory and communication).

Your note

More from Chapter 8: Neural Control and Coordination

With reference to coordination in the human body, consider the following statements: 1. Neural pathways enable rapid point-to-point signalling. 2. Hormones provide electrical integration across organs. 3. Both systems jointly ensure synchronised organ function. Which of the statements given above are correct?

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Consider the following statements about synapses: 1. Electrical synapses transmit faster than chemical synapses. 2. Chemical synapses have closely apposed membranes with no cleft. 3. Electrical synapses are rare in humans. Which of the statements given above are correct?

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Assertion (A): Impulse transmission across an electrical synapse is very similar to impulse conduction along a single axon. Reason (R): At electrical synapses, the membranes of the pre- and post-synaptic neurons are in very close proximity, allowing current to flow directly.

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Assertion (A): In a resting neuron, the axonal membrane is positively charged outside and negatively charged inside. Reason (R): The sodium-potassium pump transports 3 Na+ into the cell for every 2 K+ transported out.

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Consider the following regarding the divisions of the human neural system: 1. Central neural system includes only the brain. 2. Peripheral neural system comprises all nerves associated with the CNS. 3. Central neural system is the primary site for information processing and control. Which of the statements given above are correct?

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Correct Option

The correct option is 2 and 3 only.

Explanation

Statement-wise Analysis

Statement 1 is Incorrect: The cerebral cortex is not limited to motor areas. It contains three distinct functional regions: motor areas, sensory areas, and association areas.
Statement 2 is Correct: Association areas are large regions within the cerebral cortex that are neither clearly sensory nor motor in function. These areas are responsible for complex cognitive functions, including intersensory associations, memory, and communication.
Statement 3 is Correct: Sensory areas are present in the cerebral cortex. These regions are dedicated to receiving and processing sensory information from various parts of the body (e.g., the somatosensory cortex processes touch and pain).