Concept: This question tests your knowledge of the structure and function of the human brain, specifically the connections between its major parts.

Why (C) is correct: The corpus callosum is a large, C-shaped nerve fibre tract located beneath the cerebral cortex. Its primary function is to connect the two cerebral hemispheres, allowing for communication and integration of information between them.

Why other options are wrong:

• (A) cerebrum and thalamus: The thalamus is a relay station for sensory information to the cerebrum, but the corpus callosum doesn't directly connect them.
• (B) thalamus and hypothalamus: These are both parts of the diencephalon and are functionally related, but the corpus callosum is not their connecting tract.
• (D) cerebral cortex and hippocampus: The hippocampus is part of the limbic system, located within the temporal lobe, and while it interacts with the cerebral cortex, the corpus callosum is not its direct connector.

NEET Tip: Remember that the brain is highly interconnected. The corpus callosum is a classic example of a commissural tract, facilitating communication between homologous areas of the two hemispheres.

Correct Answer: (C)