Chapter 216 of 2363 min read
Central nervous system
Why this is asked: NEET separates "initiates movement" from "coordinates movement": the cerebrum's motor areas initiate voluntary movement, so damage there causes paralysis, while the cerebellum only fine-tunes posture, balance and precision, so damage to it produces jerky, uncoordinated movement, not paralysis — the give-away in assertion-reason questions on this topic.
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- •Given below are two statements: Statement I: The cerebral hemispheres are connected by a nerve tract known as the corpus callosum. Statement II: The brain stem consists of the medulla oblongata, pons and cerebrum. In the light of the above statements, choose the most appropriate answer from the options given below:
- •Match List I with List II.
Choose the correct answer from the options given below:List I List II A. Pons I. Provides additional space for neurons, regulates posture and balance B. Hypothalamus II. Controls respiration and gastric secretions C. Medulla III. Connects different regions of the brain D. Cerebellum IV. Neurosecretory cells
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