NEET · Biology · STD 11 - 18. Neural control and coordination
The parts of human brain that helps in regulation of sexual behaviour, expression of excitement, pleasure, rage, fear etc. are:
- A Corpus callosum and thalamus
- B Limbic system and hypothalamus
- C Corpora quadrigemina and hippocampus
- D Brain stem and epithalamus
Answer & Solution
Correct Answer
(B) Limbic system and hypothalamus
Step-by-step Solution
Detailed explanation
Option \((2)\) is the correct answer because limbic system along with hypothalamus regulate the sexual behaviour, expression of excitement, pleasure, rage, fear, etc. Option \((1),(3)\) and \((4)\) are not correct because corpora quadrigemina is a part of the midbrain and consists of four round swellings. Corpus callosum is a tract of nerve fibres that connects right and left cerebral hemispheres. Thalamus is a major coordinating centre in the forebrain for sensory and motor signalling. Midbrain, pons and medulla oblongata together form the brain stem.
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