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NEET • BIOLOGY • NEURAL CONTROL AND COORDINATION
Neural control and coordination practice · Medium
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Showing 121-127 of 127 questions
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The band of fibre which joins corpora quadrigemina to cerebellum is called
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Correct option: B
Valve of Vieussens
Option B is correct because the valve of Vieussens is a band of fibers that connects the corpora quadrigemina to the cerebellum.
122
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122 of 127
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Which of the following statements is correct regarding receptors in the skin?
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Correct option: C
The nociceptors of the skin are bare nerve endings
Option C (The nociceptors of the skin are bare nerve endings) is correct because nociceptors, which detect pain, are indeed free nerve endings in the skin.
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Which of the following statements is true?
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Correct option: C
Non-myelinated nerve fibres do not posses nodes of Ranvier
Option C (Non-myelinated nerve fibres do not posses nodes of Ranvier) is correct because nodes of Ranvier are gaps in the myelin sheath, which is absent in non-myelinated fibers.
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During the conduction of a nerve impulse, the action potential results from the movement of
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Correct option: D
ions from extracellular fluid to intracellular fluid
Option D ( ions from extracellular fluid to intracellular fluid) is correct because during an action potential, sodium ions rush into the cell, causing depolarization.
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Parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement and control. Identify the neurotransmitter responsible for this.
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Correct option: C
Dopamine
Option C (Dopamine) is correct because Parkinson's disease is caused by the degeneration of dopamine-producing neurons in the brain.
126
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Reflex arc in the nervous system means
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Correct option: A
A functional unit consisting of a receptor neural pathway and an effector neuron
The correct answer is A (A functional unit consisting of a receptor neural pathway and an effector neuron) because it accurately describes the components and function of a reflex arc.
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Dendrites transmit impulses towards the
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Correct option: A
Cell body
Option A (Cell body) is correct because dendrites transmit impulses towards the cell body (soma) of the neuron.
Revision notes and key takeaways
Review NEURAL CONTROL AND COORDINATION in your textbook or class notes, then use this set to check your understanding.
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