Biology DPP (24 March)
Each question carries 2 Marks.
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The basic structural and functional unit of the nervous system is:
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The neuron that transmits impulses from sensory organs to the central nervous system (CNS) is called:
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The gap between two neurons where neurotransmitters are released is called
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Which ion is responsible for the generation of an action potential in neurons?
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The myelin sheath around axons in the central nervous system (CNS) is formed by:
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The sympathetic nervous system is activated during:
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The neurotransmitter that plays a major role in the parasympathetic nervous system is:
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The outermost protective covering of the brain is called:
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The part of the brain responsible for maintaining posture and balance is:
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Which of the following is NOT a part of the human brain?
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The resting membrane potential of a neuron is maintained by:
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The neurotransmitter involved in muscle contraction is:
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Which part of the brain regulates temperature, hunger, and thirst?
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The gaps between adjacent Schwann cells in a myelinated neuron are called:
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Which type of neuron carries impulses from the CNS to effectors (muscles or glands)?
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