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NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION
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Read the following statements w.r.t. Knee-jerk reflex and choose the correct answer.
(A) Interneuron initiates impulse in one or more motor or efferent neurons.
(B) Reflex pathway comprises of at least one afferent neuron and one efferent neuron
(A) Interneuron initiates impulse in one or more motor or efferent neurons.
(B) Reflex pathway comprises of at least one afferent neuron and one efferent neuron
View answer and explanation
Correct option: D
Only statement B is correct
The correct answer is D (Only statement B is correct) because interneurons are not always involved in initiating impulses in motor neurons in the knee-jerk reflex, which is a monosynaptic reflex.
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II. It is important in overall activation and arousal
III. It is concerned with involuntary movements
IV. It is the seat of learning, memory, reasoning and creative ability Which of the following neuron is also called excitor neuron?