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Which of the following forms a reflex arc?(a) Organ and tissue(b) Cells and neurons involved(c) Effort and load(d) Stimulus and responseI got this question in an online quiz.Question is taken from Neural Control and Coordination in division Neural Control and Coordination of Biology – Class 11

Answer»

Correct answer is (d) Stimulus and response

The explanation is: The EFFERENT neurons carry the signals from the CENTRAL nervous SYSTEM to the effector organs. The stimulus and response thus form a REFLEX arc, for EXAMPLE; the knee jerk reflex.



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