RRB Junior Engineer / DMS / CMA 2015 · Question 28 of 480

When you touch a hot plate and immediately withdraw your hand, the action in triggered by your

General Science - Miscellaneous

Aa. brain
Bb. spinal cordCorrect
Cc. upper arm muscles
Dd. bones of the hand

Answer: B. b. spinal cord

Explanation

When we touch a hot plate we immediately withdraw hand because of reflex action. It begins from our spinal cord. This is called reflex action.

Source: Arihant RRB JE Solved Paper 26-Aug-2015 (3rd Shift), Q91–150 — published solved-paper compilation (Q1–90 technical not included in this source) · memory-based

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