One commen example of simple reflex is

Options

A. typing your shoe laces while talking to another person and not looking at them
B. watering of mouth at the sight of a favourite food
C. climbing up a stairs in dark without stumbing
D. closing of eyes when strong light is flashed across them .

Answer

D

Explanation

Simple or unconditional reflexes are present in an individual right from birth. They are specific, predictable, purposeful and have survival value, eg. breast feeding and swollowing in newly born babies and blinking of eyes are examples of unconditioned reflexes. (a) (b) and (c) are the examples of conditional reflexes and are not present at birth but develop later in life through learning habit.