Question

Stimulus and
se i
h
c
and response
each of the
following examples.
:) A dog salivates on seeing food.
ii) Our eyes blink when some one swings at our eyes
1) An athlele starts to reun on hearing the sound of a
Pistol, in a running reace.
iv) Flowers of dandelion plant close after sunset​

Answer 1

Answer:

The closing of a dandelion flower at dusk (when it gets dark) is not a tropism because the direction of movement of petals of dandelion flower does not depend on the direction of stimulus (light).