If the light source in front of an eye becomes bright suddenly,what happens?

What is reflex action? How is reflex arc formed?

Which one of the following reflexes does not involve the innervation of the brain?

How is a reflex arc formed?

The various components of a reflex arc are given below:
$i.$ Effector organ
$ii.$ Interneuron
$iii.$ Motor neuron
$iv.$ Sensory neuron
$v.$ Sensory receptors
Choose the correct sequence of action potential transmission after the sensory receptors are stimulated.

Conditioned reflexes are different from unconditioned reflexes in that: