The order of sequence of tissues involved in producing of a reflex action when a bright light is focused on the eye would be
receptor, sensory neuron, relay neuron, motor neuron, effector
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
The sequence of tissues involved in producing a reflex action will not be in the order of effector, sensory neuron, relay neuron, motor neuron, receptor.
Option C:
The sequence of tissues involved in producing a reflex action will not be in the order of effector, motor neuron, relay neuron, sensory neuron, receptor.
Option D:
The sequence of tissues involved in producing a reflex action will not be in the order of receptor, motor neuron, relay neuron, sensory neuron, effector.
Final answer: The order of sequence of tissues involved in producing a reflex action when a bright light is focused on the eye would be receptor, sensory neuron, relay neuron, motor neuron, effector.