NEET BIOLOGY

HUMAN PHYSIOLOGY

CONTROL AND COORDINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is the correct definition of stimulus?
A
The ability of an organism to respond
B
the extent of changes in the surrounding
C
a change in the environment
D
changes in pH
Explanation: 

Detailed explanation-1: -Stimuli is a detectable change in the internal or external environment. That which influences or causes a temporary increase of physiological activity or response in the whole organism or in any of its parts.

Detailed explanation-2: -Stimuli are changes in the environment, and organisms must be able to adapt, or adjust, to these changes in order to survive these conditions.

Detailed explanation-3: -Environmental stimuli were defined as ambient, architectural or interior design features that are intended purely to provide a stimulus and that influence patients through mediation by psychological processes.

Detailed explanation-4: -Sensory Cells called receptors detect stimuli (changes in internal or external environment).

There is 1 question to complete.