Give an example of a stimulus and a response.

Q. Which of the following is not an example of response to stimulus?

Q. A reflex action is a quick involuntary response to stimulus. Which of the following is an example of both, unconditioned and conditioned reflex?

Q.

Define stimulus and response.

Q. Negative feedback is defined as a decrease in function in response to a stimulus. In negative feedback, an output of a particular system or reaction is decreased. Positive feedback, is an increase in function in response to a stimulus. In positive feedback, an output is enhanced.
All of the following are examples of negative feedback except

Q. Assertion : "Touch" responses in Mimosa is an example of such movement.
Reason : Nastic movements occur in the direction of stimulus.