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प्रश्न
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
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उत्तर
Stimulus: Something falling into the eye.
Response: Pain in the eye.
संबंधित प्रश्न
With the help of a neat and labelled diagram, describe reflex arc.
Give examples of unconditional reflexes
Name two parts of the body which contain receptors of chemical stimuli.
Give three examples of reflex actions.
What is meant by receptors and effectors? Give two examples of each.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
Which of the following are cerebral reflexes?
(i) a person pulls away his hand on touching a hot object
(ii) a person spits out immediately when a fly enters his mouth while talking
(iii) A person walking bare foot lifts his foot at once on stepping on to a nail
(iv) A person's pupil contracts at once in the presence of bright light
(a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (ii) and (iv)
State whether the following is
Cleaning
What type of reflex is the following?
Knitting and swimming
A change in the environment that causes an animal to react is called ______.
