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प्रश्न
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
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उत्तर
Olfactory receptors present in our nasal passage perceive the smell.
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संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
Which part of the eye contains cells which are sensitive to light?
Give three examples of reflex actions.
What is spinal cord? What is its main function?
Explain the difference between of the following pair of terms :
receptor and effector
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the smell of the food?
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)
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
Give one example of a conditioned reflex in your own life.
State whether the following is
Constriction of pupil
State whether the following is
Salivation when food is put in the mouth.
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
Which of the following is an example of unconditioned reflex?
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
