Advertisements
Advertisements
प्रश्न
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
Advertisements
उत्तर
(d) nose
The olfactory receptors which detect smell are located in the nose.
APPEARS IN
संबंधित प्रश्न
With the help of a neat and labelled diagram, describe reflex arc.
Which part of the eye contains cells which are sensitive to light?
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
What is meant by receptors and effectors? Give two examples of each.
Name the function of cerebrum.
Explain the difference between of the following pair of terms :
receptor and effector
Explain the difference between of the following pair of terms :
cerebrum and cerebellum
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Differentiate between the following pair of terms:
Stimulus and impulse
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Stimulus : Receptor :: Impulse : ______.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Contraction of eye pupil
Two hungry boys (A and B) enter a restaurant and find a table decorated as follows:
Boy B starts salivating but not A. Explain the reason for this difference.
List in tabular form two differences between reflex action and walking.
State whether the following is
Sneezing
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
State whether the following is
Salivation when food is put in the mouth.
Mention, if the following statement is True or False
Reflex action involves brain
The given diagrammatic representation of reflex action shows knee jerk reflex.
Identify the parts labeled as A to E and select the correct option.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
