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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
Which part of the brain maintains posture and equilibrium of the body?
Give the various functions of brain.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Receptor : Sensory nerve :: Motor nerve : ______.
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
What is the difference between reflex action and voluntary action?
Explain the following term :
Conditioned reflex
State whether the following is
Constriction of pupil
State whether the following is
Cleaning
What type of reflex is the following?
Solving mathematical sums
Give Technical Term:
The scientist, who conducted experiment on a dog to show conditioned reflex
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
In reflex action, the reflex arc is formed by ______
The reflex arc which is made up of one sensory and one motor neuron is ______
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
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- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Sneezing
