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प्रश्न
Fill in the following blank with suitable word :
A neuron which carries an impulse to the brain is called a ........... neuron.
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उत्तर
A neuron which carries an impulse to the brain is called a sensory neuron.
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संबंधित प्रश्न
How are involuntary actions and reflex actions different from each other?
Give examples of unconditional reflexes
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.
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?
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?
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
One of the following controls the peristaltic movements of alimentary canal. This one is :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
State whether the following is simple reflex, conditioned reflex or neither of the two:
Sneezing: …………….
State whether the following is simple reflex, conditioned reflex or neither of the two:
Blushing: ……………….
State whether the following is simple reflex, conditioned reflex or neither of the two:
Lifting up a book: …………………..
Explain the mechanism of reflex action with the help of a suitable diagram.
Explain the following term :
Conditioned reflex
What type of reflex is the following?
Blinking of the eye
Reflex arc allows the rapid response of the body to a stimulus.
Which of the following is an example of unconditioned reflex?
Which of the following is not involved in Knee-jerk reflex?
If after cutting through dorsal root of a spinal nerve of a mammal, the associated receptor in skin was stimulated the animal would ______.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
