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प्रश्न
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
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उत्तर
(b) chewing
Chewing is a voluntary action, while actions like vomiting, heart beat and salivation are involuntary.
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संबंधित प्रश्न
Which of the following is not a natural reflex action?
A. Knee-jerk
B. Blinking of eyes due to strong light
C. Salivation at the sight of food
D. Sneezing when any irritant enters the nose
Name one gustatory receptor and one olfactory receptor present in human beings.
State whether coughing is a voluntary action or reflex action.
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 are the various sense organs in our body?
A person walks across a room in barefeet and puts his foot on a drawing pin lying on the floor. He lets out a cry. Explain what happens in his nervous system in bringing about this response.
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
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
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Multiple choice question. Tick (✓) the correct choice:
Reflex actions occur under the control of
- brain
- medulla oblongata
- spinal cord
- cerebrum
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:
Knitting without looking: …………………..
Explain the following term :
Conditioned reflex
State whether the following is
Salivation when food is put in the mouth.
Complete the following sentence with appropriate Word
Which of the following is not a natural reflex action?
In reflex action, the reflex arc is formed by ______
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Reflex arc allows the rapid response of the body to a stimulus.
Reflex actions are mediated through ____________.
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
