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The simplest form of response in the nervous system is reflex action. This is a rapid, automatic response to a stimulus which is not under the voluntary control of the brain. It is described as an involuntary action. Thus, a reflex action is one which we perform automatically. It is a comparatively simple form of behaviour in which the same stimulus produces the same response every time.1. Moving our hand away on touching a hot plate is an example of reflex action. State true or false.(i) TRUE(ii) FALSE2. The action which we perform is a reflex action(i) TRUE(ii) FALSE3. The pathway (or route) taken by nerve impulses in a reflex action is called _________.(i) Reflex arc(ii) Reflex action4. State true or false. A reflex action is not an automatic response to a stimulus.(i) TRUE(ii) FALSE5. State true or false. The reflexes of this type which involve only the spinal cord are called spinal reflexes.(i) TRUE(ii) FALSE |
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Answer» 1. (i) TRUE 2. (i) TRUE 3. (i) Reflex arc 4. (ii) FALSE 5. (i) TRUE |
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