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Assertion : In frogs, the entire skin serves as tangoreceptors. Reason : Tactile organs and patches are present throughout the skin of frog.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
Answer» Correct Answer - A The entire skin of frog serves as organs of touch as it is abundantly supplied with sensory nerve endings situated in the spaces between the cells. Thus the skin is called tangoreceptor. At palces, groups of epidermal cells-tactile organe and patches are present. These are very much sensitive to touch and also to temperature. The tactile organs make the skin of frog sensitive to touch. heat, cold and the effect of the chemicals |
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