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Control and Coordination

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Mention the receptors for light and sound in animals.

Animals receive a variety of external information through specialized structures called sense organs or receptors. These are:
(i) Photoreceptors: They receive light.
(ii) Phonoreceptors: They receive sound.

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A cat running, children playing on swings, buffaloes chewing and these are not movements by ________.

growth

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The receptors are usually located in our sense organs such as the ________ , the _________, the ________

internal ear

,

nose

,

tongue

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All informations from our environment is detected by the specialised tips of some __________.


nerve cells

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All living organisms must use systems providing _________ and _________.

control

,

coordination

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Germination of seed and pushing of soil by seedling is an example of movement caused by _________.


growth

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