Earthworm has no special sense organs, still they are sensitive to

Light and sound

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touch and sound

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Touch, taste and light

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Touch, taste, light and vibrating

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Solution

The correct option is A Light and sound
In earthworms there are specialised nerves with photoreceptors in the nerve endings present in the skin and the impulses from these nerves are carried rapidly to the muscles of the earthworm. This makes them sensitive to stimuli such as light and sound.
So, the correct option is 'Light and sound'.

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Similar questions

Q. Earthworm has no special sense organs, still they are sensitive to _______________.

Assertion (A): Earthworms are sensitive to light.
Reason (R): It has eyes but still can sense light through light sensitive cells (olfactory - receptors) present in their skin.

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