Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> _______ is present as a receptor on planaria.

• A. Eye spot
• B. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Ommatidia
• C. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Lateral line
• D. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Jacobson's organ

Answer 1

The correct option is A Eye spot

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Planaria are the free-living flatworms found in freshwater. They have two eye-spots as their receptors which help in detecting the intensity of light and thus help them in navigating away from the light source.