CBSE Class 10 Science
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Questions and Answers

The retina is responsible for:

  • Regulating body temperature
  • Sensing light (correct)
  • Balancing body fluids
  • Producing tears

    • The human eye is best described as:

  • A tool for measuring atmospheric pressure
  • A natural optical instrument used by human beings to see objects (correct)
  • A sensory organ for smelling
  • A man-made device used to capture images

    • Persistence of vision is related to the eye's ability to:

  • Distinguish between colors
  • Detect motion accurately
  • Retain an image for a short time after the image has disappeared (correct)
  • See in complete darkness

    • The defects of vision include:

    <p>Myopia and hyperopia</p> Signup and view all the answers

    The power of accommodation of the human eye refers to its ability to:

    <p>Adjust focus to see objects at different distances</p> Signup and view all the answers

    What is the human eye best compared to?

    <p>A camera with a lens and screen system</p> Signup and view all the answers

    What is the function of the retina in the human eye?

    <p>It is a light-sensitive part responsible for forming images</p> Signup and view all the answers

    What does the term 'persistence of vision' refer to in relation to the eye?

    <p>The retention of an image by the eye after the stimulus has been removed</p> Signup and view all the answers

    What is the power of accommodation of the human eye related to?

    <p>Its ability to adjust focus for objects at different distances</p> Signup and view all the answers

    What are the defects of vision mentioned in the text related to?

    <p>Impairments in the normal functioning of the eye</p> Signup and view all the answers

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