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 (B)</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 (C)</p> Signup and view all the answers

What is the human eye best compared to?

<p>A camera with a lens and screen system (C)</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 (A)</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 (B)</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 (B)</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 (D)</p> Signup and view all the answers

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