Biology Class 12th Chapter 6 Quiz

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Questions and Answers

Why is water considered a thermal buffer?

  • It is a good conductor of heat
  • It evaporates quickly
  • It has low density
  • It has a high specific heat capacity (correct)

What is the primary function of root hairs in plants?

  • Nutrient absorption
  • Reproduction
  • Photosynthesis
  • Water absorption (correct)

Which type of water is absorbed by plants from the soil?

  • Hygroscopic water
  • Gravitational water
  • Combined water
  • Capillary water (correct)

What is another name for epidermal cells in the roots of plants?

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

What makes water the 'elixir of life'?

<p>It is a universal solvent (A)</p> Signup and view all the answers

Which property of water allows it to act as a thermal buffer?

<p>High heat of vaporization (B)</p> Signup and view all the answers

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