Carbon Cycle Quiz
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Questions and Answers

What do plants use carbohydrates to make?

  • Oxygen and water
  • Proteins and fats (correct)
  • Water and minerals
  • Carbon dioxide

How is carbon dioxide primarily returned to the atmosphere?

  • Plant respiration
  • Decomposition process
  • Animal respiration
  • Fossil fuel combustion (correct)

Which important mineral is needed by plants to make chlorophyll?

  • Sodium
  • Magnesium (correct)
  • Nitrate
  • Potassium

What is the main function of chlorophyll in plants?

<p>Trap light energy for photosynthesis (C)</p> Signup and view all the answers

Why do farmers use fertilizers on a continuous basis?

<p>To ensure plants get enough minerals and salts (D)</p> Signup and view all the answers

What is the primary reason for the thinness of a leaf?

<p>To allow sunlight to pass through (C)</p> Signup and view all the answers

In which cells are chloroplasts mainly found in a leaf?

<p>Mesophyll cells (D)</p> Signup and view all the answers

What happens if plants do not receive enough nitrate in their fertilizer?

<p>Leaves become yellow (B)</p> Signup and view all the answers

What is a major consequence of increasing global temperatures due to climate change?

<p>Increased extreme weather events (D)</p> Signup and view all the answers

What is the impact of steady carbon dioxide levels post the industrial revolution?

<p>Stabilizing global temperatures (D)</p> Signup and view all the answers

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