Biology of Agriculture
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Questions and Answers

What is the source of mineral nutrients for plants?

  • Solar radiation
  • Atmospheric carbon dioxide
  • Chlorophyll production
  • Decomposition of rocks (correct)

What percentage of solar radiation energy is used by plants?

  • Between 20 and 30%
  • Between 50 and 60%
  • Between 1 and 5% (correct)
  • Between 80 and 90%

What is the term for the energy formed by plants?

  • Chlorophyll Energy
  • Net Primary Product (correct)
  • Solar Energy Reserve
  • Secondary Product

What do herbivores consume as food?

<p>Plants (A)</p> Signup and view all the answers

What needs to happen to nitrogen before it can be taken up by plants?

<p>It has to be fixed in the soil as a soluble nitrate (C)</p> Signup and view all the answers

What determines the productivity of plants and animals in agriculture?

<p>Inherent biological characteristics (B)</p> Signup and view all the answers

What is the primary source of mineral nutrients for plants?

<p>Decomposition of rocks (B)</p> Signup and view all the answers

What fraction of solar radiation energy is used by plants?

<p>Between 1 and 5 per cent (A)</p> Signup and view all the answers

What do herbivores primarily consume as food?

<p>Plants (A)</p> Signup and view all the answers

What is the term for the energy formed by plants?

<p>Net Primary Product (B)</p> Signup and view all the answers

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