Wheat Anatomy and Nutrition Quiz
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Questions and Answers

What is the main nutrient found in the bran layer of a wheat grain?

  • Fiber (correct)
  • Starch
  • Sugar
  • Oil

Which component of the wheat grain is responsible for seed germination by releasing α-amylase?

  • Germ
  • Endosperm
  • Pericarp
  • Aleurone layer (correct)

What is the main function of GIBBERELLIN during seed germination?

  • Forms the pericarp
  • Stores protein in endosperm
  • Triggers release of α-amylase (correct)
  • Produces aleurone cells

Which part of the wheat grain contains about 20% each of protein, oil, mineral matter, and 10% sugar?

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

Which part of the wheat grain is primarily responsible for the production of brown and whole meal flours?

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

What is the significance of the aleurone layer's role in maintaining the pH during seed germination?

<p>Promotes enzyme activity (C)</p> Signup and view all the answers

What is the primary function of the nucellar layers in the bran of a wheat grain?

<p>Provide nourishment to the embryo (A)</p> Signup and view all the answers

Which part of the wheat grain surrounds and nourishes the embryo?

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

Which component contains spherical granules of starch embedded in a protein matrix?

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

What is the primary role of aleurone cells during seed germination triggered by GIBBERELLIN?

<p>Release α-amylase for hydrolysis of nutrients (C)</p> Signup and view all the answers

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