Seed Coat Structure Quiz

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Questions and Answers

What is the function of arillode in a seed?

  • Facilitation of germination
  • Transport of water and nutrients
  • Protection of the seed (correct)
  • Storage of reserve food

Which structure in a seed is responsible for the storage of reserve food in exalbuminous seeds?

  • Strophiole
  • Endosperm
  • Perisperm
  • Embryo (correct)

What supplies Nitrogen, Sulfur, and Phosphorus in seeds as part of the reserve food materials?

  • Proteins (correct)
  • Aleurone grains
  • Carbohydrates
  • Fixed oil

Which seed structure is an extension of the testa in the form of a membranous fold?

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

In which seeds are aleurone grains found as a reserve food material?

<p>Leguminous seeds and Cereals (B)</p> Signup and view all the answers

What is the function of caruncle in a seed?

<p>Facilitation of germination (B)</p> Signup and view all the answers

What does the nutrient layer in seeds consist of?

<p>Thin walled parenchyma filled with starch granules (B)</p> Signup and view all the answers

What happens to the cells of the nutrient layer during development?

<p>They collapse forming a band of cell wall (C)</p> Signup and view all the answers

In which seeds is the nutrient layer used for starch storage?

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

Which seeds have deeply colored cell contents in the inner layer of the testa?

<p>Linseed and black mustard (A)</p> Signup and view all the answers

What is the role of the nutrient layer in seed development?

<p>Storage of starch granules (C)</p> Signup and view all the answers

Which type of cells make up the nutrient layer in seeds?

<p>Thin-walled parenchyma filled with starch granules (B)</p> Signup and view all the answers

What is the function of the palisade layer in the seed coat?

<p>To facilitate gas exchange for seed respiration (D)</p> Signup and view all the answers

Which seed type is more likely to have both endosperm and perisperm surrounding the embryo?

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

In which type of seeds is the endosperm absent?

<p>Nux vomica seeds (C)</p> Signup and view all the answers

Which one of the following seeds has a sclerenchymatous layer in its seed coat?

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

What distinguishes the epidermis in Cardamom seeds from that in Lobelia seeds?

<p>Cells with thickened radial walls and base (D)</p> Signup and view all the answers

Which type of seed coats have a palisade layer consisting of cells with polygonal prisms?

<p>Nux vomica seeds (D)</p> Signup and view all the answers

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