Plant Growth and Development
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Questions and Answers

Which part of the plant forms a continuous layer of secondary xylem?

  • Stems (correct)
  • Roots
  • Leaves
  • Flowers
  • What is the process by which the plant body changes as it grows called?

  • Germination
  • Photosynthesis
  • Plant development (correct)
  • Respiration
  • What are the newly added xylem tissues in the more mature part of the plant called?

  • Tertiary xylem
  • Secondary xylem (correct)
  • Xylem parenchyma
  • Primary xylem
  • What is the main reason why plants were able to survive on land?

    <p>Maintenance of cell water</p> Signup and view all the answers

    How did plants adapt to obtain light in the terrestrial environment?

    <p>By growing taller and taller</p> Signup and view all the answers

    What is the main function of the root system in plants?

    <p>Nutrient absorption</p> Signup and view all the answers

    Where does gas exchange occur in plants that have adapted to land?

    <p>In the leaves</p> Signup and view all the answers

    What type of tissue undergoes cell division to produce secondary xylem?

    <p>Meristematic tissue</p> Signup and view all the answers

    What type of reproduction do plants perform on land?

    <p>Sexual reproduction</p> Signup and view all the answers

    What allowed plants to acquire nutrients from the soil instead of water?

    <p>Development of specialized roots</p> Signup and view all the answers

    Which structure in plants is responsible for carrying out sexual reproduction?

    <p>Flowers</p> Signup and view all the answers

    What is the male sex organ in a flower called?

    <p>Anther</p> Signup and view all the answers

    Where is the female sex organ located in a flower?

    <p>Ovary</p> Signup and view all the answers

    What is the bag of liquid inside the ovules called?

    <p>Endosperm</p> Signup and view all the answers

    What is the process called when pollen is placed on top of the female reproductive structure?

    <p>Pollination</p> Signup and view all the answers

    What is the structure where the male and female gametes unite called?

    <p>Embryo sac</p> Signup and view all the answers

    What is the first cell formed within the embryo sac called?

    <p>Zygote</p> Signup and view all the answers

    What is the smaller daughter cell formed during the first cell division destined to become?

    <p>Mature embryo cell</p> Signup and view all the answers

    What is the larger daughter cell formed during the first cell division called?

    <p>Suspensor</p> Signup and view all the answers

    What is the developmental biologist called the embryo at the 1-cell stage?

    <p>Zygote</p> Signup and view all the answers

    Which structure in plants is responsible for sexual reproduction?

    <p>Ovary</p> Signup and view all the answers

    What is the male sex organ in plants called?

    <p>Anther</p> Signup and view all the answers

    What is the process called when pollen is placed on the stigma?

    <p>Pollination</p> Signup and view all the answers

    Where does fertilization occur in plants?

    <p>Ovary</p> Signup and view all the answers

    What is the name of the structure where the embryo develops?

    <p>Embryo sac</p> Signup and view all the answers

    What is the first cell formed after fertilization called?

    <p>Zygote</p> Signup and view all the answers

    What is the function of the nucellus in the embryo sac?

    <p>Nutrient transport</p> Signup and view all the answers

    What is the name of the first cell division in the zygote?

    <p>Embryogenesis</p> Signup and view all the answers

    Which daughter cell in the first cell division becomes the mature embryo?

    <p>Apical daughter cell</p> Signup and view all the answers

    What is the elongated zygote called at the 1-cell stage?

    <p>Zygote</p> Signup and view all the answers

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