COPY: Introduction to Life Processes
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Questions and Answers

What is the primary site of photosynthesis in plants?

  • Chloroplasts (correct)
  • Stomata
  • Roots
  • Flowers
  • Carnivores primarily consume plants as their main source of nutrition.

    False

    Name one product of the photolysis of water during photosynthesis.

    Oxygen

    Photosynthesis requires ________, water, and light energy.

    <p>carbon dioxide</p> Signup and view all the answers

    Match the type of nutrition to its description:

    <p>Herbivores = They are plant eaters. Carnivores = They eat other animals. Omnivores = They eat both plants and animals.</p> Signup and view all the answers

    Which of the following processes is NOT considered a life process?

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

    All organisms that depend on others for food are classified as autotrophs.

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

    What is the main process by which autotrophic organisms prepare their food?

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

    Humans primarily utilize ______ nutrition, which involves ingestion and digestion of complex food.

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

    Match the types of heterotrophic nutrition with their definitions:

    <p>Holozoic = Ingestion of solid or liquid food Parasitic = Obtaining food from a host organism Saprophytic = Obtaining food from decayed organisms</p> Signup and view all the answers

    Which enzyme is responsible for converting starch into simple sugars in the mouth?

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

    Egestion refers to the absorption of nutrients into the bloodstream.

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

    What is the role of villi in the human digestive system?

    <p>Villi help in the absorption of digested food into the bloodstream.</p> Signup and view all the answers

    The process of breaking down large insoluble molecules into smaller, soluble ones is called __________.

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

    Match the following steps of nutrition with their descriptions:

    <p>Ingestion = Taking in food through the mouth Digestion = Breaking down food into simpler substances Absorption = Taking nutrients into the bloodstream Egestion = Removing undigested food from the body</p> Signup and view all the answers

    What is the main digestive action that occurs in the stomach?

    <p>Digestion of proteins</p> Signup and view all the answers

    The small intestine is where most nutrient absorption takes place.

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

    What is the primary function of bile juice in digestion?

    <p>To emulsify fats.</p> Signup and view all the answers

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