Animal Nutrition and Food Utilization Quiz
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Questions and Answers

Which organisms can prepare their own food by photosynthesis?

  • Plants (correct)
  • Bees
  • Animals
  • Snakes

    • How do bees and hummingbirds obtain their food?

  • By filtering tiny food particles
  • By eating mother's milk
  • By sucking nectar from plants (correct)
  • By swallowing animals

    • What do animals require food for?

  • Energy production
  • Photosynthesis
  • Nutrient absorption
  • Growth, repair, and body functioning (correct)

    • How do snakes like pythons feed on their prey?

    <p>By swallowing the animals they prey upon</p> Signup and view all the answers

    What are the components of food that need to be broken down into simpler substances for utilization?

    <p>Complex substances</p> Signup and view all the answers

    Which animals filter tiny food particles floating nearby and feed upon them?

    <p>Some aquatic animals</p> Signup and view all the answers

    What is the process by which starfish feed on animals covered by hard shells of calcium carbonate?

    <p>Opening the shell and popping out its stomach to eat the soft animal inside</p> Signup and view all the answers

    Which part of the human digestive system secretes digestive juices to convert complex substances of food into simpler ones?

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

    What is the function of the buccal cavity in humans during digestion?

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

    What is the purpose of the large intestine in the human digestive system?

    <p>Absorption of water and formation of feces</p> Signup and view all the answers

    What is the significance of milk teeth in humans?

    <p>They are temporary teeth that fall off to make way for permanent teeth</p> Signup and view all the answers

    How does the starfish digest its food after consuming it?

    <p>By gradually digesting it with enzymes secreted by the stomach</p> Signup and view all the answers

    Study Notes

    Nutrition in Plants and Animals

    • Plants prepare their own food through photosynthesis, but animals cannot and obtain food from plants directly or indirectly.
    • All organisms, including humans, require food for growth, repair, and body functioning.

    Modes of Taking Food

    • Different organisms have unique ways of taking food into their bodies.
    • Examples include:
      • Bees and humming-birds sucking nectar from plants
      • Infants feeding on mother's milk
      • Snakes swallowing their prey whole
      • Aquatic animals filtering tiny food particles from the water

    Components of Food

    • Food consists of various components, including:
      • Carbohydrates
      • (Other components not specified)

    Modes of Feeding in Different Animals

    • Various modes of feeding exist, including:
      • Scraping
      • Chewing
      • Siphoning
      • Capturing
      • Swallowing
      • Sponging
      • Sucking
    • Examples of animals and their modes of feeding include:
      • Snails: scraping
      • Ants: unknown
      • Eagles: capturing and swallowing
      • Humming-birds: sucking
      • Lice: unknown
      • Mosquitoes: sucking
      • Butterfly: sipping
      • House fly: unknown

    Digestion in Humans

    • Food passes through a continuous canal (the alimentary canal or digestive tract) from the mouth to the anus.
    • The canal is divided into compartments, including:
      • Buccal cavity (mouth)
      • Oesophagus (foodpipe)
      • Stomach
      • Small intestine
      • Large intestine
      • Rectum
      • Anus
    • Digestive juices from glands like salivary glands, liver, and pancreas break down complex food substances into simpler ones.

    The Digestive System

    • The digestive system consists of the digestive tract and associated glands.
    • The system breaks down complex food substances into simpler ones through digestion.
    • The mouth and buccal cavity are the first points of digestion, where food is taken in and broken down by saliva.

    Teeth

    • Humans have two sets of teeth: milk teeth and permanent teeth.
    • Milk teeth grow during infancy and fall off between six to eight years old.
    • Permanent teeth replace milk teeth and can last throughout life or fall off due to old age or dental disease.

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    Description

    Test your knowledge about animal nutrition, nutrient requirements, food intake, and utilization in the body. Explore how animals obtain their food and the importance of nutrients for growth and body functions.

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