Fish Feeding Classification Quiz
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Questions and Answers

Which group of fish eats only plants?

  • Detritivores
  • Carnivores
  • Herbivores (correct)
  • Omnivores
  • What percentage of protein is essential in the diet of carnivorous fish?

  • At least 45% (correct)
  • Around 30%
  • More than 60%
  • Less than 20%
  • Which fish group is known for its specialized teeth or mouthparts adapted for grazing on vegetation?

  • Herbivores (correct)
  • Carnivores
  • Omnivores
  • Detritivores
  • Which fish group switches between types of prey based on their abundance?

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

    What do omnivores primarily feed on?

    <p>Both plants and small creatures</p> Signup and view all the answers

    Which group of fish is described as meat-eating or predatory fish?

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

    Which method is appropriate for prey items of different species in the same size range, such as in piscivorous fishes or planktonivorous fishes?

    <p>Numerical method</p> Signup and view all the answers

    Why is the numerical method not suitable for dealing with food items like macro algae and detritus?

    <p>It neglects the quantitative side.</p> Signup and view all the answers

    What valuable information does the frequency of occurrence method provide?

    <p>Prevalence of food items</p> Signup and view all the answers

    In what type of fish is it difficult to estimate the number in each food category using the numerical method?

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

    Which method requires the minimum apparatus and is quick to implement?

    <p>Frequency of occurrence method</p> Signup and view all the answers

    Why do some food items gain a high percentage of occurrences in the frequency of occurrence method?

    <p>Due to resistance to digestion</p> Signup and view all the answers

    Which fish species is described as a surface and midwater feeder?

    <p>Catla catla</p> Signup and view all the answers

    What is the noticeable difference in body shape between Catla catla and Labeo rohita?

    <p>Catla catla has a moderately compressed body while Labeo rohita has a deep body.</p> Signup and view all the answers

    Which fish species is characterized by having large gill rakers for feeding?

    <p>Catla catla</p> Signup and view all the answers

    What is the coloration of Catla catla on its back and sides?

    <p>Grayish on the back, silvery on the sides</p> Signup and view all the answers

    Which fish species has one pair of small maxillary barbells?

    <p>Labeo rohita</p> Signup and view all the answers

    What is the feeding habit of young Catla catla?

    <p>Feeding on both zooplankton and phytoplankton</p> Signup and view all the answers

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