Roundworms Quiz

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| By Em143
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Em143
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Roundworms Quiz - Quiz

Roundworms can infest the human gut by living, eating, and reproducing in it. They don't often show any direct symptoms, but they multiply in numbers in the gut. This quiz will find out what you know about them.


Questions and Answers
  • 1. 

    Roundworms are part of what phylum?

    • A.

      Annelida

    • B.

      Echinodermata

    • C.

      Nematoda

    • D.

      Cnidaria

    Correct Answer
    C. Nematoda
    Explanation
    Roundworms belong to the phylum Nematoda. This phylum includes a vast number of species of worms that are characterized by their cylindrical body shape and unsegmented bodies. Roundworms can be found in various habitats, including soil, freshwater, and marine environments. They play important roles in ecosystems as decomposers, parasites, and prey for other organisms.

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  • 2. 

    What is their type of symmetry?

    • A.

      Bilateral

    • B.

      Radial

    • C.

      Asymmetrical

    Correct Answer
    A. Bilateral
    Explanation
    The correct answer is bilateral. Bilateral symmetry refers to the arrangement of body parts in such a way that there is a distinct left and right side, which are mirror images of each other. This type of symmetry is commonly found in organisms with a distinct front and back, such as humans. Radial symmetry, on the other hand, refers to the arrangement of body parts around a central axis, like a starfish. Asymmetrical symmetry refers to the absence of any particular symmetry in the organism's body plan.

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  • 3. 

    What is their type of reproduction?

    Correct Answer
    Sexual
    Explanation
    The correct answer is sexual because sexual reproduction involves the fusion of gametes from two parents, resulting in offspring that inherit a combination of genetic traits from both parents. This type of reproduction allows for genetic diversity and variation among the offspring, which can be advantageous for survival and adaptation to changing environments.

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  • 4. 

    How many layers of tissues does it have and what are they?

    • A.

      2; Endoderm and Ectoderm

    • B.

      1; Endoderm

    • C.

      3: Endoderm. Ectoderm and Mesoderm

    • D.

      2; Ectoderm and Mesoderm

    Correct Answer
    C. 3: Endoderm. Ectoderm and Mesoderm
    Explanation
    The correct answer is 3: Endoderm, Ectoderm, and Mesoderm. This answer suggests that the organism in question has three layers of tissues: the endoderm, which forms the innermost layer and gives rise to the digestive and respiratory systems; the ectoderm, which forms the outermost layer and gives rise to the skin and nervous system; and the mesoderm, which forms the middle layer and gives rise to the muscles, bones, and circulatory system.

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  • 5. 

    What is the most common roundworm parasiteof humans in the United States?

    • A.

      Hookworms

    • B.

      Crayfish

    • C.

      Tapeworm

    • D.

      Pinworm

    Correct Answer
    D. Pinworm
    Explanation
    Pinworm is the most common roundworm parasite of humans in the United States. Pinworms are small, white worms that infect the intestines and cause an itchy sensation around the anus. They are easily transmitted through contaminated food, water, or surfaces. Pinworm infections are common, especially in children, and can be treated with medication.

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  • 6. 

    What is a roundworms body type?

    • A.

      Psuedocelum

    • B.

      Coelom

    • C.

      N/a

    • D.

      Acoelomates

    Correct Answer
    A. Psuedocelum
    Explanation
    A roundworm's body type is characterized by having a pseudocoelom. A pseudocoelom is a fluid-filled body cavity that is not completely lined by mesoderm. This body cavity provides space for organs and allows for movement and flexibility. Roundworms, also known as nematodes, have a cylindrical body shape and a pseudocoelom that serves various functions, including digestion, reproduction, and circulation of nutrients. This body type is different from coelomates, which have a true coelom, and acoelomates, which lack a body cavity altogether.

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  • 7. 

    Name one organ found in a Roundworm.

    Correct Answer
    Reproductive
    nervous
    heart
    Explanation
    The question asks for one organ found in a Roundworm, and the correct answer provides three options: reproductive, nervous, and heart. Roundworms, also known as nematodes, have a complete digestive system, reproductive organs, a simple nervous system, and a tubular heart. Therefore, all three options are correct as they represent organs that can be found in a Roundworm.

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  • 8. 

    How many openings does a roundworm have?

    • A.

      1; mouth and anus

    • B.

      2; seperate mouth and anus

    • C.

      1; mouth

    • D.

      No openings

    Correct Answer
    B. 2; seperate mouth and anus
    Explanation
    Roundworms, also known as nematodes, have two separate openings for ingestion and excretion. This means they have a distinct mouth for feeding and an anus for eliminating waste. Having separate openings allows for efficient digestion and elimination processes in roundworms.

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  • 9. 

    Describe the reproduction of a roundworm.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 30, 2010
    Quiz Created by
    Em143
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