Invertebrates (Insects, Mollusks And Worms)

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| By Raefa
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Quizzes Created: 1 | Total Attempts: 215
Questions: 11 | Attempts: 220

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Invertebrates (Insects, Mollusks And Worms) - Quiz

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Questions and Answers
  • 1. 

    Invertebrates are animals without a ________ column.

    Explanation
    Invertebrates are animals without a vertebral column. A vertebral column, also known as a backbone, is a defining characteristic of vertebrates. It is a series of bones that run along the midline of the body, providing support and protection for the spinal cord. Invertebrates, on the other hand, lack this structure and have a wide range of body plans and support systems.

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  • 2. 

    The body of the insects is divided into ________ parts.

    Explanation
    The body of insects is divided into three parts, also represented by the numerical value 3. This division is a characteristic feature of insects and helps to differentiate them from other organisms. The three parts are the head, thorax, and abdomen. Each part has specific functions and structures that contribute to the overall functioning and survival of the insect.

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  • 3. 

    Mollusks have a soft body protected by a hard________

    Explanation
    Mollusks have a soft body that needs protection from the external environment. The hard shell acts as a protective covering, providing support and defense against predators. The shell is made of calcium carbonate and is secreted by the mantle, a specialized tissue in the mollusk's body. The shell not only offers physical protection but also helps in maintaining the shape and structure of the mollusk's body. It serves as a barrier against desiccation and provides a platform for muscle attachment, locomotion, and other vital functions for the mollusk's survival.

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  • 4. 

    ________ have a long and soft body.

    Explanation
    Worms have a long and soft body due to their anatomical structure. Their bodies are made up of many segments, allowing them to move in a flexible and undulating manner. This elongated body shape is advantageous for their burrowing and crawling abilities. The softness of their body is essential for their survival, as it enables them to easily navigate through soil, decaying matter, or water. Additionally, their soft bodies allow worms to absorb oxygen and moisture through their skin, facilitating their respiration and hydration.

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  • 5. 

    Insects have 6 pairs of legs.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Insects do not have 6 pairs of legs. In fact, most insects have 3 pairs of legs, which makes a total of 6 legs. Some insects, like spiders, have an additional pair of legs, bringing their total to 8 legs. Therefore, the statement that insects have 6 pairs of legs is false.

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  • 6. 

    Squid is an example of an insect.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is incorrect. Squid is not an example of an insect. Insects are a class of invertebrates characterized by having a three-part body, six legs, and typically one or two pairs of wings. Squids, on the other hand, are marine cephalopods with a soft body, a mantle, and eight arms. They belong to a different taxonomic group and are not classified as insects.

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  • 7. 

    The body of the spider is divided into 2 parts.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the body of a spider is indeed divided into two parts. The front part is called the cephalothorax, which contains the spider's head and thorax, while the back part is called the abdomen. This division allows the spider to have better mobility and flexibility in its movements.

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  • 8. 

    Insects are such as

    • A.

      Ant, ladybug and spider

    • B.

      Beetle, earthworm and snail

    • C.

      Ladybug, beetle and butterfly

    Correct Answer
    C. Ladybug, beetle and butterfly
    Explanation
    The correct answer is ladybug, beetle, and butterfly. These three organisms belong to the category of insects. Insects are characterized by having a three-part body (head, thorax, and abdomen), six legs, and often wings. Ladybugs, beetles, and butterflies all possess these characteristics, making them examples of insects.

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  • 9. 

    Mollusks are such as 

    • A.

      Oyster, squid and mussels

    • B.

      Snail, ladybug and ant

    • C.

      Earthworm , slug and grass hopper

    Correct Answer
    A. Oyster, squid and mussels
    Explanation
    The correct answer includes examples of mollusks such as oyster, squid, and mussels. Mollusks are a diverse group of invertebrates that have soft bodies and usually a hard shell. Oysters, squids, and mussels are all examples of mollusks that have shells and are found in aquatic environments.

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  • 10. 

    The three body parts of the insect are: 1-________ 2-________ 3-________

    Correct Answer
    Head
    Thorax
    Abdomen
    Explanation
    The three body parts of an insect are the head, thorax, and abdomen. The head is located at the front of the insect and contains the sensory organs such as the eyes, antennae, and mouthparts. The thorax is the middle section of the insect's body and is responsible for locomotion, housing the wings and legs. The abdomen is the posterior part of the body and contains the digestive, reproductive, and excretory systems. These three body parts work together to facilitate the insect's various functions and survival.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 19, 2020
    Quiz Created by
    Raefa

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