Soal-soal Filum Coelenterata/Cnidaria

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| By Euisdurriyah
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Euisdurriyah
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Quizzes Created: 1 | Total Attempts: 4,455
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Soal-soal Filum Coelenterata/Cnidaria - Quiz


Questions and Answers
  • 1. 

    Rongga yang terdapat di bagian tengah dalam tubuh dari Hydra disebut ....

    • A.

      Selom

    • B.

      Pseudoselom

    • C.

      Gastrovaskuler

    • D.

      Blastocoel

    • E.

      Gastrocoel

    Correct Answer
    C. Gastrovaskuler
    Explanation
    The correct answer is gastrovaskuler. Gastrovaskuler refers to the central cavity found in the middle of the body of Hydra. This cavity functions in both digestion and circulation of nutrients. The term "gastrovaskuler" combines "gastro" which means stomach or digestive system, and "vaskuler" which means blood vessels or circulation. Therefore, it accurately describes the role and location of the central cavity in Hydra.

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  • 2. 

    Coelenterata melumpuhkan mangsa atau musuhnya dengan sel penyengat yang terdapat pada ...

    • A.

      Gastrocoel

    • B.

      Tentakel

    • C.

      Mesoglea

    • D.

      Kerangka

    • E.

      Ektoderm

    Correct Answer
    E. Ektoderm
    Explanation
    Coelenterata melumpuhkan mangsa atau musuhnya dengan sel penyengat yang terdapat pada ektoderm. Ektoderm adalah lapisan luar pada tubuh Coelenterata yang mengandung sel penyengat khusus yang disebut nematosist. Sel-sel ini mengandung kapsul beracun yang dapat ditembakkan ke mangsa atau musuhnya untuk melumpuhkannya. Dengan demikian, ektoderm merupakan tempat sel penyengat yang digunakan oleh Coelenterata untuk melumpuhkan mangsa atau musuhnya.

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  • 3. 

    .  Reproduksi cnidaria dengan 2 cara seksual dan aseksual. Dengan cara seksual terjadi peleburan sel sperma dengan sel ovum (telur) yang terjadi pada fase ...

    • A.

      Medusa

    • B.

      Polip

    • C.

      Zigot

    • D.

      Planula

    • E.

      Strobila

    Correct Answer
    A. Medusa
    Explanation
    Cnidaria reproduces through both sexual and asexual methods. In sexual reproduction, the fusion of sperm and egg cells occurs, resulting in the production of a zygote. The zygote then develops into a larval stage called a planula. Eventually, the planula undergoes metamorphosis and transforms into either a polyp or a medusa. The medusa stage is the correct answer because it represents the mature, free-swimming form of cnidaria.

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  • 4. 

    Golongan Coelenterata yang pada tentakelnya tidak terdapat knidoblas adalah. .

    • A.

      Hydrozoa

    • B.

      Scyphozoa

    • C.

      Anthozoa

    • D.

      Stenofora

    • E.

      Protozoa

    Correct Answer
    C. Anthozoa
    Explanation
    Anthozoa is the correct answer because it is a class of Coelenterata that does not have knidoblasts on its tentacles. Knidoblasts are specialized cells found in other classes of Coelenterata, such as Hydrozoa and Scyphozoa, that are used for defense and capturing prey. Protozoa is not a class of Coelenterata, and stenofora is not a recognized term in the context of this question. Therefore, anthozoa is the only option that fits the given criteria.

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  • 5. 

    Alat sengat coelenterata yang berfungsi untuk melemahkan mangsa disebut ....

    • A.

      Knidosit

    • B.

      Spikula

    • C.

      Nematokis

    • D.

      Koanosit

    • E.

      Tentakel

    Correct Answer
    C. Nematokis
    Explanation
    The correct answer is "Nematokis." Nematocysts are specialized stinging cells found in coelenterates, such as jellyfish and corals. These cells are used to immobilize or paralyze their prey by injecting venom.

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  • 6. 

    1. Perhatikan gambar daur hidup Coelenterata di bawah ini!Fase reproduksi generatif pada kelompok hewan Coelenterata dilakukan oleh struktur nomor 

    • A.

      1

    • B.

      2

    • C.

      3

    • D.

      4

    • E.

      5

    Correct Answer
    B. 2
    Explanation
    The reproductive phase in the Coelenterata group is carried out by structure number 2.

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  • 7. 

    Larva bersilia pada Aurelia aurita disebut ....

    • A.

      Efira

    • B.

      Medusa

    • C.

      Skifistoma

    • D.

      Planula

    • E.

      Polip

    Correct Answer
    D. Planula
    Explanation
    Aurelia aurita is a type of jellyfish, and the larva of this jellyfish is called a planula.

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  • 8. 

    Yang merupakan siklus metagenesis Aurelia aurita yang tepat dibawah ini adalah ....

    • A.

      . zigot – skifistoma – strobila – efira – medusa – zigot

    • B.

      Polip – zigot – skifistoma – strobila – efira – medusa – zigot

    • C.

      Zigot – planula – skifistoma – strobila – efira – medusa – zigot

    • D.

      . polip – planula – skifistoma – strobila – efira – medusa – zigot

    • E.

      Planula – skifistoma – strobila – efira – medusa – zigot

    Correct Answer
    C. Zigot – planula – skifistoma – strobila – efira – medusa – zigot
    Explanation
    The correct answer is "zigot – planula – skifistoma – strobila – efira – medusa – zigot". This is the correct sequence of the life cycle stages of Aurelia aurita. It starts with the formation of a zygote, which develops into a planula larva. The planula then transforms into a scyphistoma, which undergoes strobilation to form a series of ephyrae. The ephyrae then develop into medusa, which eventually produces new zygotes to complete the life cycle.

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  • 9. 

    Manfaat coelentarata dalam ekosistem adalah …. 

    • A.

      Sebagai bahan makanan

    • B.

      Sebagai bahan penggosok

    • C.

      Melindungi pantai dari erosi

    • D.

      Sebagai bahan isolator dinamit

    • E.

      Menunjukan tempat minyak bumi

    Correct Answer
    C. Melindungi pantai dari erosi
    Explanation
    Coelenterata, seperti karang dan ubur-ubur, memiliki peran penting dalam melindungi pantai dari erosi. Mereka membentuk terumbu karang yang berfungsi sebagai benteng alami yang menyerap energi gelombang laut, sehingga mengurangi dampak erosi pantai. Terumbu karang juga menyediakan habitat bagi berbagai spesies laut, yang berkontribusi pada keanekaragaman hayati ekosistem pantai. Oleh karena itu, melindungi pantai dari erosi adalah salah satu manfaat utama coelenterata dalam ekosistem.

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  • 10. 

    Pada Coelenterata dikenal tubuh yang hidup menetap dan menempel pada dasar. Bentuk tubuh yang demikian disebut …..

    • A.

      Tentakel

    • B.

      Polip

    • C.

      Medusa

    • D.

      Larva

    • E.

      Zigot

    Correct Answer
    B. Polip
    Explanation
    Coelenterata is a phylum that includes organisms like jellyfish and sea anemones. These organisms have a body form called polyp, which is a cylindrical shape with tentacles surrounding a central mouth. The polyp form is characterized by being sessile and attached to a substrate, such as rocks or coral reefs. This body form allows them to capture prey and filter feed efficiently. Therefore, the correct answer for this question is "polip."

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  • Current Version
  • Jul 22, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 05, 2017
    Quiz Created by
    Euisdurriyah
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