Latihan Online Soal Biologi Bab Virus

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  • 1/28 Pertanyaan

    Virus tidak dapat masuk dalam kelompok makhluk hidup karena...

    • Virus dapat dikristalkan
    • Virus dapat melakukan pembuahan
    • Virus dapat bergerak
    • Virus dapat berkembang biak
    • Virus dapat menularkan penyakit
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  • 2. 

    Avian Influenza A( H5NI) penyebab penyakit ……

    • Penyebab tumor pada hewan

    • Penyebab rabies

    • AIDS

    • Penyebab penyakit flu burung

    • Penyebab penyakit polio

    Correct Answer
    A. Penyebab penyakit flu burung
    Explanation
    The correct answer is "Penyebab penyakit flu burung." This is because Avian Influenza A (H5N1) is commonly known as bird flu and it is caused by the H5N1 strain of the influenza A virus. It primarily affects birds, particularly poultry, but can also infect humans and cause severe respiratory illness. The virus is transmitted through direct contact with infected birds or their droppings, and in rare cases, it can be transmitted from person to person.

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  • 3. 

    Penularan penyakit AIDS dapat melalui ....

    • Hubungan seksual

    • Berjabat tangan

    • Saluran pernapasan

    • Bersin

    • Gigitan nyamuk

    Correct Answer
    A. Hubungan seksual
    Explanation
    AIDS can be transmitted through sexual contact, as the virus that causes AIDS, HIV, can be present in bodily fluids such as blood, semen, vaginal fluids, and breast milk. Therefore, engaging in sexual activity with an infected person can lead to the transmission of the disease.

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  • 4. 

    Pada saat virus berada dalam tahap lisogenik, mengapa tubuh tidak merasa sakit? Hal ini disebabkan virus ….

    • Merusak sistem imun

    • Dapat masuk ke fase litik

    • masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing

    • Tidak bersifat parasit

    • Belum cukup matang

    Correct Answer
    A. masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing masih berada dalam sel sehingga sistem imun tidak dapat mendeteksi benda asing
    Explanation
    During the lysogenic stage, the virus remains inside the host cell and integrates its genetic material into the host's DNA. This allows the virus to replicate along with the host's DNA without causing any immediate harm or triggering the immune system's response. As a result, the body does not feel sick because the virus is not detected as a foreign invader by the immune system.

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  • 5. 

    Cabang ilmu biologi yang mempelajari tentang virus adalah ……

    • Anatomi virus

    • Morfologi virus

    • Virologi

    • Struktur hewan

    • Serologi

    Correct Answer
    A. Virologi
    Explanation
    Virologi adalah cabang ilmu biologi yang mempelajari tentang virus. Dalam virologi, para ilmuwan mempelajari struktur, sifat, dan siklus hidup virus, serta cara-cara virus berinteraksi dengan inangnya. Mereka juga mempelajari bagaimana virus menyebabkan penyakit dan cara-cara untuk mencegah dan mengobati infeksi virus. Dengan mempelajari virologi, kita dapat memahami lebih dalam tentang virus dan mengembangkan strategi-strategi untuk mengatasi penyakit yang disebabkan oleh virus.

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  • 6. 

    Virus tersusun atas selubung protein yang disebut ….

    • Virion

    • Vaksin

    • Kapsid

    • Partikel virus

    • Hospes

    Correct Answer
    A. Kapsid
    Explanation
    The correct answer is "Kapsid." A virus is composed of a protein coat called a capsid, which protects the genetic material of the virus. The capsid is responsible for the shape and structure of the virus. It plays a crucial role in protecting the viral genome and facilitating its entry into host cells.

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  • 7. 

    Virus yang menginfeksi bakteri disebut ….

    • Mikrobakteri

    • Bakteriofag

    • Profag

    • Makrobakteri

    • Mikropofag

    Correct Answer
    A. Bakteriofag
    Explanation
    Bakteriofag adalah virus yang menginfeksi bakteri.

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  • 8. 

    Virus pemakan bakteri adalah …..

    • H5NI

    • Bakteriofag

    • TMV

    • TYMV

    • Virus paramyxovirus

    Correct Answer
    A. Bakteriofag
    Explanation
    A bakteriofag is a type of virus that specifically infects and feeds on bacteria. It attaches to the surface of the bacteria and injects its genetic material into the bacterial cell. The genetic material then takes over the cell's machinery, forcing it to produce more copies of the virus. Eventually, the bacterial cell bursts open, releasing the newly formed viruses to infect other bacteria. Therefore, a bakteriofag can be considered a virus that eats bacteria.

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  • 9. 

    Virus akan menghancurkan sel induk setelah melakukan reproduksi.Pernyataan diatas termasuk dalam infeksi secara ….

    • Litik

    • Lisogenik

    • Fase absorpsi dan infeksi

    • Fase penggabungan

    • Replika

    Correct Answer
    A. Litik
    Explanation
    The given statement states that the virus will destroy the host cell after reproduction. This process is known as the lytic cycle or the lytic infection. In the lytic cycle, the virus attaches to the host cell, injects its genetic material, takes over the cell's machinery to produce new viral components, assembles these components into new viruses, and finally, lyses or destroys the host cell to release the newly formed viruses. This is different from the lysogenic cycle, where the viral DNA integrates into the host cell's genome and remains dormant until triggered to enter the lytic cycle.

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  • 10. 

    Virus tidak dianggap sebagai sel karena ….

    • Virus tidak dapat melakukan pembelahan

    • Virus dapat melakukan proliferasi

    • Virus tidak bermembran inti

    • Virus tidak memiliki sitoplasma dan membran sel, berukuran sangat kecil, serta dapat dikristalkan

    • Virus hanya dapat hidup sebagai parasit (parasit sejati)

    Correct Answer
    A. Virus tidak memiliki sitoplasma dan membran sel, berukuran sangat kecil, serta dapat dikristalkan
    Explanation
    Viruses are not considered as cells because they lack cytoplasm and cell membrane. They are extremely small in size and can be crystallized. Additionally, viruses can only survive as true parasites, meaning they require a host cell to replicate and carry out their life cycle.

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  • 11. 

    Tahap saat kapsid yang terpisah-pisah antara kepala, ekor, dan serabut ekor menjadi rangkaian kapsid yang utuh adalah tahap ….

    • Injeksi

    • Perakitan

    • Melebur

    • Sintesis

    • Adsorbsi

    Correct Answer
    A. Perakitan
    Explanation
    During the assembly stage, the separate parts of the capsid, such as the head, tail, and tail fibers, come together to form a complete capsid structure. This process is known as "perakitan" or assembly.

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  • 12. 

    Dari kelompok penyakit ini, yang disebabkan oleh virus adalah ….

    • Cacar, trakom, tifus, influenza

    • Influenza, cacar, rabies, polio

    • Influenza, kolera, demam berdarah, TBC

    • Campak, radang paru-paru, polio, cacar

    • Influenza, kolera, demam berdarah, polio

    Correct Answer
    A. Influenza, cacar, rabies, polio
    Explanation
    The correct answer is "Influenza, cacar, rabies, polio." This is because the question asks which diseases are caused by viruses, and these four diseases are all caused by viral infections.

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  • 13. 

    Ukuran virus sangat kecil, yaitu ….

    • 10 milimikron

    • 20 – 300 milimikron

    • 1 – 3 milimikron

    • 200 – 3000 milimikron

    • 5.

    Correct Answer
    A. 20 – 300 milimikron
    Explanation
    The correct answer is 20 – 300 milimikron. This is because viruses are extremely small in size, typically ranging from 20 to 300 milimikron. Milimikron is a unit of measurement used to describe the size of particles, and in this case, it refers to the size range of viruses.

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  • 14. 

    Enzim yang dihasilkan oleh virus yang dapat memecahkan dinding sel bakteri disebut …

    • Lisozim

    • Lisogenik

    • Lismin

    • Litik

    • Neuraminidase

    Correct Answer
    A. Lisozim
    Explanation
    Enzim yang dihasilkan oleh virus yang dapat memecahkan dinding sel bakteri disebut lisozim. Lisozim bekerja dengan menghancurkan peptidoglikan dalam dinding sel bakteri, yang mengakibatkan lisis atau pecahnya sel bakteri. Hal ini memungkinkan virus untuk melepaskan diri dan melanjutkan siklus replikasinya.

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  • 15. 

    Setelah dinding sel terhidrolis (rusak) maka DNA fag masuk ke dalam sel bakteri disebut fase

    • Fase penetrasi

    • Fase absorpsi

    • Fase perakitan

    • Fase pembebasan

    • Fase replikasi dan sintesis.

    Correct Answer
    A. Fase penetrasi
    Explanation
    After the cell wall is hydrolyzed (damaged), the phage DNA enters the bacterial cell. This process is known as the penetration phase.

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  • 16. 

    Ekor virus menempel pada dinding bakteri terjadi pada tahap ….

    • Perakitan

    • Injeksi

    • Adsorbsi

    • Melebur

    • Sintesis

    Correct Answer
    A. Adsorbsi
    Explanation
    During the process of adsorption, the tail of the virus attaches itself to the wall of the bacteria. This is an important step in the viral life cycle as it allows the virus to gain entry into the bacterial cell and initiate infection. The adsorption process is necessary for the subsequent steps of the viral replication, such as injection of viral genetic material into the host cell and synthesis of new viral particles. Therefore, the correct answer is adsorbsi.

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  • 17. 

    Virus yang hanya menyerang kera dan manusia dengan gejala pendarahan di dalam dan di luar tubuh disebut dengan virus ….

    • Hepatitis

    • Demam berdarah

    • Ebola

    • Herpes

    • Typus

    Correct Answer
    A. Ebola
    Explanation
    Ebola is the correct answer because it is a virus that specifically affects humans and primates, including monkeys and apes. It causes severe symptoms such as internal and external bleeding, fever, and organ failure. The Ebola virus is transmitted through direct contact with infected bodily fluids and has caused several outbreaks in Africa, with high mortality rates.

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  • 18. 

    Saat DNA virus masuk ke dalam sel bakteri adalah pada tahap ….

    • Perakitan

    • Melebur

    • Sintesis

    • Injeksi

    Correct Answer
    A. Injeksi
    Explanation
    When a DNA virus enters a bacterial cell, it does so through the process of injection. This means that the virus injects its genetic material into the bacterial cell, bypassing the need for the virus to enter the cell itself. This is a common method used by bacteriophages, which are viruses that specifically infect bacteria. Once the viral DNA is injected into the bacterial cell, it can then hijack the host cell's machinery to replicate and produce more viruses.

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  • 19. 

    Campak disebabkan oleh virus …. 

    • Paramyxovirus

    • Orthomyxovirus Orthomyxovirus

    • Avian influenza

    • Adenovirus

    • Retrovirus

    Correct Answer
    A. Paramyxovirus
    Explanation
    Paramyxovirus is the correct answer because campak, which is the Indonesian term for measles, is caused by this type of virus. Measles is a highly contagious viral infection that primarily affects children and is characterized by a red rash, high fever, cough, runny nose, and red, watery eyes. Paramyxovirus is a family of viruses that includes the measles virus, making it the most appropriate choice for the cause of campak.

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  • 20. 

    Flu burung adalah penyakit menular yang disebabkan oleh virus yang biasanya menjangkit unggas. Penyebab penyakit ini termasuk golongan virus influenza …..

    • Tipe A

    • Tipe B

    • Tipe C

    • Jawaban A dan B benar

    • Semua jawaban benar

    Correct Answer
    A. Tipe A
    Explanation
    The correct answer is "Tipe A" because the passage states that bird flu is caused by a virus, and the types of influenza viruses that cause bird flu are type A. Type B and C are not mentioned in the passage as causes of bird flu. Therefore, the correct answer is type A.

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  • 21. 

    Which one do you like?

    • Option 1

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Option 1
  • 22. 

    Which one do you like?

    • Option 1

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Option 1
  • 23. 

    Pada bakterifag , kaki serabutnya merupakan perpanjangan ekor yang berfungsi untuk ….

    • Menanjankan diri ke bakteri

    • Menancapkan diri ke b erbagai substrat

    • Bergeraknya bakteri

    • Bergeraknya virus

    • Reproduksi virus

    Correct Answer
    A. Menanjankan diri ke bakteri
    Explanation
    The correct answer is "Menanjankan diri ke bakteri." In bacteriophages, the tail fibers are extensions of the tail that function to attach and inject the genetic material of the virus into the bacterial host. They help the bacteriophage to recognize and bind to specific receptors on the surface of the bacteria, allowing for the infection process to occur.

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  • 24. 

    Fag menyusun dan memperbanyak DNA merupakan fase ....... dalam infeksi secara......

    • Fase sintesis dalam litik

    • Fase sintesis dalam lisogenik

    • Fase absorpsi dalam litik

    • Fase replika dalam lisogenik

    • Fase repllika dalam litik

    Correct Answer
    A. Fase repllika dalam litik
    Explanation
    The correct answer is "Fase replika dalam litik". This is because during the lytic cycle of viral infection, the virus takes over the host cell's machinery to replicate its own DNA. This phase is known as the replication phase, where the viral DNA is synthesized and multiplied within the host cell.

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  • 25. 

    Seorang ilmuan bernama …… menyimpulkan bahwa partikel yang yang menyerang tembakau tersebut sangat kecil dan hanya dapat hidup pada makhluk hidup yang diserangnya. Akan tetapi  teori ini belum berhasil menemukan struktur dan jenis partikel ini.

    • Wendell Stanley

    • Martinus Beijerinck

    • Antony van Leewenhoek

    • Dmitri Ivanovski

    • Adolf mayer

    Correct Answer
    A. Martinus Beijerinck
    Explanation
    Martinus Beijerinck is the correct answer because he is known for his work on the discovery of viruses. The statement in the question about the scientist concluding that the attacking particles are very small and can only live on the organisms they attack aligns with Beijerinck's findings. He is credited with developing the concept of "virus" and his research laid the foundation for the field of virology. Although the question does not explicitly mention viruses, the clues provided about the size and behavior of the particles point to Beijerinck's work.

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  • 26. 

    Berikut ini adalah struktur virus, kecuali ....

    • Virus bersifta aseluler

    • Virus berukuran lebih kecil drai bakteri

    • Virus hanya memiliki RNA dan DNA saja

    • Bisa di kristalkan

    • Tubuh tersusun dari asam nukleat

    Correct Answer
    A. Virus hanya memiliki RNA dan DNA saja
    Explanation
    The given statement suggests that viruses only have RNA and DNA. However, this is incorrect. Viruses can have either RNA or DNA, but not both. Some viruses have RNA as their genetic material, while others have DNA. Therefore, the statement that viruses only have RNA and DNA is not true.

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  • 27. 

    Asam nukleat pada virus diselubungi oleh kapsid yang disebut …..

    • DNA

    • RNA

    • Selubung membran

    • Nukleokapsid

    • Kapsomer

    Correct Answer
    A. DNA
    Explanation
    The correct answer is DNA. Viruses have genetic material in the form of either DNA or RNA. In this case, the question is asking about the nucleic acid that is surrounded by a capsid. The capsid is the protein coat that protects the viral genetic material. Since the question is asking specifically about the nucleic acid, the correct answer is DNA.

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  • 28. 

    Contoh dari Nukleokapsid yang telanjang. Kecuali ......

    • TMV

    • Adenovirus

    • Virus kutil

    • Virus influenza

    • Wart virus

    Correct Answer
    A. Virus influenza
    Explanation
    The correct answer is "Virus influenza." Influenza virus is an example of a naked nucleocapsid, meaning it lacks an envelope or outer membrane. This is in contrast to viruses like adenovirus, wart virus, and some others that have an envelope surrounding their nucleocapsid. The term "naked" refers to the absence of this envelope, making influenza virus a suitable example for this category.

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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 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 08, 2015
    Quiz Created by
    ViraAgustinS
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