Biology Viruses And Bacteria

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  • 1/13 Questions

    How does a virus reproduce?

    • With a female virus
    • By controlling a cell to make copies
    • They cant reproduce
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About This Quiz

Explore the intriguing world of microorganisms in the 'Biology Viruses and Bacteria' quiz. Understand the characteristics of viruses like the common cold, their omnipresence, and structural components such as the protein coat. Learn about bacteria types like tetanus and compare the sizes of viruses and bacteria.

Biology Viruses And Bacteria - Quiz

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  • 2. 

    How does a virus get energy?

    • It produces energy

    • From host cell

    • They dont need it

    Correct Answer
    A. From host cell
    Explanation
    A virus gets energy from the host cell because it lacks the necessary cellular machinery to produce energy on its own. Once inside a host cell, the virus hijacks the cell's metabolic processes and utilizes its resources to replicate and produce new viral particles. This energy acquisition from the host cell is crucial for the virus's survival and propagation within the host organism.

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  • 3. 

    Where are viruses found?

    • Almost everywhere

    • Everywhere

    Correct Answer
    A. Everywhere
    Explanation
    only bacteria is found almost anywhere because they aren't found in the cell itself.

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  • 4. 

    What do all viruses have?

    • Protein Coat (capsid)

    • DNA or RNA

    • Bacilli

    • Flagella

    Correct Answer(s)
    A. Protein Coat (capsid)
    A. DNA or RNA
    Explanation
    only some bacteria have flagella not viruses

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  • 5. 

    Which of the following statements about viruses and bacteria is correct?

    • Both viruses and bacteria are living organisms. 

    • Viruses are smaller than bacteria. 

    • Both viruses and bacteria can be treated with antibiotics. 

    • Viruses can reproduce independently, while bacteria require a host cell.  

    Correct Answer
    A. Viruses are smaller than bacteria. 
    Explanation
    Viruses are significantly smaller than bacteria. They are typically measured in nanometers, while bacteria are measured in micrometers. This size difference reflects their fundamental structural differences: viruses are simple particles consisting of genetic material and a protein coat, while bacteria are single-celled organisms with a more complex cellular structure.

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  • 6. 

    Unlike bacteria, viruses cannot reproduce on their own and require a __________ cell to replicate.

    Correct Answer
    Host, host
    Explanation
    Viruses are essentially genetic material (DNA or RNA) enclosed in a protein coat. They lack the cellular machinery necessary for independent reproduction. To replicate, viruses must infect a living host cell and hijack its machinery to produce new viral particles. This dependence on a host cell is a key distinction between viruses and bacteria, which can reproduce independently through processes like binary fission.

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  • 7. 

    How do viruses move?

    • By fluid blood

    • By hand contact

    • by the use of flagella

    Correct Answer(s)
    A. By fluid blood
    A. By hand contact
    Explanation
    only bacteria have flagellum viruses dont

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  • 8. 

    How does bacteria get transmitted?

    • Hands

    • Insects

    • Cold weather

    • Microwaved food unproperly

    Correct Answer(s)
    A. Hands
    A. Insects
    A. Microwaved food unproperly
    Explanation
    Bacteria can be transmitted through various means, including hands, insects, and improperly microwaved food. Hands can easily pick up bacteria from contaminated surfaces and transfer them to other objects or people through touch. Insects, such as flies or cockroaches, can carry bacteria on their bodies or in their digestive systems, spreading them when they come into contact with food or surfaces. Improperly microwaved food can also harbor bacteria if it is not heated to a high enough temperature to kill them. Therefore, all three options mentioned in the answer can contribute to the transmission of bacteria.

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  • 9. 

    How does bacteria move?more then one answer

    • Move by rushing fluid

    • Move by flagellum

    • By attaching itself to cells

    Correct Answer(s)
    A. Move by rushing fluid
    A. Move by flagellum
    Explanation
    Bacteria can move in multiple ways. One way is by rushing fluid, where they use the flow of liquid to propel themselves forward. Another way is through the use of flagella, which are whip-like structures that rotate and allow bacteria to swim. These two mechanisms enable bacteria to move efficiently and explore their environment.

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  • 10. 

    What are examples of Viruses?

    • Ecoil

    • Tetanus

    • Common Cold

    • Flu

    • HIV

    • Herpes

    • Chicken Pox

    Correct Answer(s)
    A. Common Cold
    A. Flu
    A. HIV
    A. Herpes
    A. Chicken Pox
    Explanation
    The given examples of viruses include common cold, flu, HIV, herpes, and chicken pox. These are all viral infections that are caused by different types of viruses. The common cold and flu are caused by different strains of the influenza virus, while HIV is caused by the human immunodeficiency virus. Herpes is caused by the herpes simplex virus, and chicken pox is caused by the varicella-zoster virus. These viruses can cause a range of symptoms and can be transmitted from person to person through various means.

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  • 11. 

    An heterotroph is a bacteria which gets its energy from

    Correct Answer(s)
    autotrophs
    eating
    Explanation
    Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy. In this case, the bacteria mentioned is a heterotroph that obtains its energy by consuming autotrophs. Autotrophs, on the other hand, are organisms capable of producing their own food through processes like photosynthesis. Therefore, the bacteria in question obtains its energy by feeding on autotrophs.

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  • 12. 

    How does bacteria get energy

    • They dont need it

    • Binary fission

    • Conjuction

    • Mitosis

    Correct Answer(s)
    A. Binary fission
    A. Conjuction
    Explanation
    Bacteria obtain energy through a process called binary fission, which is a form of asexual reproduction. During binary fission, a single bacterium divides into two identical daughter cells. This process allows bacteria to multiply and increase their population. Conjugation, on the other hand, is a method of genetic exchange between bacteria, but it does not directly provide them with energy. Mitosis is a process that occurs in eukaryotic cells, not bacteria, where a single cell divides into two identical daughter cells.

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  • 13. 

    What are types of bacteria?

    • Tetanus

    • Authorax

    • Salmonella

    • Streptococci

    • Pneumonia

    • Ecoil

    • Staphlorocco

    Correct Answer(s)
    A. Tetanus
    A. Salmonella
    A. Streptococci
    A. Pneumonia
    A. Staphlorocco
    Explanation
    The given answer lists various types of bacteria, including tetanus, salmonella, streptococci, pneumonia, and staphlorocco. These are all different species of bacteria that can cause various infections and diseases in humans and animals. Tetanus is caused by the bacterium Clostridium tetani, salmonella is caused by various species of the Salmonella bacteria, streptococci refers to a group of bacteria belonging to the Streptococcus genus, pneumonia is caused by different types of bacteria such as Streptococcus pneumoniae, and staphlorocco likely refers to Staphylococcus aureus, a common bacteria that can cause infections.

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  • Current Version
  • Jan 08, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 09, 2011
    Quiz Created by
    Tamir22
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