Biology B Microbes Test
Test on microbes
Questions and Answers
- 1.
Why is a classification system necessary?
- A.
People have a common basis, living things placed in groups, HUGE diversity of living things, It's easier to look for living things, the system is consistent.
- B.
Because Mrs. Berger said so.
- C.
Living things are placed in teams.
Correct Answer
A. People have a common basis, living things placed in groups, HUGE diversity of living things, It's easier to look for living things, the system is consistent.Explanation
A classification system is necessary because it provides a common basis for organizing and understanding the huge diversity of living things. By placing living things into groups, it becomes easier to locate and study specific organisms. Additionally, a classification system ensures consistency in the way living things are categorized and named, allowing for effective communication and collaboration among scientists. The statement "Because Mrs. Berger said so" is not a valid explanation and does not provide any reasoning for why a classification system is necessary.Rate this question:
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- 2.
Who developed the first classification system?
- A.
George Bush
- B.
Aristotle
- C.
Thomas Jefferson
- D.
Linnaeus
Correct Answer
B. AristotleExplanation
Aristotle is credited with developing the first classification system. He was a Greek philosopher and scientist who categorized organisms based on their similarities and differences. His system, known as the "Scala Naturae" or "Ladder of Life," classified living organisms into a hierarchical structure based on their complexity and characteristics. This system laid the foundation for modern taxonomy and classification of species.Rate this question:
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- 3.
Who developed the classification system WE use now?
- A.
Aristotle
- B.
Oprah
- C.
Linnaeus
Correct Answer
C. LinnaeusExplanation
Linnaeus developed the classification system that we use now. His system, known as binomial nomenclature, involved giving each organism a unique two-part scientific name. This system revolutionized the way organisms are classified and organized, providing a standardized method for identifying and categorizing species. Linnaeus's work laid the foundation for modern taxonomy and his system is still widely used by scientists today.Rate this question:
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- 4.
There are 6 kingdoms what are they?
- A.
Kingdom,phylum,class,order,family,genus,species
- B.
Phylum,kingdom,class size,species,color
- C.
Kingdom,size,color.class,order.genus
Correct Answer
A. Kingdom,phylum,class,order,family,genus,speciesExplanation
The correct answer is "Kingdom, phylum, class, order, family, genus, species." This is the correct order of the hierarchical classification system used in biology to categorize organisms. Starting with the broadest category, Kingdom, organisms are then classified into progressively more specific categories, including phylum, class, order, family, genus, and finally species. Each category represents a different level of relatedness and helps scientists organize and study the diversity of life on Earth.Rate this question:
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- 5.
Modern classification is based on:
- A.
RNA,DNA,Ribosomes
- B.
Ribosomes,Flagella,cell wall
- C.
DNA, cell structure,organism structure
Correct Answer
B. Ribosomes,Flagella,cell wall -
- 6.
Compare and contrast Protists and fungus
- 7.
What prevents you from not getting a disease?
- A.
Cell phone
- B.
Memory cell
- C.
Macrophage
Correct Answer
B. Memory cellExplanation
Memory cells are a type of white blood cell that are responsible for remembering previous infections or diseases. When the body is exposed to a specific pathogen for the first time, memory cells are created to recognize and respond to that specific pathogen in the future. This allows the immune system to mount a quicker and more effective response, preventing the person from getting the disease again. Therefore, memory cells play a crucial role in preventing the recurrence of a disease.Rate this question:
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- 8.
Characteristics of archaebacteria are:
- A.
Eukaryotic, made of chitin and cellulose
- B.
Eukaryotic,nucleus, 1 cell made of amino acids
- C.
Prokaryotic, no nucleus, 1 cell made of lipids ,live in extreme conditions
Correct Answer
C. Prokaryotic, no nucleus, 1 cell made of lipids ,live in extreme conditionsExplanation
The correct answer is "prokaryotic, no nucleus, 1 cell made of lipids, live in extreme conditions". This answer accurately describes the characteristics of archaebacteria. Archaebacteria are prokaryotic, meaning they do not have a nucleus. They are single-celled organisms made of lipids. Archaebacteria are known for their ability to survive in extreme conditions, such as high temperatures, high salinity, or acidic environments.Rate this question:
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- 9.
Characteristics of bacteria are:
- A.
1 celled eukaryotic
- B.
Prokaryotic, consumer or producer, 1 cell wall made of protein and has a flagella
Correct Answer
B. Prokaryotic, consumer or producer, 1 cell wall made of protein and has a flagellaExplanation
Bacteria are prokaryotic organisms, meaning they do not have a nucleus or membrane-bound organelles. They can be either consumers or producers, depending on their mode of obtaining energy. Bacteria have a cell wall made of protein, which provides structural support and protection. Some bacteria also have a flagella, a whip-like structure that allows them to move and navigate their environment.Rate this question:
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- 10.
Classification of protists are;
- A.
Multi celled, have a nucleus and organelle eukaryotic some move some don't heterotroph or autotroph odd kingdom
- B.
Multi celled don't have a nucleus prokaryotic
Correct Answer
A. Multi celled, have a nucleus and organelle eukaryotic some move some don't heterotroph or autotroph odd kingdomExplanation
The correct answer is "multi celled, have a nucleus and organelle eukaryotic some move some don't heterotroph or autotroph odd kingdom." This answer accurately describes the classification of protists. Protists are eukaryotic organisms, meaning they have a nucleus and other membrane-bound organelles. They can be either multicellular or unicellular. Some protists are capable of movement, while others are not. Additionally, protists can be either heterotrophic or autotrophic, depending on their mode of nutrition. The term "odd kingdom" refers to the fact that protists do not fit neatly into any of the other major kingdoms of life.Rate this question:
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- 11.
What happens during inflammation?
- A.
History is released through the mast cell
- B.
Histamine is released through the mast cell
Correct Answer
B. Histamine is released through the mast cellExplanation
During inflammation, histamine is released through the mast cell. Histamine is a chemical compound that is stored in mast cells and is released in response to injury or infection. It plays a crucial role in the inflammatory response by causing blood vessels to dilate, increasing blood flow to the affected area. This results in redness, swelling, and heat, which are characteristic symptoms of inflammation. Histamine also attracts immune cells to the site of inflammation, aiding in the healing process. Therefore, the release of histamine through mast cells is an important mechanism in the body's response to inflammation.Rate this question:
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- 12.
You get a cut what line of defense would be involved?
- A.
1st
- B.
3rd
- C.
All 3
- D.
2nd
Correct Answer
C. All 3Explanation
All 3 lines of defense would be involved in getting a cut. The first line of defense includes physical barriers like the skin and mucous membranes that prevent pathogens from entering the body. The second line of defense involves the innate immune response, which includes inflammation and the activation of immune cells to fight off any pathogens that manage to enter the body. The third line of defense is the adaptive immune response, where specific immune cells called lymphocytes recognize and target specific pathogens to eliminate them from the body. Therefore, all three lines of defense would be involved in responding to a cut.Rate this question:
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- 13.
What is the first line of defense?
- A.
Skin,sweat,saliva,tears mucus, stomach acid
- B.
Stomach acid, amino acid, acid
- C.
Macrophage,Neutrophil,Mast cell
Correct Answer
A. Skin,sweat,saliva,tears mucus, stomach acidExplanation
The first line of defense refers to the body's external physical and chemical barriers that protect against pathogens. These include the skin, which acts as a physical barrier, sweat and saliva, which contain enzymes that can kill certain bacteria, tears and mucus, which help to flush out pathogens, and stomach acid, which is highly acidic and can destroy many pathogens.Rate this question:
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- 14.
How does a vaccine work?
- A.
Not sure
- B.
B cells attack
- C.
T cells attack
- D.
You get a shot w/ inactive virus then b cells make plasma cells that make antibodies which make memory cells. Stopping you from getting sick.
Correct Answer
D. You get a shot w/ inactive virus then b cells make plasma cells that make antibodies which make memory cells. Stopping you from getting sick.Explanation
The correct answer explains that a vaccine works by administering a shot containing an inactive virus. This stimulates B cells to produce plasma cells, which in turn produce antibodies. These antibodies help in fighting off the virus and also create memory cells, which provide long-term immunity against the virus, preventing the person from getting sick.Rate this question:
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- 15.
The second line of defense includes:
- A.
Macrophage, Neutrophil,chloroplast
- B.
Macrophage,Neutrophil,Natural killer cell, Mast cell, Interferon
Correct Answer
B. Macrophage,Neutrophil,Natural killer cell, Mast cell, InterferonExplanation
The second line of defense includes Macrophage, Neutrophil, Natural killer cell, Mast cell, and Interferon. These components play crucial roles in the immune system's response to infections. Macrophages and neutrophils are phagocytes that engulf and destroy pathogens. Natural killer cells target and kill infected cells. Mast cells release chemicals that trigger inflammation. Interferons are proteins that help to inhibit viral replication and spread. Together, these components work together to provide a stronger and more specific immune response than the first line of defense.Rate this question:
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- 16.
What is the 3rd line of defense?
- A.
T cell, B cell, Plasma cell, Memory cell, Macrophage
- B.
B Cell, T Cell
- C.
T Cell A Cell
- D.
C Cell
Correct Answer
A. T cell, B cell, Plasma cell, Memory cell, MacrophageExplanation
The correct answer is T cell, B cell, Plasma cell, Memory cell, Macrophage. The third line of defense refers to the adaptive immune response, which involves specialized cells like T cells and B cells. T cells recognize and destroy infected cells, while B cells produce antibodies that neutralize pathogens. Plasma cells are a type of B cell that secretes large amounts of antibodies. Memory cells are long-lived cells that "remember" previous infections, providing a faster and more effective response upon reinfection. Macrophages are immune cells that engulf and destroy pathogens.Rate this question:
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Mar 20, 2023Quiz Edited by
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Apr 28, 2009Quiz Created by
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