Introduction To Bacteria: Trivia Quiz!
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Questions and Answers
- 1.
Select ALL choices that accurately describe bacteria.
- A.
Unicellular
- B.
Prokaryotic
- C.
Eukaryotic
- D.
Microscopic
- E.
Can be found on most surfaces
- F.
On you right now
Correct Answer(s)
A. Unicellular
B. Prokaryotic
D. Microscopic
E. Can be found on most surfaces
F. On you right nowExplanation
Bacteria are unicellular organisms, meaning they are made up of a single cell. They are prokaryotic, which means they lack a nucleus and other membrane-bound organelles. Bacteria are microscopic, meaning they are too small to be seen with the naked eye. They can be found on most surfaces, as they are present in various environments such as soil, water, and even on the human body. Therefore, it is possible for bacteria to be found on you right now.Rate this question:
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- 2.
Some E. coli bacteria can make you sick, whereas others are helpful.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
This statement is true because there are different strains of E. coli bacteria, some of which can cause illness in humans, while others are beneficial and play a role in digestion and other bodily functions. Therefore, it is accurate to say that some E. coli bacteria can make you sick, whereas others are helpful.Rate this question:
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- 3.
Choose the 3 shapes that bacteria come in.
- A.
Bacilli (rod-shaped)
- B.
Cocci (round)
- C.
Spiral-shaped
- D.
Tubin (tube-shaped)
Correct Answer(s)
A. Bacilli (rod-shaped)
B. Cocci (round)
C. Spiral-shapedExplanation
Bacteria can come in various shapes, and the three shapes mentioned in the answer are bacilli (rod-shaped), cocci (round), and spiral-shaped. Bacilli are cylindrical or rod-shaped bacteria, cocci are spherical or round-shaped bacteria, and spiral-shaped bacteria have a spiral or corkscrew-like shape. These different shapes allow bacteria to adapt to different environments and perform various functions.Rate this question:
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- 4.
How do bacteria reproduce?
- A.
Meiosis and fertilization
- B.
Divide in half
- C.
Female and male bacteria mate
- D.
Each bacteria is both male and female
Correct Answer
B. Divide in halfExplanation
Bacteria reproduce through a process called binary fission, where they divide in half to create two identical daughter cells. This is the most common method of bacterial reproduction and allows for rapid population growth. Meiosis and fertilization are processes that occur in sexual reproduction, which is not typically observed in bacteria. Similarly, while bacteria can exchange genetic material through a process called conjugation, it does not involve a distinct male and female mating. Therefore, the correct answer is that bacteria reproduce by dividing in half.Rate this question:
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- 5.
Select ALL the choices that demonstrate how different bacteria obtain energy (food). Some bacteria __________________________
- A.
Are photosynthetic.
- B.
Are producers.
- C.
are consumers.
- D.
Scavenge for food.
- E.
Attack other organisms for food.
- F.
Attack viruses for food.
- G.
Consume metallic objects.
Correct Answer(s)
A. Are photosynthetic.
B. Are producers.
C. are consumers.
D. Scavenge for food.
E. Attack other organisms for food.Explanation
Bacteria can obtain energy through various methods. Some bacteria are photosynthetic, meaning they can convert sunlight into energy. Others are producers, which means they can produce their own food through processes like chemosynthesis. Bacteria can also be consumers, meaning they obtain energy by consuming organic matter. Some bacteria scavenge for food, meaning they feed on dead or decaying organic material. Additionally, certain bacteria attack other organisms for food, which is known as predation.Rate this question:
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- 6.
What is a pathogen?
- A.
A microorganism that makes you sick.
- B.
A series of chemical reactions
- C.
A series of steps that bacteria follow to reproduce
- D.
A bacterium before it reaches maturity
Correct Answer
A. A microorganism that makes you sick.Explanation
A pathogen is a microorganism that causes disease or makes a person sick. Pathogens can include bacteria, viruses, fungi, and parasites. They invade the body and can disrupt normal bodily functions, leading to illness or infection. The correct answer accurately describes a pathogen as a microorganism that causes sickness.Rate this question:
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- 7.
How do pathogenic bacteria make you ill?
- A.
Produce toxins
- B.
Insert themselves into your white blood cells
- C.
Insert DNA into your white blood cells
- D.
Pathogenic bacteria are harmless
Correct Answer
A. Produce toxinsExplanation
Pathogenic bacteria make you ill by producing toxins. These toxins can damage cells and tissues in the body, leading to various symptoms and diseases. They can disrupt normal cellular processes, cause inflammation, and even destroy cells. The toxins can affect different organs and systems, depending on the specific bacteria and the site of infection. This is one of the mechanisms by which pathogenic bacteria cause illness and harm to the host.Rate this question:
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- 8.
All bacteria are pathogenic.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is false because not all bacteria are pathogenic. Pathogenic bacteria are those that can cause disease in humans or other organisms, but there are many bacteria that are beneficial or harmless to humans. In fact, our bodies are home to trillions of bacteria that help with digestion, produce vitamins, and support our immune system. Therefore, it is incorrect to say that all bacteria are pathogenic.Rate this question:
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- 9.
Most bacteria cause disease.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is false because most bacteria are actually harmless and do not cause disease. In fact, only a small percentage of bacteria are pathogenic and capable of causing infections in humans and animals. Many bacteria are beneficial and play important roles in various ecological processes, such as nutrient cycling and decomposition. Additionally, some bacteria are even used in the production of food and medicines. Therefore, it is incorrect to say that most bacteria cause disease.Rate this question:
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- 10.
In what ways can bacteria be helpful to humans?
- A.
Used to ferment meats
- B.
Help you digest food
- C.
Make yogurt
- D.
Fight viruses like the common cold
Correct Answer(s)
A. Used to ferment meats
B. Help you digest food
C. Make yogurtExplanation
Bacteria can be helpful to humans in various ways. They are used to ferment meats, which helps in preserving and enhancing the flavor of the meat. Bacteria also play a crucial role in the digestion process by breaking down complex carbohydrates and aiding in nutrient absorption. Additionally, bacteria are involved in the production of yogurt, which is a probiotic food that promotes gut health. However, bacteria do not directly fight viruses like the common cold.Rate this question:
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- 11.
Which 3 bacteria listed are harmful?
- A.
E. coli O157:H7
- B.
Salmonella
- C.
Staphylococcus
- D.
Lactobacillus
- E.
Pediococcus
Correct Answer(s)
A. E. coli O157:H7
B. Salmonella
C. StaphylococcusExplanation
E. coli O157:H7, salmonella, and staphylococcus are harmful bacteria because they can cause various illnesses and infections in humans. E. coli O157:H7 is commonly found in contaminated food and can cause severe gastrointestinal symptoms. Salmonella is another common foodborne bacteria that can cause salmonellosis, resulting in symptoms like diarrhea, fever, and abdominal cramps. Staphylococcus is a bacteria that can cause skin infections, pneumonia, and food poisoning. On the other hand, lactobacillus and pediococcus are beneficial bacteria commonly found in fermented foods and are not harmful to humans.Rate this question:
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- 12.
Which choices should you use to help keep you safe from pathogenic bacteria?
- A.
Cook food thoroughly
- B.
Wash your hands with regular soap
- C.
Wash your hands with antibacterial soap
- D.
Store food properly at the correct temperature
- E.
Keep warm when it is cold out and don't go out in the rain
Correct Answer(s)
A. Cook food thoroughly
B. Wash your hands with regular soap
D. Store food properly at the correct temperatureExplanation
The correct answer choices are cook food thoroughly, wash your hands with regular soap, and store food properly at the correct temperature. These choices are effective in preventing the growth and spread of pathogenic bacteria. Cooking food thoroughly kills any bacteria present, washing hands with regular soap helps remove bacteria from the hands, and storing food properly at the correct temperature prevents bacterial growth.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
May 22, 2017Quiz Created by
Mooneyja
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