Goal 7: Microbiology
This quiz will help you review microbiology.
- 1.
Which event will not hinder bacterial growth?
- A.
Other bacterial strains
- B.
Having a good nutrient supply
- C.
Environmental space
- D.
Build up of wastes
Correct Answer
B. Having a good nutrient supplyExplanation
Bacterial strains, the build up of wastes, and not having enough environmental space will hinder bacterial growth. But having plenty of nutrients will increase bacterial growth.Rate this question:
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- 2.
How do bacteria not help humans?
- A.
They cause diseases
- B.
They make food products
- C.
They help digest foods
- D.
They eat harmful microbes
Correct Answer
A. They cause diseasesExplanation
All statements are true of bacteria, however the fact that they are responsible for causing dieseases does not help humans.Rate this question:
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- 3.
Which relationship correctly illustrates the size difference between viruses and bacteria?
- A.
Bowling ball and soccer ball
- B.
Volleyball and beach ball
- C.
Basketball and bowling ball
- D.
Soccer ball and golf ball
Correct Answer
D. Soccer ball and golf ballExplanation
Golf ball is comparable to viruses (because it is the smallest type of ball) and soccer ball is comparable to bacteria because it is small but larger than golf ball.Rate this question:
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- 4.
Which statement below correctly identifies the reason why viruses are not considered alive?
- A.
They have DNA and/or RNA
- B.
They have a protein coat
- C.
They are really small
- D.
They can only reproduce inside of cells
Correct Answer
D. They can only reproduce inside of cellsExplanation
while all choices are true of viruses, the fact that they need cells for reproduction is the only answer that has to do with the virus not being alive.Rate this question:
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- 5.
What are 2 identifying symptoms of bacterial miningitis?
- A.
Fever and rash
- B.
Muscle spasms and diarrhea
- C.
Neck stiffness and headache
- D.
Chills and stomach cramps
Correct Answer
C. Neck stiffness and headacheExplanation
Symptoms include: severe headache, neck stiffness, high fever, swelling of the tissues surrounding the brain and spinal cordRate this question:
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- 6.
Which type of infection is controlled with antibiotics?
- A.
Bacterial infection
- B.
Viral infection
- C.
Fungal infection
- D.
Infections cannot be controlled with antibiotics
Correct Answer
A. Bacterial infectionExplanation
Antibiotics kill bacteria; anti-fungals kill fungal infections; anti-virals eliminate viruses reproduction.Rate this question:
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- 7.
Which disease below is controlled with a vaccine?
- A.
Malaria
- B.
Typhoid fever
- C.
Polio
- D.
Heart disease
Correct Answer
C. PolioExplanation
Heart disease is controlled by diet and healthy lifestyle choices. Malaria is controlled by eliminating mosquito populations. There is a vaccine for polio that you take when you are a baby.Rate this question:
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- 8.
Which individual will likely develop a disease?
- A.
A 40 year old marathon runner
- B.
A 30 year old homemaker
- C.
A 20 year old football player
- D.
A 80 year old nurse
Correct Answer
D. A 80 year old nurseExplanation
Since the 80 year old is considered old that will increase her chances of becoming ill, plus since she is a nurse she is going to be exposed to others who are sick, also increasing her chances of becoming ill.Rate this question:
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- 9.
Which condition below does not contribute to the development of disease?
- A.
Dirty home
- B.
Compromised immune system
- C.
Living in close proximity to others
- D.
Wearing yellow shirts
Correct Answer
D. Wearing yellow shirtsExplanation
Your shirt color has nothing to do wtih whether or not you will get a disease.Rate this question:
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- 10.
What is the main difference between communicable disease (CD) and non-communicable disease (NCD)?
- A.
CD are viruses only, and NCD include all other types of disease
- B.
CD are contracted early in life, and NCD are contracted later in life
- C.
CD are passed from child to adult, NCD are caused by heredity and passed from adult to child
- D.
CD are passed from person to person, and NCD are not passed from person to person
Correct Answer
D. CD are passed from person to person, and NCD are not passed from person to personExplanation
Communicable means that it can be spread. Non-communicable means that it can not be spread.Rate this question:
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- 11.
Which of the following is not a strategy for increasing crop yields?
- A.
Decreasing weeds
- B.
Decreasing pests
- C.
Increasing the growth rate of the crop plant
- D.
Decreasing the number of crop plants
Correct Answer
D. Decreasing the number of crop plantsExplanation
Crop yield is how much product the farmer can get out of his farmland. Since decreasing the number of crop plants is going to decrease the crop yield, this would not be a strategy for increasing crop yield.Rate this question:
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- 12.
What would be the result of removing bacteria from the intestine of a human?
- A.
Improved digestion
- B.
More digestive problems
- C.
Decreased vitamin A absorption
- D.
Increased disease resistance
Correct Answer
B. More digestive problemsExplanation
Since bacteria help us digest our food, if we were to remove them we would lose some of our ability to digest our food.Rate this question:
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- 13.
Which of the following is not a criticism of transgenic crops?
- A.
They do not grow as large or produce as much
- B.
They can cross pollinate with wild plants
- C.
They can cause allergies in humans
- D.
They can cause unknown diseases in humans
Correct Answer
A. They do not grow as large or produce as muchExplanation
Transgenic crops are plants that have the DNA from a different type of plant added to them so that they will produce more crops, will resist disease, will grow faster or bloom at a different time of the year.Rate this question:
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- 14.
A student wants to be a bioengineer. Which of the following fields would not be a proper field of study for him to choose in college?
- A.
Biochemistry
- B.
Microbiology
- C.
Social studies
- D.
Pharmacology
Correct Answer
C. Social studiesExplanation
All of the other fields are science-related. Social studies is not.Rate this question:
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- 15.
Golden rice is a bioengineered form of rice that has a high vitamin A content. What is golden rice attempting to do?
- A.
Grow rice in salty soil
- B.
Grow rice under drought conditions
- C.
Create a better looking rice
- D.
Create rice that contains more nutrients
Correct Answer
D. Create rice that contains more nutrientsExplanation
Since it has more vitamin A it will be more nutrious.Rate this question:
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- 16.
What is a vector?
- A.
An individual infected with a disease who is coughing and sneezing
- B.
An asymptomatic individual infected with a disease
- C.
A smaller organism that transmits a disease to larger organisms
- D.
A dirty home that harbors good habitat for mosquitoes, rats, and roaches
Correct Answer
C. A smaller organism that transmits a disease to larger organismsExplanation
Vectors are small organisms that carry diseases without getting sick from the disease themselves. Examples: ticks and mosquitoes.Rate this question:
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- 17.
Idenitfy the person below who is a symptomatic carrier of the flu virus?
- A.
A person who appears normal but has a red rash
- B.
A normal healthy person
- C.
A mosquito
- D.
A person who is coughing and sneezing
Correct Answer
D. A person who is coughing and sneezingExplanation
Symptomatic means showing signs of the disease. Symptoms include: coughing, sneezing, headaches and feverRate this question:
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- 18.
Which factor below does not increase the rate of disease?
- A.
Dirty living conditions
- B.
Increased exposure to vectors
- C.
Vaccinations
- D.
Increased contact with others
Correct Answer
C. VaccinationsExplanation
Vaccines work to eliminate disease not increase them.Rate this question:
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- 19.
Which factor below decreases the rate of disease?
- A.
Increased population density
- B.
Increased age of individual
- C.
Proper diet and exercise
- D.
Contact with vectors
Correct Answer
C. Proper diet and exerciseExplanation
Healthy lifestyle choices help to protect you from diseases.Rate this question:
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- 20.
How do antibiotics stop diseases?
- A.
By killing bacteria
- B.
By exposing the immune system to weakend particles
- C.
By killing unwanted animal vectors
- D.
By dissolving
Correct Answer
A. By killing bacteriaExplanation
B is how anti-virals work. Antibiotics could not kill vectors and D has nothing to do with how antibiotics work.Rate this question:
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- 21.
Which situation below would be an appropriate use of antimicrobial solutions?
- A.
During routine home cleaning
- B.
Instead of regular hand washing
- C.
Before and during surgery
- D.
Each time you wash your clothes
Correct Answer
C. Before and during surgeryExplanation
Antimicrobials should not be used for every day situations. Over-use of them will cause microbes to become resistant to the material and then we will have to create new antimicrobial solutions.Rate this question:
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- 22.
How is biotechnology not used in medicines?
- A.
Cloning
- B.
To create cheaper drugs
- C.
During gene therapy
- D.
To clean and purify water
Correct Answer
D. To clean and purify waterExplanation
Answer choice D is the only answer that does not deal with medicines.Rate this question:
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- 23.
What is one product of agricultural biotechnology?
- A.
Transgenic crops
- B.
Cheaper drugs
- C.
Cheaper genetic testing techniques
- D.
Cheaper water sources
Correct Answer
A. Transgenic cropsExplanation
Answer choice A is the only answer that deals with the agricultural field (farming).Rate this question:
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- 24.
Which is not part of the ethical concerns surrounding biotechnology?
- A.
Development of healthier foods
- B.
Ownership of genetic information
- C.
Allergic responses to transgenic foods
- D.
Creation of designer children
Correct Answer
A. Development of healthier foodsExplanation
Everyone wants to see healthier foods made, but the other concerns have raised some questions in the scientific community.Rate this question:
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- 25.
What area does not use biotechnology?
- A.
Food production
- B.
Animal breeding
- C.
Sanitation
- D.
Geography
Correct Answer
D. GeographyExplanation
Geography has nothing to do with biotechnology.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Jan 24, 2013Quiz Edited by
ProProfs Editorial Team -
Apr 25, 2011Quiz Created by
Abrewingtonclint
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