Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

42 MCQs on Microbiology for Health Science with Answers - Exam 1 | BIOL 2250, Exams of Biology

Clayton State UniversityBiology
Prof. Renee E. Mcfarlane

Material Type: Exam; Professor: McFarlane; Class: Microbiology for Health Sci.; Subject: Biology; University: Clayton State University; Term: Fall 2008;

Typology: Exams

Pre 2010
On special offer
30 Points
Discount

Limited-time offer

Uploaded on 08/04/2009

koofers-user-rn2
koofers-user-rn2 🇺🇸

10 documents

1 / 6

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
BIOL 2250 – Microbiology for Health Sciences – Exam 1 Fall 2008
Instructor: Renee McFarlane
NAME _________________________________________
Mark your answers on BOTH the scantron sheet and on the test.
Write your name on the first page of the test and on the scantron answer sheet. If there is not an answer marked
on the test, then you will not receive credit for mistakes due to erasure.
The test is worth 100 points. The multiple-choice will be worth 80 points and the true/false questions are worth
a total of 20 points.
Please report any typos or numbering errors.
Finally, if a question is not clear, ASK for clarification. If you are confused about how to mark the
answers on your scantron sheet ASK! Credit will not be given for unasked questions.
1.Which of the following structures contains genes
for enzymes and antibiotic resistance?
a. plasmid
b. pili
c. capsule
d. plasma membrane
e. penicillin
2.A multicellular organism that has chitin cell walls
and absorbs organic materials is a(n) ________.
a. alga
b. bacterium
c. fungus
d. helminth
e. virus
3.Which one of the following does not belong with
the others?
a. cellulose
b. chitin
c. nucleus
d. peptidoglycan
4. Which of the following is the most important
structure related to microbial attachment to
cells?
a. flagellum
b. plasmid
c. peptidoglycan
d. glycocalyx
5. Which of the following does not belong with the
others?
a. Recycling elements
b. Human diseases
c. Sewage treatment
d. Bioremediation
e. Insect control
6. Which activity is an example of biotechnology?
a. Bacteria in the soil secreting an
antibiotic to kill competitors
b. Ms. McFarlane using a microscope to
study bacteria
c. Egyptians using moldy breads on
wounds
d. E. coli producing human insulin
e. Public health officials monitoring
diseases in a community
7. Archaea differ from bacteria because archaea
a. lack peptidoglycan.
b. lack nuclei.
c. use organic compounds for food.
d. reproduce by binary fission.
e. None of the above.
8. Koch’s postulates are criteria used to establish
that:
a. microbes are found on dust particles
1
pf3
pf4
pf5
Discount

On special offer

Partial preview of the text

Download 42 MCQs on Microbiology for Health Science with Answers - Exam 1 | BIOL 2250 and more Exams Biology in PDF only on Docsity!

Instructor: Renee McFarlane

NAME _________________________________________

Mark your answers on BOTH the scantron sheet and on the test.

Write your name on the first page of the test and on the scantron answer sheet. If there is not an answer marked

on the test, then you will not receive credit for mistakes due to erasure.

The test is worth 100 points. The multiple-choice will be worth 80 points and the true/false questions are worth

a total of 20 points.

Please report any typos or numbering errors.

Finally, if a question is not clear, ASK for clarification. If you are confused about how to mark the

answers on your scantron sheet ASK! Credit will not be given for unasked questions.

1.Which of the following structures contains genes for enzymes and antibiotic resistance? a. plasmid b. pili c. capsule d. plasma membrane e. penicillin 2.A multicellular organism that has chitin cell walls and absorbs organic materials is a(n) ________. a. alga b. bacterium c. fungus d. helminth e. virus 3.Which one of the following does not belong with the others? a. cellulose b. chitin c. nucleus d. peptidoglycan

  1. Which of the following is the most important structure related to microbial attachment to cells? a. flagellum b. plasmid c. peptidoglycan d. glycocalyx
  2. Which of the following does not belong with the others? a. Recycling elements b. Human diseases c. Sewage treatment d. Bioremediation e. Insect control
  3. Which activity is an example of biotechnology? a. Bacteria in the soil secreting an antibiotic to kill competitors b. Ms. McFarlane using a microscope to study bacteria c. Egyptians using moldy breads on wounds d. E. coli producing human insulin e. Public health officials monitoring diseases in a community
  4. Archaea differ from bacteria because archaea a. lack peptidoglycan. b. lack nuclei. c. use organic compounds for food. d. reproduce by binary fission. e. None of the above.
  5. Koch’s postulates are criteria used to establish that: a. microbes are found on dust particles

Instructor: Renee McFarlane

b. a specific microbe is the cause of a specific disease c. life forms can only arise from preexisting life forms d. a specific microbe should be classified in a specific kingdom e. microbes can be used to clean up toxic spills

  1. The difference between simple diffusion and facilitated diffusion is that facilitated diffusion a. can move materials from a higher concentration to a lower concentration. b. can move materials from a lower concentration to a higher concentration. c. requires ATP. d. requires transporter proteins. e. doesn’t require ATP.
  2. Ms. McFarlane inoculates Staphylococcus epidermis and Escherichia coli into a culture medium. Following incubation, only the E. coli grows in culture. What is the most likely explanation? a. Ms. McFarlane used too much E. coli b. The culture is contaminated c. The incubation temperature was incorrect d. The culture medium must be selective e. The culture medium must be differential.
  3. The addition of which of the following to a culture medium will neutralize acids? a. Buffers b. Sugars c. pH d. Heat e. Carbon
  4. Most bacteria increase in number through the process of: a. binary fission b. budding c. sporulation d. sexual reproduction
  5. By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration? a. Simple diffusion b. Facilitated diffusion c. Active transport d. Extracellular enzymes
  6. In the figure, which drawing is streptococci? a. a b. b c. c d. d e. e
  7. In the figure, which drawing represents an organism that can cause Lyme disease? a. a b. b c. c d. d e. e
  8. In the figure, which drawing is bacilli? a. A b. B c. C d. D e. E
  9. Most bacteria grow best at pH a. 1. b. 5. c. 7. d. 9. e. 14.
  10. The term “growth” when used for microorganisms, refers to: a. an increase in cell number b. production of endospores c. the age and size of the cell d. all of the above Use this typical growth curve to answer questions 19 –

Instructor: Renee McFarlane

negative cell wall? a. Figure A b. Figure B c. Both Figure A and B d. Neither Figure A nor B

  1. In figure, which diagram of a cell wall contains teichoic acids? a. Figure A b. Figure B c. Both Figure A and B d. Neither Figure A nor B
  2. What is the desired result of the streak plate technique? a. Cover the entire surface of the agar with a maximum amount of bacterial growth b. Determine the quantity of bacteria in the original culture c. Obtain growth of only Gram positive cocci d. Obtain well isolated bacterial colonies
  3. Which scientist deserves the credit for laying the idea spontaneous generation to rest? a. Joseph Lister b. Robert Koch c. Francesco Redi d. Louis Pasteur
  4. Which of the following cell structures has a role in the initiation of disease? a. Gram-positive cell wall b. Lipid B c. Cell membrane d. Fimbriae e. All answers are correct.
  5. Who recommended hand washing between patients to reduce infection and death following childbirth? a. Jenner b. Pasteur c. Hesse d. Semmelwise 35. A culture medium consisting of agar, human blood, and beef heart is a a. chemically defined medium. b. complex medium. c. selective medium. d. differential medium. e. reducing medium. 36. The Gram stain is used to classify cells based on differences in their a. cell wall b. nucleus c. cell membrane d. cytoplasm 37. Bacterial death will result from damage to which of the following structures? a. Cell wall b. Plasma membrane c. Proteins d. Nucleic acids e. All of the above Use the figure to answer questions 38-39.

Instructor: Renee McFarlane

  1. In the figure, which line best illustrates a mesophile at 5oC above its optimum temperature? a. Line A b. Line B c. Line C
  2. In the figure, which line best depicts an obligate anaerobe in the presence of O 2? a. Line A b. Line B c. Line C
  3. What is chemotaxis? a. A key metabolic function to all bacterial cells b. The process of two bacterial cells combining to exchange genetic material c. A response to a light stimulus d. A response to a chemical stimulus
  4. A student studying helminths is working with bacteria. a. True b. False
  5. The term sterile means free of all life forms. a. True b. False
  6. All bacteria double their numbers every 1 hour a. True b. False
  7. Edward Jenner came up with the first vaccine to keep people from getting cowpox. a. True b. False
  8. Gram-positive bacteria stain blue with the Gram staining procedure. a. True b. False
  9. Gram-positive cell walls have an outer membrane that is made up of LPS, porin proteins, and lipoproteins. a. True b. False
  10. Water was the vital force. a. True b. False
  11. Mycoplasmas have sterols in plasma membrane. a. True b. False
  12. Plasmolysis occurs in a hypotonic solution. a. True b. False
  13. The ribosome size for prokaryotes is 70S. a. True b. False BONUS – WORTH 3 POINTS (PLEASE WRITE BONUS ON THE BACK OF THE SCANTRON IN THE GREEN AREA! FAILURE TO DO SO WILL RESULT IN LOSS OF POINTS! NO EXCEPTIONS!) Explain the difference between a run and tumble. When do we see more tumbles than runs?