http://www.ncpublicschools.org/curriculum/science/units/middle/
Unit 9: It’s a Small World Out There
Name___________________________
Date____________________________
Multiple Choice Questions
1. Which statement best compares an amoeba and paramecium?
a. An amoeba is a single-celled organism and the paramecium is multicelled.
b. An amoeba is a multi-celled organism and the paramecium is singlecelled.
c. They both are single-celled organisms.
d. They both are multi-celled organisms.
2. What is the difference between a vector and a pathogen?
a. The vector is an animal that carries the disease and the pathogen is a
microbe
that cause disease.
b. The pathogen is an animal that carries the disease and the vector is a
microbe that cause disease.
c. Both are animals that carry the disease.
d. Both are microbes that cause disease.
3. How does removing habitats for mosquitoes help human life?
a. There is no breeding ground for the mosquitoes.
b. There is less chance of human contraction of malaria.
c. There is less chance of human contraction of West Nile virus.
d. all of the above
4. Which statement best describes what happens when antibiotics are used too
frequently?
a. New types of viral infections develop.
b. Colds and flu are no longer a problem.
c. Bacterial infections develop that are hard to treat.
d. none of the above.
5. Which of the following diseases is the best example of a viral disease?
a. AIDS
b. Tuberculosis
c. Common cold
d. Rabies
6. Which of the following is causes malaria?
a. a bacteria
b. a virus
c. a protist
d. a yeast
7. Which best explains the relationship between a host and parasite?
a. A parasite needs a host in order to live.
b. A host needs a parasite in order to live.
c. It is a symbiotic relationship.
d. It is a beneficial relationship.
8. Which characteristic do volvox and euglena share?
a. They both have eye spots.
b. They both use flagella to move.
c. They both have eye spots and use flagella to move.
d. They have neither eye spots nor flagella.
9. Which of the following pairs are examples of microbes?
a. bacteria and virus
b. bacteria and mutagen
c. virus and mutagen
d. virus and antigen
10. How does the size of a bacterium compare with the size of a virus?
a. They are the same size.
b. A bacterium is smaller than a virus.
c. A virus is smaller than a bacterium.
d. There is no way to compare them.
11. What is the BEST disease-producing condition?
a. good hygiene
b. poor sanitation
c. use of antibiotics
d. use of anti-microbial products
12. What is the BEST solution to avoid spreading a cold?
a. bathing twice a day
b. avoiding all sick persons
c. washing hands frequently.
d. taking antibiotics
13. Which statement shows the main difference between anti-microbial agents
and
antibiotics?
a. Anti-microbial agents kill germs on the surface only.
b. Antibiotics kill the germs on the surface only.
c. Antibiotics can cause allergic reactions.
d. Anti-microbial agents can cause allergic reactions.
14. Where is the best indication of biotechnology as it benefits the economy of
North
Carolina?
a. Winston-Salem
b. Triad
c. Research Triangle
d. Greensboro
15. Which is the MOST widely-seen ethical issue related to biotechnology
today?
a. mutations
b. genetically modified organisms
c. cloning
d. organic foods
16. What is the benefit of biotechnology?
a. It provides careers.
b. It provides safe guards to disease.
c. It provides economic benefits.
d. All of the above.
Multiple Choice Answers:
1. c
2. a
3. d
4. d
5. c
6. c
7. c
8. b
9. a
10. c
11. b
12. c
13. a
14. c
15. c
16. d
http://sciencescass.org
No questions listed
http://nces.ed.gov/nationsreportcard/itmrls/
NAEP Science Items
No Questions listed
http://www.ncpublicschools.org/docs/accountability/testing/eog/scie
nce/20071204gr8sci.pdf
21. Which statement best describes influenza?
A Influenza causes most forms of lung cancer.
B Influenza is caused by poor hygiene.
C Influenza is cured with antibiotics.
D Influenza is highly contagious.
22. Which type of training should local schools offer in order to prepare potential
workers in the pharmaceutical industry?
A biotechnology
B ecology
C engineering
D geology
Answers to EOG Grade 8 Science Sample Items
21. Objective 7.02
Describe diseases caused by microscopic biological hazards including: Viruses.;
Bacteria.; Parasites.; Contagions.; Mutagens.
Thinking Skill: Analyzing Correct Answer: D
22. Objective 7.05
Investigate aspects of biotechnology including: Specific genetic information available;
Careers; Economic benefits to North Carolina; Ethical issues; Impact for agriculture.
Thinking Skill: Analyzing Correct Answer: A