1. Living Organisms [184985]
1. The Anopheles mosquito transmits the parasite Plasmodium to humans. Plasmodium
causes malaria. In this situation, which is the vector of the disease?
A. Anopheles mosquito B. Plasmodium
C. human D. malaria
2. Which of these conditions most likely results from infection?
A. high blood sugar levels B. swelling of throat tissues
C. numbness in fingers D. blockage of blood vessels in the leg
3. Which best describes how athlete’s foot is spread to other individuals?
A. inhaling fungal spores in the air
B. eating food contaminated with fungus
C. having contact with fungus on a shower floor
D. swimming in a lake that has a large amount of algae
4. Which statement best explains why viruses can only reproduce within a host?
A. Viruses lack the genes necessary for transcription.
B. Viruses need the host DNA necessary to replicate.
C. Viruses need the host cell to break down their cell membranes.
D. Viruses lack the ribosomes necessary to make their own proteins.
5. The table below shows leading causes of death in the United States.
Which of the causes can be categorized as an infectious disease?
A. cancer B. stroke
C. diabetes D. influenza
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2. 6. How do scientists best analyze data about epidemics and pandemics?
A. They use computer modeling, cell culture, animal models, and clinical trials in
humans.
B. They postpone action unless they know everything there is to know about each
one.
C. They refrain from use of quality control and production of pharmaceuticals.
7. Which epidemic could best be treated by antibiotics?
A. flu B. AIDS C. cholera
8. Which is the best prediction of microbial drug resistance without the help of National
Institute for Allergies and Infectious Diseases?
A. All microbes will become drug resistant.
B. Drug resistance will remain stable at 70 percent.
C. Drug resistance will increase, making it harder to treat bacterial infections.
9. Which would most likely be spread as a pandemic infection?
A. common cold B. smallpox C. rabies
10. Which would most likely prevent a cold virus from spreading through a classroom?
A. Have a large supply of tissues on the teacher’s desk.
B. Have all students wash their hands regularly with soap.
C. Have all students shake hands regularly with all students.
D. Have all students wipe desk with dry paper towel at end of class.
11. Which person would benefit most from biotechnology?
A. a cook B. a farmer
C. an architect D. an automobile engineer
12. Which career field is most closely related to biotechnology?
A. medicine B. journalism
C. meteorology D. political science
13. Which best describes genetic modification?
A. It allows large quantities of medications to be produced.
B. It improves the removal of pollution from soil and water.
C. It is used to alter crops to become insect-resistant.
14. Which best describes the technique of genetic engineering?
A. manufacturing synthetic DNA in the laboratory from chemicals
B. cutting out segments of the DNA of an organism under a microscope
C. exposing the DNA of an organism to radioactivity to produce mutations
D. introducing foreign DNA into an organism in order to modify the organism’s
DNA
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3. 15. Which is the most useful change made to crops using applications of biotechnology?
A. Crops use more nutrients. B. Crops need more fertilizer.
C. Crops resist more diseases. D. Crops take more time to grow.
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