Download Homework questions

1. A substance that stimulates the body to produce chemicals that destroy viruses or bacteria is
called
a. Endospore
b. vaccine
c. cytoplasm d. antibiotic
2. Organism that live in or on a host organism and cause harm to the host are called
a. Parasites
b. bacteriophages
c. viruses
d. flagellum
3. Conjugation is a form of
a. Respiration
b. producing energy
b. c. sexual reproduction d. asexual reproduction
4. the chemical factories in cells that produce proteins are called
a. cytoplasm
b. cell walls
c. nuclei
d. ribosomes
5. to survive in unfavorable conditions, some bacteria form
a. toxins b. antibiotics c. cytoplasm d. endospores
6. Which of the following is not a characteristic of an active virus?
a. Multiplies quickly
b. has an outer coat made of proteins
b. c. uses energy to grow d. destroys its host cell
7. the area inside the cell membrane of a bacterium is called the
a. cytoplasm
b. flagellum
c. protein coat d. nucleus
8. the best treatment for an unknown viral disease is
a. an antibiotic b. exercise
c. bed rest
d. a vaccine
9. a chemical that can kill bacteria without harming the human body is called
a. virus b. vaccine
c. antibiotic
d. ribosome
10. in order to multiply, a virus must
a. conjugate with another virus b. invade a host cell
b. c. manufacture extra food
d. remain hidden
11. Which of the following is NOT a shared characteristic of protists?
a. Unicellular
b. heterotroph c. prokaryote d. multicellular
12. Which of the following is NOT a characteristic of fungi?
a. Heterotrophs b. move with flagella c. reproduce with spores
d. eukaryotes
13. Protozoans are
a. Animal-like autotrophs b. plantlike fungi
b. c. fungus like protists
d. animal –like protists
14. red tides are dangerous because
a. the algae use up oxygen, causing fish and other organisms to suffocate
b. algal toxins are concentrated in the bodies of animals that eat them
c. some algae feed on the tissues of fishes and shellfish
d. The algae prevent sunlight from reaching plants beneath the surface.
15. Unlike fungi, all fungus like protists are able to
a. Make their own food b. move at some point in their lives
c. lack of sunlight
d. a decrease in bacteria
16. Which group of animal-like protists captures food using pseudopods?
a. amoebas
ciliates c. zooflagellates d. sporozoans
17. in a freshwater algal bloom, pond animals may die because of
a. lack of oxygen b. algal toxins c. lack of sunlight
d. a decrease in bacteria
18. unlike other algae, euglenoids
a. can be heterotrophs under certain condition
b. can make their own food
b. c. can move from place to place
d.do not have pigments
19. budding is
a. the growth of fruiting body
b. the formation of a pseudopod
b. c. a form of asexual reproduction
d. the production of hyphae
20. a type of unicellular plantlike protest with beautiful, glasslike cell wall is a
a. water mold
b. ciliate
c. green alga d. diatom
21. all living things have the following traits except
a. having identical cells b. using energy c. containing similar chemicals d. reproducing
22. all bacteria
a. can reproduce sexually b. improve the lives of people
b. c. are prokaryotes
d. cause sickness
23. a virus produces its own proteins inside its
a. nuclei b. cytoplasm c. carbon dioxide
d. host’s cells
24. about 3.6 billion years ago, earth’s atmosphere contained little
a. oxygen b. water vapor c. carbon dioxide
d. methane
25. viruses
a. make their own food b. use energy to grow and develop
c. produce wastes
d. are considered nonliving.
Pages 2 – first paragraph on page
1. Describe how fungi “operate” (reproduce, survive in their environment, and issues
they cause)
2. Explain why parasites are deadly to their host and give an example of a parasite
host relationship.
3. Describe the spread of disease in an “Outbreak situation”
4. Tell the difference between epidemic and pandemic.
5. How do diseases in other countries affect the United States?
6. Describe one pandemic and the effects to society.
7. Which is worse epidemic or pandemic?