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UH MANOA BIO172 EXAM 1
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UH MANOA BIO172 EXAM 1
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UH MANOA BIO172 EXAM 11.All protists are
A) unicellular.
B) eukaryotic.
C) symbionts.
D) mixotrophic. - Answers- B) eukaryotic
2. Dinoflagellates
A) possess two flagella.
B) are all autotrophic.
C) lack mitochondria.
D) include species that cause malaria. - Answers- A) possess two flagella.
3. Which process in Paramecium results in genetic recombination but no increase in
population size?
A) budding
B) meiotic division
C) conjugation
D) binary fission - Answers- C) conjugation
4. Unikonta is a supergroup that includes all of the following except
A) fungi.
B) protists.
C) animals.
D) plants. - Answers- D) plants.
5. The organisms that cause sleeping sickness are members of which genus?
A) Toxoplasma
B) Plasmodium
C) Entamoeba
D) Trypanosoma - Answers- D) Trypanosoma
6. An organism that is both an autotroph and a heterotroph is said to be
A) coenocytic.
B) mixotrophic.
C) bivalent.
D) phagocytic - Answers- B) mixotrophic.
7. In most fungi, karyogamy does not immediately follow plasmogamy, which
consequently
A) means that sexual reproduction cannot occur.
B) decreases the overall size of the organism.
C) allows fungi withstand harsh conditions in a dormant state.
D) results in heterokaryotic or dikaryotic cells. - Answers- D) results in heterokaryotic or
dikaryotic cells.
, 8. Which of the following best describes the physical relationship of the partners
involved in lichens?
A) Fungal cells are enclosed within algal cells.
B) Lichen cells are enclosed within fungal cells.
C) Algal cells are surrounded by fungal hyphae.
D) The fungi grow on rocks and trees and are covered by algae. - Answers- C) Algal
cells are surrounded by fungal hyphae.
9. Green algae differ from land plants in that many green algae
A) are unicellular.
B) have chloroplasts.
C) have alternation of generations.
D) have cell walls containing cellulose. - Answers- A) are unicellular.
10. Super cells characteristic of plasmodial slime molds result when which one of the
following common cellular
processes does not occur?
A) mitosis
B) cytokinesis
C) aerobic metabolism
D) phagocytosis - Answers- B) cytokinesis
11. The organisms that cause malaria are members of which genus?
A) Toxoplasma
B) Plasmodium
C) Entamoeba
D) Trypanosoma - Answers- B) Plasmodium
12. Fungi occupy which ecological role?
A) only decomposers
B) decomposers and parasites
C) decomposers and producers
D) decomposers, parasites, and predators - Answers- D) decomposers, parasites, and
predators
13. Fungi are all
A) heterotrophs.
B) multicellular.
C) terrestrial.
D) mutualists. - Answers- A) heterotrophs.
14. Mycorrhizae provide plants with
A) water.
B) carbohydrates.
C) protein.
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