Biology Final - Microbiology

30 Questions | By Hoopz7147 | Updated: Mar 20, 2022 | Attempts: 90

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Biology final review on micriobiology

Questions and Answers

1.

A typical virus consits of...
- A.
  
  A protein coat and a cytoplasm core
- B.
  
  A carbohydrate coat and a nucleic acid core
- C.
  
  A protein core and a nucleic acid core
- D.
  
  A polysaccharide coat and a nucleic acid core
2.

A virus that has been genetically altered to reduce its virulence is known as a (n)
- A.
  
  Inactivated virus
- B.
  
  Annenuated virus
- C.
  
  Virulent virus
- D.
  
  Provirus
3.

Bacterial cells...
- A.
  
  Have a cell wall only
- B.
  
  Have a cell membrane only
- C.
  
  Have both a cell membrane and a cell wall
- D.
  
  Have a cell wall inside their cell membrane
4.

Viruses...
- A.
  
  Are cellular organisms
- B.
  
  Reproduce only in living cells
- C.
  
  Have nuclei and organelles
- D.
  
  Are surrounded by polysaccharide coat
5.

When a virus transfers a gene to a bacterium, it is called:
- A.
  
  Conjugation
- B.
  
  Transformation
- C.
  
  Binary fission
- D.
  
  Transduction
6.

Algae are different the other protists because algae are:
- A.
  
  Prokaryotic
- B.
  
  Ingestive heterotrophs
- C.
  
  Absorptive heterotrophs
- D.
  
  Photoautotrophs
7.

The process by which bacteria reproduce is known as:
- A.
  
  Mitosis
- B.
  
  Sexual reproduction
- C.
  
  Binary fusion
- D.
  
  Binary fission
8.

It is important to distinguish between Gram-negative and Gram-positive bacteria in diagnosing a bacterial infection because:
- A.
  
  Gram-negative and Gram-positive bacteria respond to different antibiotics
- B.
  
  Gram-positive bacteria never cause fatal diseases
- C.
  
  Gram-positive bacteria destroy antibiotics, preventing them from working
- D.
  
  Gram-positive bacteria don't respond to any antibiotics
9.

Bacteria whose cells are rod shaped are classified as:
- A.
  
  Cocci
- B.
  
  Bacilli
- C.
  
  Spirilli
10.

Bacteria whose cells are round/spherical are classified as:
- A.
  
  Cocci
- B.
  
  Bacilli
- C.
  
  Spirilli
11.

Protists are different from bacteria because protists:
- A.
  
  Are relatively simple
- B.
  
  Have prokaryotic cells
- C.
  
  Have eukaryotic cells
- D.
  
  Lack a nucleus
12.

Animal-like protists are animal like because animal-like protists are:
- A.
  
  Prokaryotic
- B.
  
  Ingestive heterotrophs
- C.
  
  Absorptive heterotrophs
- D.
  
  Photoautotrophs
13.

The prokaryotic organisms that are most similar to the first life on Earth are the:
- A.
  
  Eubacteria
- B.
  
  Bacteriophages
- C.
  
  Archaebacteria
- D.
  
  Viruses
14.

Amoeba is a member of:
- A.
  
  Kingdom Archaebacteria
- B.
  
  Kingdom Eubacteria
- C.
  
  Kingdom Animalia
- D.
  
  Kingdom Protista
15.

A substance that kills bacteria that interferes with their cellular functions is a(n):
- A.
  
  Antibiotic
- B.
  
  Antibody
- C.
  
  Vaccine
- D.
  
  Exotoxin
16.

Bacteria whose cells are arranged into grape-like clusters are classified as:
- A.
  
  Mono-
- B.
  
  Diplo-
- C.
  
  Strepto-
- D.
  
  Staphlo-
17.

Bacteria that stain purple and have a thick cell wall of peptidoglycan are the:
- A.
  
  Archaebacteria
- B.
  
  Gram-positive bacteria
- C.
  
  Gram-negative bacteria
- D.
  
  All of the above
18.

Bacteria lack a true nucleus and membrane-bound organelles; therefore, they are classified as:
- A.
  
  Prokaryotes
- B.
  
  Aerobes
- C.
  
  Anaerobes
- D.
  
  Eukaryotes
19.

Bacteria whose cells are arranged into straight chains or filaments are classified under:
- A.
  
  Mono-
- B.
  
  Diplo-
- C.
  
  Strepto-
- D.
  
  Staphylo-
20.

Which of the following groups of algae has the most characteristics in common with plants?
- A.
  
  Red algae
- B.
  
  Golden algae
- C.
  
  Green algae
- D.
  
  Brown algae
21.

One difference between the archaebacteria and eubacteria is that the archaebacteria:
- A.
  
  Have peptidoglycan in their cell walls
- B.
  
  Don't have peptidoglycan in their cell walls
- C.
  
  Have a nucleus
- D.
  
  Don't have a nucleus
22.

In which type of cell cycle(s) does viral DNA become integrated into the host cell's DNA?
- A.
  
  Lytic
- B.
  
  Lysogenic
- C.
  
  Neither lytic or lysogenic
- D.
  
  Lytic and Lysogenic
23.

When bacteria reproduce:
- A.
  
  They divide into two identical cells
- B.
  
  They divide into two non-identical cells
- C.
  
  Their offspring have genes that the parents don't have
- D.
  
  They form a multicellular stage
24.

Protists are different from animals, plants and the fungi because protists are:
- A.
  
  Relatively simple
- B.
  
  Have prokaryotic cells
- C.
  
  Have eukaryotic cells
- D.
  
  Lack a nucleus
25.

The archae that thrive in hot acidic environments are the:
- A.
  
  Thermoacidophiles
- B.
  
  Exteme halophiles
- C.
  
  Methoanogens
- D.
  
  Cyanobacteria