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Eighth Grade (Grade 8) Microbiology Questions

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Grade 8 Microbiology
Which of the following is considered to be smallest in size?
  1. bacterium
  2. red blood cell
  3. virus
  4. lymphocyte
Grade 8 Microbiology
Primary human pathogens include viruses, bacteria, and fungi.
  1. True
  2. False
Grade 8 Microbiology
Bacteria are       one      - celled organisms that are found nearly everywhere.
Grade 8 Microbiology
Unicellular organisms contain many cells.
  1. True
  2. False
Grade 8 Microbiology
This chemist designed a controlled experiment to show that new bacteria appeared in broth only when they were produced by existing bacteria. What is his name?
  1. Louis Pasteur
  2. Albert Einstein
  3. Francesco Redi
  4. Bill Nye
Grade 8 Microbiology
Your body's ability to resist disease is known as            immunity           .
Grade 8 Microbiology
Lyme disease can be prevented, including in young children.
  1. True
  2. False
Grade 8 Microbiology
Lyme disease was first reported to be found in                         Old Lyme, Connecticut                        .
Grade 8 Microbiology
Wild yeast feeds on
  1. Sugar
  2. Starch
  3. Milk
  4. Wild animals
Grade 8 Microbiology
Label the parts of this bacterial cell

B -            ribosome           
C -             Cell wall            
D -                 cell membrane                
F -       DNA      
G -             flagellum            
Bacteria Cell Anatomy
Grade 8 Microbiology
Bacteria cannot obtain energy for their life processes by
  1. Depending on dead plants
  2. Feeding on animal waste
  3. Feeding on alcoholic drinks
  4. Processing hydrogen sulphide
Grade 8 Microbiology
The percentage of Lyme disease cases in children is approximately      25     %.
Grade 8 Microbiology
Which of the following diseases is caused by a virus?
  1. skin cancer
  2. influenza
  3. type 1 diabetes
  4. ringworm
Grade 8 Microbiology
Antibodies are             chemicals             that join in the fight against germs.
Grade 8 Microbiology
How do bacteria move?
  1. Flagellum
  2. Legs
  3. Filopodia
  4. Chemorepulsion
Grade 8 Microbiology
How many cells do bacteria have?
  1. Multicellular
  2. Single-celled
Grade 8 Microbiology
Protozoa are animal-like bacteria.
  1. True
  2. False
Grade 8 Microbiology
Eubacteria is a type of                .
  1. Prokaryote
  2. Eukaryote
Grade 8 Microbiology
Which of these is a type of bacteria?
  1. Lambda
  2. Bacillus
  3. Altus
  4. Occisus
Grade 8 Microbiology
Select all the types of Archaebacteria that apply.
  1. Methane Producing
  2. Pepper-loving
  3. Salt-loving
  4. Heat-loving
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