Bacterial Identification Worksheet
A Grade 9 Science worksheet focusing on bacterial identification methods, structures, and characteristics.
Includes
Standards
Bacterial Identification Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all work where applicable.
1. Which of the following is the primary method used to classify bacteria based on their cell wall composition?
Acid-fast stain
Gram stain
Endospore stain
Negative stain
2. What is the function of a flagellum in bacteria?
Protection from phagocytosis
Attachment to surfaces
Motility
Genetic exchange
3. Bacteria that retain the crystal violet stain in a Gram stain procedure are called bacteria.
4. The process of identifying bacteria based on their metabolic activities is known as testing.
5. Describe the key differences in cell wall structure between Gram-positive and Gram-negative bacteria.
6. All bacteria are harmful and cause diseases.
True
False
7. Molecular techniques like PCR can be used for rapid bacterial identification.
True
False
8. Label the following parts of a bacterial cell:
A.
B.
C.
D.