Multiple choice

Match organisms in Group I with shapes in Group II and flagellar arrangements in Group III and select the correct answer.

   
Group I
Group II
Group III
P. Escherichia coli i. Spherical 1. Peritrichous
Q. Staphylococcus aureus ii. Comma-shaped 2. Atrichous
R. Vibrio cholerae iii. Rod-shaped 3. Monotrichous

  1. P - ii - 3, Q - iii - 1, R - i - 2

  2. P - iii - 1, Q - i - 2, R - ii -3

  3. P - i - 2, Q - ii - 3, R - iii - 1

  4. P - ii - 2, Q - iii - 1, R - i - 3

  5. P - i - 2, Q - ii - 1, R - iii - 3
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Escherichia coli is a Gram-negative, facultatively anaerobic, rod-shaped bacterium. The flagella in E. coli have a peritrichous arrangement. Staphylococcus aureus is an atrichous, Gram-positive, sphere-shaped bacteria that form clusters. Vibrio cholerae is a monotrichous, Gram-negative, comma-shaped bacterium.

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