Multiple choice

Match the following:

 
Column I Column II
P. Azotobacter 1. Alphaproteobacteria
Q. Nitrobacter 2. Betaproteobacteria
R. Stigmatella 3. Gammaproteobacteria
S. Thiobacillus 4. Deltaproteobacteria

  1. P - 1; Q - 2; R - 3; S - 4

  2. P - 2; Q - 1; R - 4; S - 3

  3. P - 2; Q - 3; R - 1; S - 4

  4. P - 3; Q - 1; R - 4; S - 2

  5. P - 4; Q - 2; R - 3; S - 1
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Azotobacter belongs to order Pseudomonadales of class Gammaproteobacteria. Nitrobacter belongs to order Rhizobiales of class Alphaproteobacteria. Stigmatella belongs to order Myxococcales of class Deltaproteobacteria. Thiobacillus belongs to order Hydrogenophilales of class Betaproteobacteria.

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