Question Detail

MIC 121 microbiology roles in different fields. Objective Question
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Question

Which group of nitrogen-fixing bacteria are explicitly listed as biofertilizers that improve soil nutrient availability?
Options
A <i>Pseudomonas</i> and <i>Mycobacterium</i>
B <i>Bacillus thuringiensis</i> and <i>Ralstonia eutropha</i>
C <i>Saccharomyces cerevisiae</i> and <i>Lactobacillus</i>
D <i>Rhizobium</i>, <i>Clostridium</i> and <i>Azotobacter</i>
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

Page 5 mentions: 'Biofertilizers: nitrogen-fixing bacteria like Rhizobium, Clostridium and Azotobacter, and phosphate-solubilizing bacteria like Pseudomonas, improve soil nutrient availability.' The question specifically asks for nitrogen-fixing examples from the list.

Hint

Look for the bacteria associated with nitrogen fixation and soil enrichment.

Question Info

Course: MIC 121
Topic: microbiology roles in different fields.
Type: Objective
Difficulty: Not specified
Question 405 of 984
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