Microbiology
Explore the World of Microbiology
Test your knowledge on the fascinating field of microbiology with our engaging quiz! Dive into the intricate relationships between microbes and the environment, and discover their essential roles in processes like nitrogen fixation and soil formation.
Whether you're a student, a teacher, or simply a microbiology enthusiast, this quiz will challenge your understanding with questions covering:
- Microbial products
- Soil ecosystems
- Nitrogen-fixing bacteria
- Biogeochemical cycles
Major useful product obtained from microbes
Vitamin
Single cell protein
Antibiotic
All of the above
Bacteria, as a group, are responsible for ______
Nitrogen oxidation
Sulfur oxidation
Nitrogen fixation
All of the above
In the process of nitrogen fixation, which of the following microorganism is involved
Non symbiotic microorganisms only
. Symbiotic microorganisms only
Non symbiotic and symbiotic microorganisms both
None of the above
______ play a key role in the transformation of rock to soil
Cyanobacteia
Pectin decomposing bacteria
Nitrifying bacteria
De-nitrifying bacteria
The conversion of molecular nitrogen into ammonia is known as ________
Nitrification
De-nitrification
Nitrogen fixation
Ammonification
The microbial ecosystem of soil includes _______
Biotic components of soil
Abiotic components of soil
Biotic and abiotic components of soil
None of the above
A free living nitrogen fixing bacterium is _______
Clostridium
Azotobacter
Rhizobium
Both Clostridium and Azotobacter
Azolla is used as biofertilizer because it _______
Multiplies very fast to produce massive biomass
Has association of nitrogen fixing cyanobacteria
Has association of nitrogen fixing Rhizobium
Has association of mycorrhiza
Heterocyst contains enzyme
Pectinase
Cellulase
Nitrogenase
Phosphorylase
Leghaemoglobin is found in _________
Root nodules of legumes
Mycorrhiza
Coralloid roots
Cyanobacteria
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