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Microbiology

A vibrant illustration showing various microbes in a soil environment, with nitrogen-fixing bacteria and lush vegetation, in a scientific style.

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

10 Questions2 MinutesCreated by CultivatingMind72

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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