KVV E-Modules

1. ….……. is the approximate number of bacteria found in one gram of topsoil

A: 1 million B: 100 million C: 1 billion D: 1 trillion

….…..soil microorganism is known for producing antibiotics

A: Fungi B: Algae C: Protozoa D: Actinomycetes

….…of the following best describes the cell structure of bacteria

A: Complex, with many internal organelles B: Simple, prokaryotic with no internal organelles C: Filamentous, with septate hyphae D: Colonial, with photosynthetic capabilities.

Nitrogen fixation in soil is primarily performed by............

A: Fungi B: Actinomycetes C: Bacteria D: Protozoa

...is the most significant factor influencing soil bacterial communities

A: Temperature B: Light C: pH D: Moisture

...is the most significant factor influencing soil bacterial communities

A: Temperature B: Light C: pH D: Moisture

Mycorrhizae are a symbiotic association between..........

A: Bacteria and plants B: Fungi and plants C: Algae and plants D: Protozoa and plants

…... is the role of mucilage secreted by blue-green algae

A: Nutrient uptake B: Water retention C: Movement D: Spore production

….… is the most common genus of actinomycetes found in soil

A: Nocardia B: Micromonospora C: Streptomyces D: Actinoplanes

........... these groups of microorganisms is involved in the process of ammonification

A: Fungi B: Algae C: Bacteria D: Protozoa

Microorganisms primarily convert organic materials into………

A: Minerals B: Water C: Nutrients D: Toxins