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Microbiology of Soils

Microbiology of Soils
Denitrification may be distinguished as

both (a) and (b)
assimilative
dissimilative
blue baby syndrome

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Microbiology of Soils
Which of the following is capable of oxidizing sulfur to sulfates?

Thiobacillus thiooxidans
Rhodomicrobium
Desulfotomaculum
Rhodospirillum

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Microbiology of Soils
Which of the following fungi on infecting crop roots can improve their uptake of phosphorus and other nutrients?

Aspergillus niger
Candida torulopsis
Saccharomyces cerevisiae
VA Mycorrhiza

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Microbiology of Soils
Which of the following microorganism use H2S as the electron donor to reduce carbon dioxide?

Chromaticum
Chlorobium
Rhodomicrobium
Both (a) and (b)

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Microbiology of Soils
Which of the following soil microorganism is involved in the reduction of sulfates to H2S?

Thiobacillus thiooxidans
Rhodomicrobium
Desulfotomaculum
Rhodospirillum

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Microbiology of Soils
Assimilative denitrification is done by

all of these
fungi
prokaryotes
plants

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