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WorksheetsWinogradsky column and microbes
Total questions: 10
Worksheet time: 9mins
What is the sulfur-oxidizing bacteria that lives in microaerophilic zone in Winogradsky column?
(a)
What type of bacteria that made up the red and green band in microaerophilic zone in Winogradsky column?
(a)
Tick all three zones exist in Winogradsky column
Aerobic zone
Deep zone
Anaerobic zone
Microaerophilic zone
What process occur in microaerophilic zone
Fermentation of organic matter
Water is oxidized into oxygen by photoautotrophs
Sulfuric acid from lower zones is oxidized into sulfate by sulfur-oxidizing bacteria
Methane is used in making energy
Where does sulfuric acid comes from in Winogradsky column?
From sulfur reducing bacteria, Desulfovibrio residing in the deepest part of the column
From cyanobacteria residing the top layer of the column
From sulfur-oxidizing bacteria, Thiobacillus residing in microaerophilic zone
From Acetogens residing in anaerobic zone
Examples of methanotrophs in aerobic zone of Winogradsky column:-
(a)
Tick all bacteria that exist in anaerobic zone of Winogradsky column
Chromatium (purple-sulfur bacteria)
Clostridium sp.
Gallionella sp. (stalked bacteria)
Pseudomonas sp. (methanogens)
Tick the correct association
Hydrogen oxidizers live in aerobic zone of Winogradsky column
Denitrifiers live in aerobic zone of Winogradsky column
Iron oxidizers live in anaerobic zone of Winogradsky column
Nitrifiers live in aerobic zone of Winogradsky column
All of these options are microbes existing in aerobic environment of Winogradsky column except one, which is...
Pseudomonas sp.
Gallionella
Thiobacillus sp.
Algae and cyanobacteria
How do chemical gradients arise?
(a)
