NITROGEN FIXATION (BIOTECHNOLOGY)
Nitrogen Fixation Quiz
Test your knowledge on nitrogen fixation and its significance in biotechnology with our comprehensive quiz! Dive into the fascinating world of nitrogen-fixing organisms, their symbiotic relationships, and their impact on agriculture and the environment.
- 10 engaging questions
- Multiple choice and checkbox formats
- Learn about crucial nitrogen-fixing bacteria
All are modes of plant acquisition of Nitrogen EXCEPT ___.
What enzyme is used by plants to fasten the conversion of atmospheric nitrogen (N2) to ammonia (NH3)?
Amylase
Nitrogenase
Ammonase
Nitrogenes
These are Nitrogen-fixing organisms found in agricultural and natural systems EXCEPT ____.
Archaebacteria
Cyanobacteria
Autotrophic bacteria
Heterotrophic bacteria
Free-living organisms behave as anaerobes or microaerophiles while fixing nitrogen.
True
False
The level of nitrogen fixation is determined by several factors. Choose 4.
soil temperature
The ability of the host plant to provide a rhizosphere environment low in oxygen pressure
The competitiveness of the bacteria
The inefficiency of nitrogenase
the availability of host photosynthates for the bacteria
Soil pH
The plant provides sugars from photosynthesis that are utilized by the nitrogen-fixing microorganism for the energy while the microbe provides fixed nitrogen to the host plant for its growth. What type of symbiosis is this?
Commensalism
Competition
Parasitism
Mutualism
What is the nodulating bacteria of Alfalfa?
Rhizobium leguminosarum biovar trifolii
Sinorhizobium melilotii
Azorhizobium caulinodans
Mesorhizobium loti
What is the ffect of the increased loads of nitrogen fertilizer to freshwater?
Nitrogen fixation
Eutrophication
Pollution
Date:When did Beijerinck discovered BNF?
1900
1901
1902
1903
ALL are nitrogen-fixing bacteria EXCEPT
Azotobacter
Klebsiella
Bacillus
Clostridium
Coccus
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