Description : Nitrogen oxidation (nitrification)refers to the A- conversion of ammonium ions into nitrates through the activities of certain bacteria B- changing of atmospheric nitrogen (N2) to nitrogen compounds C- sulfur is oxidized to the sulfate form through Thiobacillusbacteria D- none of the above
Last Answer : conversion of ammonium ions into nitrates through the activities of certain bacteria
Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification
Last Answer : (d) Anaerobic ammonium oxidation and denitrification
Description : The bacteria responsible for ‘nitrogen fixation’ is found in the roots of (a) grass (b) citrus plants (c) leguminous plants (d) neem tree
Last Answer : Ans:(c)
Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in - (1) peas (2) wheat (3) corn (4) oats
Last Answer : (1) peas Explanation: Nitrogen-fixing bacteria are microorganisms capable of transforming atmospheric nitrogen into fixed. nitrogen. Rhizobium is one such bacteria that is associated with leguminous plants ... and convert free nitrogen to ammonia, which the host plant utilizes for its development.
Description : Symbiotic Bacteria responsible for the fixation of atmospheric nitrogen are present in (1) peas (2) wheat (3) corn (4) oats
Last Answer : peas
Description : The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate
Last Answer : b. Bacteriochlorophyll
Description : Which of the following does not produce oxygen as a product of photosynthesis? A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton
Last Answer : B.Purple sulfur bacteria
Description : Which of the following does not produce oxygen as a product of photosynthesis? A- A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton
Last Answer : Purple sulfur bacteria
Description : Incorporation of atmospheric N2to NH4 + occurs via the process of A.assimilatory nitrate reduction B.transamination C.deamination D.nitrogen fixation
Last Answer : D.nitrogen fixation
Description : The crops which are involved in nitrogen fixation are A- alfalfa and clover B- soybean C- bean and lupine D- all of these
Last Answer : all of these
Description : All of the following are features of prokaryotes except A- nitrogen fixation B- photosynthesis C- sexual reproductionD- .locomotion
Last Answer : sexual reproduction
Description : Thiobacillus is a group of bacteria helpful in carrying out (a) denitrification (b) nitrogen fixation (c) chemoautotrophic fixation (d) nitrification.
Last Answer : (a) denitrification
Description : other than bacteria which factor leads to nitrogen fixation -General Knowledge
Last Answer : Other than bacteria, flood leads to nitrogen fixation.
Description : Which one of the following bacteria has potential for nitrogen fixation
Last Answer : Which one of the following bacteria has potential for nitrogen fixation A. Nitrosomonas B. Nitrobacter C. Nitrosococcus D. Rhizobium
Description : Which is a free living bacteria that help in nitrogen fixation?
Last Answer : Azotohacter
Description : What is Azofication (a) It is also known as composite fixation of nitrogen. (b) It is also known as free fixation of nitrogen (c) It is also known as nitrogen fixed by Rhizobium bacteria ` (d) It is also known as nitrogen gain through rains or snow
Last Answer : (a) It is also known as composite fixation of nitrogen.
Description : “Azotobacter” bacteria is known for biological fixation of which atmospheric gas? a. A Oxygen b. B Nitrogen c. C Carbon Dioxide d. D Helium
Last Answer : b. B Nitrogen
Description : ______ helps in fixation of nitrogen in rice field in association with root of Cycas plant. a) rhizobium b)fungus c)cyano bacteria d)bacteria
Last Answer : c)cyano bacteria
Description : Nitrogen fixation is accomplished by: a) plants b) bacteria c) animals d) viruses
Last Answer : ANSWER: B -- bacteria
Description : Which enzyme is responsible for atmospheric nitrogen fixation? -Biology
Last Answer : answer:
Description : Gram-positive bacteria, responsible for food poisoning, is/are A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : C.Clostridia
Description : Gram-positive bacteria, responsible for food poisoning, is/ar A.Mycoplasmas B.Pseudomonas C.Clostridia D.all of these
Last Answer : .Clostridia
Description : Intestinal bacteria can grow in the presence of __________whereas nonintestinal bacteria are A.bile salts B.low concentration of various dyes C.sugars D.low levels of nitrogen
Last Answer : A.bile salts
Description : What serologicaL test requires sheep red blood cells and a preparation of antibodies that recognizes the sheep red blood ceLls? a. ELISA b. Radioimmunoassay c. Immunodiffusion d. Complement fixation test
Last Answer : d. Complement fixation test
Description : The serological reaction where antigens and antibodies form an extensive Lattice of large particles is called a. Fixation. b. Precipitation. c. Neutralization. d. Agglutination.
Last Answer : c. Neutralization.
Description : In bacteria a group of genes located together and functioning together on a chromosome are called _____. a. polysome b. operon c. polymerase d. exons
Last Answer : b. operon
Description : Which group includes single celled protozoa and algae? a. Bacteria b. Archaea c. Fungi d. Protista
Last Answer : d. Protista
Description : Which group of microbial agents is eukaryotic? a. Bacteria b. Viruses c. Archaea d. Algae
Last Answer : d. Algae
Description : What group of microbial agent was identified from the work of Ivanowsky a Beijerinck? a. Viruses b. Fungi c. Protozoa d. Bacteria
Last Answer : a. Viruses
Description : (3) Conversion of ammonia to nitrites Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The oxidation of ammonia ... -oxidizing archaea (AOA). Nitrification is an important step in the nitrogen cycle in soil.
Last Answer : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorous (4) None of these
Description : What is the oxidation number of sulfur in sulfurous acid?
Last Answer : ANSWER: 4+ or +4 (read: 4 - plus or plus - 4) (accept 4)
Description : What is the oxidation number of sulfur in HS-? (read HS minus one)
Last Answer : ANSWER: -2
Description : The maximum fixation of solar energy is done by – (1) Bacteria (2) Protozoa (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The photosynthetic efficiency is the fraction of light energy converted into chemical energy during photosynthesis in plants and algae. Approximately two thirds of the net ... free energy are stored in plant biomass for every mole of CO2 fixed during photosynthesis.
Description : The maximum fixation of solar energy is done by - (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : (4) Green plants Explanation: The maximum 20% of the input of solar energy falling on leaves is converted into chemical energy by green plants. Green plants utilize solar energy and synthesize sugar from ... 3% of the light energy that strikes on their green parts; the rest is dissipated as heat.
Description : Symbiotic N2 - fixation is carried out by which bacteria?
Last Answer : Rhizobium leguminosarum
Description : Non - symbiotic N2 - fixation is carried out by bacteria such as.......... and.......... ?
Last Answer : Azotobacter & Clostridium
Description : The maximum fixation of solar energy is done by (1) Protozoa (2) Bacteria (3) Fungi (4) Green plants
Last Answer : Green plants
Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase
Last Answer : A.substrate-level phosphorylation
Description : Isozymes or iso enzymes are those enzyme which A- have same structural forms B- have different structural forms but identical catalytic properties C- catalyses oxidation reactions D- none of these
Last Answer : have different structural forms but identical catalytic properties
Description : Most of the energy in aerobic respiration of glucose is captured by A- substrate-level phosphorylation B- electron transport of electrons from NADH C- long-chain fatty acid oxidation D- the enzyme formic-hydrogen lyase
Last Answer : electron transport of electrons from NADH
Description : What is biological Nitrogen fixation? -Biology
Description : End product of biological nitrogen fixation? -Biology
Description : What is non-biological nitrogen fixation? -Biology
Description : What is symbiotic biological nitrogen fixation? -Biology
Description : What is the function of Leghaemoglobin in nitrogen fixation? -Do You Know?
Description : By which algae is Nitrogen fixation done? -Do You Know?
Last Answer : blue-green algae
Description : What is Nitrogen Fixation ?
Last Answer : The largest source of nitrogen is the atmosphere. 6% (volumetric) nitrogen of the atmosphere. We cannot use nitrogen directly from the atmosphere. So for convenience of use, we do not usually convert ... . There are two methods of nitrogen fixation - 1. Natural methods and II. Synthetic method.
Last Answer : Nitrogen fixation refers to the application of nitrogen from air to a special process.