Advertisements
Advertisements
प्रश्न
Nitrogen fixation is shown by prokaryotes and not by eukaryotes. Comment.
उत्तर
Nitrogen fixation is the process in which atmospheric nitrogen is converted to ammonia (NH3) in the presence of an enzyme nitrogenase. This process is in prokaryotes due to the presence of nitrogenase.
APPEARS IN
संबंधित प्रश्न
Plants absorb nitrogen as ______.
In Glycine max, the product of biological nitrogen fixation is transported from the root nodules to other parts as ______.
In some plants, like soyabean, fixed nitrogen is exported into the transpiration stream as :
With regard to the Biological Nitrogen Fixation by Rhizobium in association with soybean, which one of the following statement/ statements does not hold true.
A farmer adds Azotobacter culture to soil before sowing maize. Which mineral element is being replenished?
What is the function of leghaemoglobin in the root nodule of a legume?
Name one non-symbiotic nitrogen fixing prokaryote.
Rice fields produce an important greenhouse gas. Name it.
Name the most crucial enzyme found in root nodules for N2 fixation? Does it require a special pink coloured pigment for its functioning? Elaborate.
We find that Rhizobium forms nodules on the roots of leguminous plants. Also Frankia another microbe forms nitrogen fixing nodules on the roots of non-leguminous plant Alnus.
- Can we artificially induce the property of nitrogen fixation in a plant – leguminous or non-leguminous?
- What kind of relationship is observed between mycorrihiza and pine trees?
- Is it necessary for a microbe to be in close association with a plant to provide mineral nutrition? Explain with the help of one example.
