Mineral Nutriti...

The process that is the opposite of nitrogen fixation is

$$N_2$$ -fixing blue-green alga Anabaena which is extensively used in rice cultivation, form symbiotic association with?

Leghaemoglobin is produced in response to 

Which one is the correct summary equation of nitrogen fixation?

Study the given figures carefully showing the development of root nodules and arrange them in a correct sequence.

Which of the following is a non-symbiotic nitrogen fixing prokaryote?

During nodule formation in leguminous plants, an infection thread is produced carrying the (i) into the (ii) of the root, where they initiate the nodule formation in the (iii) of the root.
Fill up the blanks by choosing the correct option. 

The bacterium ____ belonging to group Actinomycetes produces $$N_2$$ -fixing nodules on the roots of non-leguminous plants(e.g. Alnus).

Read the following statements and select the correct ones. 

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation.
Which one of the following statements is not correct for this process of nitrogen fixation?