Select the incorrect option from the following.

Azolla is used as a biofertilizer because it

Select the appropriate option regarding mycorrhiza.

The aquatic fern which is an excellent biofertilizer is

Consider the following four statements $(A - D)$ related to organic farming and select the correct option stating which ones are true $(T)$ and which ones are false $(F)$. The statements :
$(A)$ Produces food crops rich in lipids,vitamins and iron
$(B)$ Uses biofertilisers which increases soil fertility
$(C)$ There is more use of chemical fertilisers and pesticides
$(D)$ Raising unpolluted crops through the use of bacteria,fungi and cyanobacteria

The best biofertilizer for paddy (rice) cultivation is: