Which of the following pairs acts as a biofertilizer?

Which of the following statements is incorrect?

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

Which one of the following is not used as a bio-fertilizer?

Which of the following microorganisms forms a symbiotic association with plants and helps in their nutrition?

Blue-green algae increase which of the following in the soil?