NEET 2001 Biology question

Which of the following is true pair of biofertilizers : -

(1)Azolla and BGACorrect
(2)Nostoc and legume
(3)Rhizobium and grasses
(4)Salmonella & E. Coli

Answer: (1)

Solution

Biofertilizers are living organisms that enrich the soil with nutrients, mainly by nitrogen fixation. Azolla (a fern with the symbiotic cyanobacterium Anabaena azollae) and free-living blue-green algae (cyanobacteria such as Nostoc, Anabaena) are both

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-088841