Give any two microbes that are useful in biotechnogy.

Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop. Recommend two microbes that can enrich the soil with nitrogen.

Give any two uses of gypsum?

Give any two examples of ferns.

How microbes can be used as biofertilizers?

Give two uses of methane gas?

Two microbes found to be very useful in genetic engineering are