Question

Explain the role of the following microorganisms.
(a) Rhizobium
(b) Blue-green algae
(c) Lactobacillus
(d) Bacillus anthracis

Answer 1

a) rhizobium is nitrogen fixing bacteria that helps plants to obtain nitrogen.

b)economic development and environment management like wastewater treatment, land reclamation.

c)it is used in the making of curd

d)Bacillus anthracis is a gram-positive spore-forming rod. It was the first bacterium to be used to prove that bacteria caused diseases

Explanation:

a) they are usually in symbiotic relationship with legimunous plants

b)Blue green algae (BGA) possess immense morphological and metabolic diversity

Answer 2

Explanation:

1_Rhizobium_It is a bacteria found in soil that helps in fixing nitrogen in leguminous plant, 2_bluegreeen algae- major fixing biomass in paddy field. 3_lactobacillus-Generally lactobacilli are gd for health. They produce lactic acid, which may prevent harmful from colonizing the intestine 4_Bacillus anthracis-it is a causative agent of anthrax, it is heighly virulent gram positive bacteria that exposed to spore from anthrax.