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Answer 1

Answer:

Explanation:

⇒Lactobaccillus : a rod-shaped bacterium which produces lactic acid from the fermentation of carbohydrates.

⇒Microorganism : a microscopic organism, especially a bacterium,virus or fungus.

⇒Nitrogen Cycle: the series of processes by which nitrogen and its compounds are inter converted in the environment,including nitrogen fixation and decomposition.

⇒Pasteurisation: the partial sterilization of a product such as milk to make it safe for drinking and improve its keeping quality.

⇒Pathogen: a bacterium,virus, or other microorganism that can cause disease.

⇒Preservation: the act,process or a result of preserving something for a period of time.

⇒Protozoa: a single-celled heterotrophic eukaroyotes, which eat bacteria and other food sources.

⇒Rhizobium: a nitrogen fixing bacteria that is commonly found in soil,especially in the root nodules of leguminous plants.

⇒Vaccine: a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from a causative agent of a disease,its product,or a synthetic substitute,treated to act as an antigen without inducing the disease.

⇒Virus: an infective agent that typically consists of a nucleic acid molecule in a protein coat,is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.

⇒Yeast: a microscopic fungus consisting of single oval cells that reproduce by budding, and capable of converting sugar into alcohol and carbon dioxide.

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