Microbiology is the study of :
Microbiology is the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.
Leeuwenhoek observed in a drop of pond water :
Leeuwenhoek observed large number of living microorganisms in a drop of water when observed under microscope. These organisms are not visible by naked eyes
Pasteur discovered :
Budding in yeast is a asexual means of reproduction. Fermentation is the anaerobic respiration in which alcohol is produced. Both these process are discovered by Luis Pasteur.
Rhizobium is a bacteria found in soil that helps in fixing nitrogen in leguminous plants. It attaches to the roots of the leguminous plant and produces nodules. These nodules fix atmospheric nitrogen and convert it into ammonia that can be used by the plant for its growth and development.
Ivanovsky discovered virus from :
Ivanovsky, a Russian scientist, discovered virus while looking for the cause of tobacco mosaic disease using a filter for bacteria.
Scientist who discovered fermentation is
Fermentation is the process of conversion of sugar into alcohol. The scientist who discovered fermentation was Louis Pasteur in 1857.
The microorganism which helps in fermentation is :
Fermentation is the process in which yeasts convert sugar into ethanol in the absence of oxygen. The fermentation process is used to produce alcoholic beverages.
Agents in infectious diseases responsible are called
There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths. In addition, a new class of infectious agents, the prions, has recently been recognized. A brief review of the general characteristics of each of these agents and examples of some diseases they cause follows.
Which two words are synonyms?
Microorganism and microbe are two words having same meaning, very small organism that cannot be seen with naked eyes. So, microorganism and microbe are synonyms.
Germ theory of disease was established by :
Proving the germ theory of disease was the crowning achievement of the French scientist Louis Pasteur. He was not the first to propose that diseases were caused by microscopic organisms, but the view was controversial in the 19th century, and opposed the accepted theory of “spontaneous generation”.