The bacterium that causes tuberculosis (TB) is Mycobacterium. Specifically, the species Mycobacterium tuberculosis is responsible for causing the disease, which primarily affects the lungs but can also impact other parts of the body.
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The bacteria found in the human intestine is Escherichia coli. It is a common and normally harmless bacterium that is part of the gut flora. It aids in digestion and synthesizes certain vitamins for the human body.
Bacteria are not able to survive in pickles with excess salt because their protoplasms get shrunk due to osmotic pressure, leading to dehydration and death. This process, called plasmolysis, inhibits bacterial growth and preserves the pickles.
Root nodules are found in some leguminous plants and also in some other plants. These nodules house nitrogen-fixing bacteria, such as Rhizobium, which convert atmospheric nitrogen into a form usable by the plant, aiding in plant growth and soil fertility.
The bacteria which directly convert atmospheric nitrogen into nitrogenous compounds are called nitrogen-fixing bacteria. These bacteria, such as Rhizobium and Azotobacter, play a crucial role in the nitrogen cycle by making atmospheric nitrogen available to plants in the form of ...
The smallest organism among the options provided is the virus. Viruses are much smaller than bacteria, mycoplasma, and yeast. They are submicroscopic infectious agents that can only replicate inside the living cells of a host organism.
Louis Pasteur is renowned for his contributions to the germ theory of diseases and the process of fermentation of alcohol. His work revolutionized microbiology and medicine, leading to the development of vaccines and pasteurization techniques to ensure food safety.
The study of plants producing vegetables is called alericulture. Alericulture involves the cultivation, breeding, and production of vegetable crops for consumption, focusing on improving quality and yield.
The study of pollen grains is called palynology. It involves the analysis of pollen and spores to understand plant ecology, evolution, and history. Palynology is used in fields such as botany, archaeology, and geology to study past climates and environments.
The study of fruits is called pomology. It focuses on the cultivation, harvesting, storage, and processing of fruits. Pomology is an important branch of horticulture that aims to improve fruit quality and yield while promoting sustainable practices.