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In biology, a taxon is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit.
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Although neither is required, a taxon is usually known by a particular name and given a particular ranking, especially if and when it is accepted or becomes established.
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If a taxon is given a formal scientific name, its use is then governed by one of the nomenclature codes specifying which scientific name is correct for a particular grouping.
*Conrad Gessner is the father of applied zoology.
- He was a Swiss physician, naturalist, and linguist.
- In 1559 he was the first to describe plants and animals in Europe, such as the tulip. Many plants and animals are named after him.
- Gastrin is a hormone that is produced and released by certain cells in the stomach, known as G cells, which are primarily located in the antrum of the stomach.
- Gastrin plays a key role in the regulation of gastric acid secretion and the digestive process.
- Gastrin stimulates the parietal cells in the lining of the stomach to produce and release gastric acid (hydrochloric acid). This acid is essential for the digestion of food, especially proteins.
- Gastrin also stimulates the production of pepsinogen, an inactive precursor of pepsin, an enzyme that breaks down proteins into smaller peptides.
- Gastrin can influence the rate at which the stomach empties its contents into the small intestine.
- Gastric acid secretion is under nervous and hormonal control.
- Gastrin, the major circulating stimulus of acid secretion, acts to mobilize histamine from the ECL cells in the oxyntic mucosa.
- Histamine stimulates the parietal cells to secrete HCl.
- The PNS consists of the nerves and ganglia outside the brain and spinal cord.
- The main function of the PNS is to connect the CNS to the limbs and organs.
- It serves as a relay between the brain and spinal cord and the rest of the body.
?The phenomenon of rising or falling of the liquid level in a capillary tube against the gravitational force is called capillarity
? The rise and fall of liquid in a capillary tube is called capillarity. Application is Oil rises in the long narrow spaces between the threads of the wick as they act as a capillary. Capillary rise is due to adhesion. An Example is water in a glass tube.
?A liquid that shows capillary falls is mercury
- Karnataka has been ranked first in establishing Health and Wellness Centres under Ayushman Bharat Program to provide comprehensive primary health care in rural areas.
- Karnataka is leading in implementing the project for 2020-2021.
- While the Centre had set a target of establishing 2,263 centres, the State has upgraded 3,300 centres till March 31. With a score of 90 out of 95, the state ranks on top when it comes to the implementation of the project for the year 2020- 21 as per the health and family welfare department.
feni is the processed product from cashew apple juice . Other important processed drinks are
1 . Neera from coocnut
2 . Cider from Apple
- Tomatoes appear red in colour due to the presence of the pigment lycopene
- The yellow color of turmeric is due to curcumin
- Brown colour of these algae results from the dominance of the xanthophyll pigment fucoxanthin
- Carrots and other orange fruits and vegetables are rich in a pigment known as beta-carotene
- Galena is an ore of lead.
- Bauxite is an ore of aluminium.
- Cinnabar is an ore of mercury.
- Magnetite and hematite are ores of iron.
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