Most resistant organic material
WebJun 29, 2024 · The materials have been bombarded not only with water but with various other liquids including coffee, ketchup, sodium hydroxide, and various acids and bases — and have repelled all of them well. The coated materials have been subjected to repeated washings with no degradation of the coatings, and also have passed severe abrasion … WebThe hard outer layer called the exine is made up of sporopollenin which is one of the most resistant organic materials known. Q. Two mark Questions: Name the organic …
Most resistant organic material
Did you know?
Web2.) Buckypaper. It is well-known since the late 20th-century that there's a form of carbon that's even harder than diamonds: carbon nanotubes. By binding carbon together into a hexagonal shape, it ... WebWhich among the following is not a characteristic feature of sporopollenin? (1) Sporopollenin is one of the most resistant organic material known. (2) It can withstand high …
WebA (topsoil): Mostly minerals from parent material with organic matter incorporated. A good material for plants and other organisms to live. E (eluviated): Leached of clay, minerals, and organic matter, leaving a concentration of sand and silt particles of quartz or other resistant materials – missing in some soils but often found in older soils and forest soils. WebCorrect option is C) Sporopollenin is the major component of exine of spores and pollen. It is extremely resistant to chemicals and enzymes. It is chemically stable and remains unchanged in pollen grains even that are 500 million years old. Hence it is the most resistant biological material known. Thus the correct answer is option C.
WebFeb 28, 2024 · 4. Polypropylene. Polypropylene is one of the most popular and most utilized thermoplastics worldwide. It is resistant to chemicals like diluted acids, alcohol, and bases – comparatively lower but good resistance … WebMay 14, 2024 · Here are 5 eco-friendly food packaging options that are better for the planet — and your health. 1. Glass containers. Glass has a multitude of uses and benefits for daily life. It’s a reusable ...
WebWhich among the following is not a characteristic feature of sporopollenin? (1) Sporopollenin is one of the most resistant organic material known. (2) It can withstand high pressures. (3) No enzyme that degrades sporopollenin is known. (4) The exine exhibits a fascinating array of patterns and designs. Sexual Reproduction in Flowering Plants Botany - Mini …
WebMost resistant biological material is Or An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is . A. Ligin. B. … glay precious 歌詞WebSep 9, 2024 · 5. Polytetrafluoroethylene (PTFE) PTFE, commonly referred to by its brand name Teflon, is a chemical- and corrosion-resistant engineering thermoplastic with the lowest friction coefficient of any known solid material. PTFE is hydrophobic, meaning it won’t absorb water, and has good electrical insulating power in both hot and wet … glay - pure soulWebMar 24, 2024 · How to use Sporopollenin, an organic material is present in – EDUREV.IN. The hard outer layer called exine is made up of sporopollenin which is one of the most resistant organic material. It can withstand high temperature, strong acids and alkalis. Sporopollenin that is present in exine of pollen grain Upvote 2. glay preciousWebOrganic matter in the form of serum, blood, pus, or fecal or lubricant material can interfere with the antimicrobial activity of disinfectants in at least two ways. Most commonly, … body discriminationWebSporopollenin is one of the most chemically inert biological polymers. It is a major component of the tough outer (exine) walls of plant spores and pollen grains. It is … body discovery studioglay over drive judy and maryWebOct 10, 2024 · Carbonaceous materials are common components of fossils (Muscente et al., 2024a), and extracellular walls and sheaths are the microbial characters with the greatest potential for preservation ... glay puremoru