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Repost from Yakeen 2.0 Mr sir AITS TEST papers
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Important Points For NEET 🌟
Evidences from comparative morphology and anatomy :-
⚡️Examples of homologous organs:⚡️
(i) Forelimbs of mammals
(ii) Thorn of Bougainvillea and tendril of Cucurbita both are modification of axillary bud.
(iii)Vertebrate hearts or brains
(iv)Mouth parts of insects :
Cockroach Honey bee Mosquito
(Biting & chewing) (Chewing & lapping) (Piercing & Sucking)
(v) Testes in male and ovaries in female
(vi) Potato and Ginger - both are modified shoot
(vii) Radish and Carrot - both are modified roots
⚡️Examples of Analogous organs :⚡️
(i) Wings of butterfly and birds
(ii) Eye of the octopus and of mammals
(iii) Flippers of Penguins and Dolphins
(iv) Sweet potato (root modification) and potato (stem modification)
(v) Sting of bee and scorpion
(vi) Chloragogen cells of earthworm and liver of vertebrates
🍒BORON:
•In casting of copper as a dioxidizer
•Boron rods used in automic reactor.
•Boron fiber used in bullet proof jacket,
•In composite material of aircraft
•Used in braintumer therapy.
🍒 BORAX:
•As a flux for soldring metal.
•In borex bead test
•In softning of water
•Antiseptic
•Manufacturing of enamels of glazes, tiles.
•For making optical and borosilicals SS.
•Food preservative
🍒 ALUMINIUM:
• Making house hold, untensils, frames, roof,aircrafts.
• Electric wire.
•Thermite process (In metallurgy of Cr, Mn, Fe)
•For transportin nitric acid.
•AI, Hg used as reducing agent.
•Aluminium powder + Ammonium nitrate.
🍒 LEAD [Pb]:
•In making telegraph and telephone wires
•Making bullets
•Making chamber in HSO, process.
🍒 NITROGEN:
•In the manufacturing of HNO3, NH3, CaCN2.
•Liquid nitrogen used as refrigrant.
•Inert atmosphere in metallurgy.
•Gas thermometer and electrical bulb
🍒 NH3:
• Refrigeration
•Manufacturing HNO3, NaHCO3
•Artificial Silk.
• Urea Formation
•For solvent
🍒 HNO3:
• Manufacturing of ammonium nitrateas fertilizer.
•In explosive
• For making nitroglycerine.
• Making TNT.
• Pickling against of stainless steel.
• Etching of Metal
•Oxidizer in rocket fule.
✌️IMP OF PLANT KINGDOM✌️
👉Isogamous sexual reproduction in algae- Ulothrix (flagellated)
Spirogyra (non-flagellated)
👉Anisogamous sexual reproduction in algae- Udorina
👉Oogamous sexual reproduction in algae- Volvox, Fucus
👉Algin- Brown Algae
👉Carragreen - Red Algae
👉Agar- Gelidium, Gracilaria
(Red algae)
👉Motile asexual spores in algae- Zoospores
👉Laminarin, Mannitol- Complex carbohydrates of Brown algae
👉Fucoxanthin- Brown Algae
👉Phycoerythrin- Red Algae
👉Floridean Starch Found in Red algae, similar to amylopectin and glycogen
👉The main plant body is a gametophyte- Bryophytes
👉Peat- Sphagnum
👉Microphylls- Selaginella
👉Macrophylls- Fern
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NEET UG - Chapter test: living world +biological classification Neet 2022_2023 Concepts Explained on Unacademy
Understand the concept of Chapter test: living world +biological classification Neet 2022_2023 with NEET UG course curated by Monika Mishra on Unacademy. The Biology course is delivered in Hinglish.