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Hey guys this is my official channel. Will upload DPPs and all the resources related to NEET physics here..:)
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The latest Messages 5
2022-01-04 08:24:08
Good morning guys. 8:45AM
589 views05:24
2022-01-03 13:35:46
Father of Biology : Aristole
Father of Modern Biology: Linnaeus
Father of Antibiotics fb: Alexander Fleming
Father of Taxonomy : Carolus Linnaeus
Father of Immunology : Edward Jenner
Father of Microbiology : Anton van Leenuwenhoek
Father of Modern Microbiology : Louis Pasteur
Father of Medical Microbiology : Robert Koch
Father of Pathology : Rudolph Virchow
Father of Bacteriology : Robert Koch
Father of Virology : W.M.Stanley
Father of Embryology : Aristotle
Father of Modern Embryology : Ernst Von Baer
Father of Physiology : Stephan Hales
Father of Modern experimental physiology : Calude Bernard
Father of Genetics : Rev. Gregor Mendel
Father of Modern Genetics : Bateson
Father of Human Genetics/ Biochemical genetics : Arachibald Garrod
Father of Experimental Genetics : T.H. Morgan
Father of Haploid Genetics / Neurospora Genetics : Dodge
Father of Ecology : Theophrastus
Father of Cloning : Ian Willmut
Father of Plant anatomy : Grew
Father of Histology (Microscopic anatomy) : Malpighi
Father of Cytology : Robert Hooke
Father of modern Cytology : Swanson
Father of Paleontology : Leonard da Vinci
Father of modern Paleontology : Cuvier
Father of Concept of Evolution: Empedocles
Father of Botany: Theophrastus
Father of Modern Botany : Bauhin
Father of Zoology : Aristotle
Father of Biochemistry : Liebig
Father of Epidemiology : John Snow
Father of Plant Pathology : de Bary
Father of Modern Pathology : Rudolf Virchow
Father of Genetic Engineering : Paul Berg
Father of Gene therapy : Anderson
Father of Ethology : Konard Lorentz
Father of Endocrinology : Thomas Addison
Father of Eugenics : Galton
Father of Gerantology : Korenchevsk
Father of Palynology : Erdtman
Father of Stress physiology : Hans Selye
Father of Electrocardiography : Einthoven
Father of DNA Fingerprinting : Alec Jeffery
Father of Mycology : Micheli
Father of Bryology : Hedwig
Father of Phycology:Father of ATP cycle: Lipmann
Father of Chemotherapy :Father of Anatomy : Herophilus
Father of Modern Anatomy : Andreas Vesalius
Father of actinobiology / radiation biology : HJVS Muller
Father of Homeopathy : Hahnemann
Father of Ayurveda : Charka
Father of Surgery and Plastic Surgery : Susruta
Father of Blood circulation : William Harvey
Father of Medicine : Hippocrates
Father of Blood Group : Landsteiner
Father of Polio Vaccine : Jonas Salk
Father of Green Revolution: Norman Borlaug
106 views10:35
2022-01-03 13:35:46
Very Important For NEET :
Morphine - Papaver somniferum
Nicotine - Nicotiana tobacum
Marijuana - Cannabis sativa
Coca alkaloids - Erythroxylum coca
80 views10:35
2022-01-03 13:35:46
𝐀𝐋𝐋 𝐏𝐈𝐓𝐔𝐈𝐓𝐀𝐑𝐘 𝐆𝐋𝐀𝐍𝐃 𝐇𝐎𝐑𝐌𝐎𝐍𝐄𝐒 𝐓𝐎𝐆𝐄𝐓𝐇𝐄𝐑:
𝙏𝙍𝙄𝘾𝙆:- “𝐆𝐎𝐀𝐓 𝐅𝐋𝐀𝐏”
𝐄𝐱𝐩𝐥𝐚𝐧𝐚𝐭𝐢𝐨𝐧
i) 𝐆𝐇,
ii) 𝐎𝐗𝐘𝐓𝐎𝐂𝐈𝐍,
iii) 𝐀𝐂𝐓𝐇,
iv) 𝐓𝐒𝐇,
v) 𝐅𝐒𝐇,
vi) 𝐋𝐇,
vii 𝐀𝐃𝐇,
viii) 𝐏𝐑𝐎𝐋𝐀𝐂𝐓𝐈𝐍.
83 views10:35
2022-01-03 13:35:46
12. Reactivity=
C
13. Metallic character=
C< Si < Ge < Sn < Pb
14. Acidic character of the oxides=
Co2 > SiO2 > Ge02 > SnO2 > PbO2
15. Reducing nature of hydrides=
CH4 < SiH4 < GeH4 < SnH4 < PbH4
16. Thermal stability of tetrahalides=
CCl4> SiCl4> GeCl4> SnCl4 > PbCl4
17. Oxidising character of M+4 species=
GeCl4 < SnCl4 < PbCl4
18. Ease of hydrolysis of tetrahalides=
SiCl4 < GeCl4 < SnCl4 < PbCI4
19. Acidic strength of trioxides=
N203 > P2O3 > As2O3
20. Acidic strength of pentoxides=
N2O2 > P2O2> As202 > Sb2O2 > Bi202
21. Acidic strength of oxides of nitrogen=
N2O < NO
22. Basic nature/ bond angle/ thermal stability and dipole moment of hydrides=
NH3 > PH3 > AsH3 > SbH3 > BiH3
23. Stability of trihalides of nitrogen=
NF3 > NCl3 > NBr3
24.Lewis base strength=
NF3
25. Ease of hydrolysis of trichlorides=
NCl3 > PCI3 > AsCl3 > SbCl3 > BiCl3
26. Lewis acid strength of trihalides of P, As, and Sb=
PCl3 > ASCl3 > SbCl3
27. Lewis acid strength among phosphorus trihalides
PF3 > PCl3 > PBr3 > PI3
28. Melting and boiling point of hydrides=
H2O > H2Te > H2Se >H2S
29. Volatility of hydrides=
H2O < H2Te < H2Se < H2S
30. Reducing nature of hydrides=
H2S < H2Se < H2Te
31. Covalent character of hydrides=
H2O < H2S < H2Se < H2Te
32. The acidic character of oxides (elements in the same oxidation state)=
SO2 > SeO2 > TeO2 > PoO2
SO3 > SeO3 > TeO3
33. Acidic character of oxide of a particular element (e.g. S)=
SO < SO2 < SO3
SO2 > TeO2 > SeO2 > PoO2
34. Bond energy of halogens=
Cl2 > Br2 > F2 > I2
35. Solubility of halogen in water =
F2 > Cl2 > Br2 > I2
36. Oxidising power=
F2 > Cl2 > Br2 > I2
37. Enthalpy of hydration of X ion=
F- > Cl- > Br- >I-
38. Reactivity of halogens:=
F> Cl> Br > I
39. Ionic character of M-X bond in halides
= M-F > M-Cl > MBr > M-I
40. Reducing character of X ion:=
I- > Br- > Cl- > F-
41. Acidic strength of halogen acids=
HI > HBr > HCI > HF
42. Reducing property of hydrogen halides
= HF < HCL < HBr < HI
43. Oxidising power of oxides of chlorine
= Cl2O > ClO2 > Cl206 > Cl2O7
44. Decreasing ionic size=
02- > F- > Na+ > Mg2+
45. Increasing acidic property=
Na2O3 < MgO < ZnO< P205
46. Increasing bond length=
N2 <02 < F2 < CL2
47. Increasing size=
Ca2+ < Cl- < S2-
48. Increasing acid strength=
HClO < HClO2 < HClO3 < HClO4
49. Increasing oxidation number of iodine=
HI< I2
50. Increasing thermal stability=
HOCl < HOClO < HOClO2 < HOClO3
»»--☆
84 views10:35
2022-01-03 13:35:46
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.
79 views10:35
2022-01-03 13:35:46
𝐒𝐎𝐌𝐄 𝐈𝐌𝐏𝐎𝐑𝐓𝐀𝐍𝐓 𝐂𝐎𝐍𝐍𝐄𝐂𝐓𝐈𝐍𝐆 𝐋𝐈𝐍𝐊𝐒 𝐁𝐄𝐓𝐖𝐄𝐄𝐍 𝐆𝐑𝐎𝐔𝐏𝐒
1. Bacteria & Fungi
Actinomycetes
2. Reptiles & Birds
Archaeopteryx
3. Chordates & Non-chordates
Balanoglossus
4. Cartilaginous & Bony fishes
Chimera (Rabbit fish/Ratfish)
5. Bryophytes & Pteridophytes
Club moss
6. Coelenterates & Platyhelminthes
Ctenophora
7. Pteridophytes & Gymnosperms
Cycas
8. Reptiles & Mammals
Echidna (Spiny ant eater)
9. Animals & Plants
Euglena
10. Gymnosperms & Angiosperms
Gnetum
11. Protista & Bryophytes
Hornworts
12. Pisces & Amphibia
Latimeria
13. Protista & Fungi
Myxomycetes
14. Annelida & Mollusca
Neopilina
15. Reptiles & Mammals
Ornithorhynchus (Duck billed platypus)
16. Annelida & Arthropoda
Peripatus (walking worm)
17. Protozoa & Porifera
Proterospongia
18. Bony fishes & Amphibia
Protopterus (Lung fishes)
19. Virus & Bacteria
Rickettsia
20. Amphibia & Reptiles
Seymouria
21. Amphibia & Reptilia
Sphenodon (Living fossil lizard)
22. Echinodermata & Chordata
Tornaria larva
23. Annelida & Mollusca
Trochophore larva
24. Living & non-living
Virus
25. Protozoa & Metazoa
Xenoturbella
96 views10:35
2022-01-03 13:35:45
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
113 views10:35
2021-12-28 17:28:57
today at 8:15 pm on yt
397 views14:28
2021-12-27 19:04:45
Tips to your study easy and interesting!
Watch now: https://unacademy.onelink.me/k7y7/d6eda7ad
189 views16:04
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