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2. Control & Co ordination Part 1

Part 2 -
https://t.me/CBSE_Class_10th_Notes_Science/809?single
Join & Share for more notes
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Class 12 Physics Revision Notes

◻️ Revision 1 Electric Charges And Fields
https://t.me/CBSE_Class_11_12th_Science_Notes/997

◻️ Revision 2. Electrostatic Potential And Capacitance
https://t.me/CBSE_Class_11_12th_Science_Notes/998

◻️ Revision 3. Current Electricity
https://t.me/CBSE_Class_11_12th_Science_Notes/999

◻️ Revision 4. Moving charges and Magnetism
https://t.me/CBSE_Class_11_12th_Science_Notes/1000

◻️ Revision 5. Magnetism And Matter
https://t.me/CBSE_Class_11_12th_Science_Notes/1001

◻️ Revision 6. Electromagnetic Induction
https://t.me/CBSE_Class_11_12th_Science_Notes/1002

◻️ Revision 7. Alternating Current
https://t.me/CBSE_Class_11_12th_Science_Notes/1003

◻️ Revision 8. Electromagnetic Waves
https://t.me/CBSE_Class_11_12th_Science_Notes/1004
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Chemistry Class 12 Revision Notes

◻️ Revision 1. Solid State Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1007

◻️ Revision 2. Solutions Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1008

◻️ Revision 3. Electrochemistry Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1009

◻️ Revision 4. Chemical Kinetics Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1010

◻️ Revision 5. Surface Chemistry Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1011

◻️ Revision 6 General Principles and Processes of Isolation of Elements
https://t.me/CBSE_Class_11_12th_Science_Notes/1012

◻️ Revision 7. The p-Block Elements Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1013

◻️ Revision 8. The d-and f-Block Elements Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1014

◻️ Revision 9. Coordination Compounds Notes
https://t.me/CBSE_Class_11_12th_Science_Notes/1015
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⭐️ 12th Notes Best Typed Chapter wise Notes ⭐️
https://t.me/CBSE_Class_11_12th_Science_Notes/937
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⭐️ 11th Notes Best Typed Chapter wise Notes ⭐️
https://t.me/CBSE_Class_11_12th_Science_Notes/870
━━━━━━━━━━━━━━━━━━━━
🔰 All Subject Exercise Solution Class 12 NCERT CBSE
https://t.me/Class_12_NCERT_CBSE_Solution/391
━━━━━━━━━━━━━━━━━━━━
PCMB REVISION NOTES
PHYSICS -
https://t.me/Class_10th_11_12th_Science_Notes/9255
CHEMISTRY -
https://t.me/Class_10th_11_12th_Science_Notes/9256
BIOLOGY -
https://t.me/Class_10th_11_12th_Science_Notes/9257
MATHEMATICS -
https://t.me/Class_10th_11_12th_Science_Notes/9258
━━━━━━━━━━━━━━━━━━━━
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🌟 Important Points of NCERT 🌟

1. 1770 : Joseph Priestley - Essential role of air in growth of green plant.
2. 1774 : Joseph Priestley - Discovered O2.

3. 1831 : Robert Brown - Ist discovered and described nucleus.

4. 1838 : Schleiden (German Botanist) - Work on plants.
5. 1839 : Schwann(British Zoologist) - Work on both plants & animals.

6. 1855 : Rudolf Virchow - Omnis cellula-e-cellula (cells arises from
pre-existing cells).

7. Life originate from pre-existing life : Pasteur (Yeast).

8. Life originate from non-living (decaying & rotting matter) : Spontaneous
generation.

9. Life originate from pre-existing non-living organic molecules (RNA,
Protein)- Oparin (Russia) & Haldane (England)- Chemical Evolution.

10.  : Mendal experiment on garden pea. (7 years)
11. 1860 : Julius von Sachs - Developed hydroponics.

12. 1865 : Mendal published his work.

13. 1866 : Langdon Down - Down’s syndrome.

14. 1869 : Friedrich Meischer - Ist identified DNA and named it nuclein.

15. 1891 : Henking - Discovered X-body.

16. 1891 : Fossil discovered in Java - Homo erectus.

17. 1892 : Ivanowsky - Discovered virus.

18. 1898 : Beijerinek - Contagium vivum fluidum (infectious living fluid).

19. 1898 : Camillo Golgi - Discovered (observed) G.B.

20. 1900 : de Vries, Corre ns and von Tsche rmak inde pende ntly
rediscovered Mendel’s results.

21. 1902 : Chromosome movement during meiosis has been worked out.

22. 1905 : Law of limiting factor (Blackmann).

23. 1928 : Fredrick Griffith - Transforming experiment with Streptococcus
pneumoniae (Diplococcus).

24. 1935 : Stanley - Crystallised viruses.

25. 1937 : Ramde o Misra obtained Ph.D. in Ecology from Lee ds
university (U.K.).

26. 1938 : Coelocanth fish caught in South Africa.

27. 1945 : Fleming, Chain & Florey - Awarded Nobel prize.

28. 1950 : Watson obtained Ph.D. on a study of the effect of hard X-rays
on bacteriophage multiplication.

29. 1951 : Family planning programme started in India.

30. 1952 : Hershey & Chase-experiment on bacteriophage or Bacterial virus
gives unequivocal proof that DNA is the genetic material.

31. 1953 : Miller experiment - Methane, ammonia, hydrogen & water
vapour.

32. 1953 : Watson & Crick - Double helical structure of B-DNA &
replication scheme.

33. 1953 : Palade : Discovered ribosome.

34. 1954 : Ramachandran - Triple helical model of collagen, published
in Nature.

35. 1954 : Crick complete d Ph.D. on a thesis “X-rays diffraction :
polypeptides and proteins.

36. 1958 : Meselson & Stahl - Work on E.coli proves semiconservative
replication of DNA in prokaryotes.

37. 1958 : Taylor - Work on Vicia faba proves semiconservative replication
of DNA in eukaryotes.

38. 1960 : Katherine Esau - Published “Anatomy of Seed Plants.”

39. 1961 : Melvin Calvin - Nobel Prize.

40. 1962 : Watson, Crick and Wilikins - Nobel Prize.

41. 1963 : Wheat varieties (Sonalika & Kalyan sona) introduced.

42. 1963 : Two enzyme responsible for restricting growth of bacteriophage
in E.coli were isolated.

43. 1966 : Derivative of IR-8 & Taichung native-I introduced.

44. 1969 : Whittaker - Five kingdom classification.

45. 1971 : Govt. of India legalized MTP.

46. 1971 : Diener- Discovered Viroid(free RNA without capsid).

47. 1972 : Singer & Nicolson - Fluid mosaic model.

48. 1972 : Stanley Cohen & Herbert Boyer - Formed Ist recombinant DNA.

49. 1972 : Establishme nt of NCEPC - National Committe e for
Environmental Planning & Coordination.

50. 1974 : Water act.

51. 1980 : Joint forest management, (JFM).

52. 1981 : AIDS was Ist reported.

53. 1981 : Air act.

54. 1983 : Eli Lily (An American company) produces insulin in E.coli by
recombinant DNA technology.

55. 1984 : Establishment of MOEF : Ministry of Environment & Forest.

56. 1986 : Environment Protection Act.

57. 1987 : Montreal protocol. Held in Montreal, Canada.

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