Railways RRB Group D 2018 Study Material – General Science, Current Affairs, General Knowledge, Reasoning and Quantitative Aptitude

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Railway Recruitment Board has scheduled Group D Exam from 17th September 2018. To help you with your preparation we are providing Railway Group D Study Material and Notes. Here you can get notes for General Science, Current Affairs, General Knowledge, Reasoning and Quantitative Aptitude. 

Important Questions from Biology

Discoveries and Inventions

  • Dead cell was discovered by – Robert Hook
  • Living cell was discovered by – Lewen Hook
  • ECG was invented by – Iwanyaan
  • Insulin was discovered by – Frederick Banting
  • Cholera vaccine was invented by – Waldemar Haffkine
  • Chicken pox vaccine was invented by – Edward Jenner
  • Penicillin was discovered by – Alexander Flemming
  • Tuberculosis vaccine B.C.G was invented by – Guerin Calmatte
  • Polio vaccine was invented by – Johan E Salk
  • Theory of Evolution – Charles Darwin
  • Father of Biology – Aristotle
  • Father of Zoology – Aristotle
  • Father of Botany- Theophratus
  • Father of Taxonomy- Carlos Linus
  • Taxonomy deals with – Identification of nomenclature of living Organism
  • Anatomy deals with – Gross internal structure of living organisms with naked eye
  • Bacteria present in curd is – Lacto Bacillus
  • Biology termed by given by -Lamarck and Treviranus
  • Five kingdom classification was proposed by – R.H. Whittaker

Human Diseases and its Causes

Diseases caused by Protozoa

  • Malaria                    – Plasmodium vivax -Female Anophelies
  • Pyorrhoea                – Entamoeba gingivelis
  • Diarrhoea                – Entamoeba histolytica
  • Sleeping sickness     – Trypanosoma – Tse-Tse flies
  • Kala-ajar                 – Leismania donovani – Sand flies

Diseases caused by Bacteria and name of Bacteria

  • Tetanus            –           Clostridoum Tetani
  • Cholera            –           Vibrio Cholerae
  • Typhoid            –           Salmonella Typhia
  • Tuberculosis     –           Mycobacterium tuberculosis
  • Diphtheria        –          Corynebacterium diphtheriae
  • Plague              –          Pasteurella pesties
  • Whooping cough –         Hemophilis pertusis
  • Pneumonia        –         Diplococcus pnemoniae
  • Leprosy             –         Mycobacterium leprae
  • Gonorrhea        –          Neisseria Gonorrhoeae
  • Syphilis            –          Treponema pallidum

Diseases caused by virus and name of the virus

  • Dengue Fever – Billions of virus

  • AIDS – Human Immune Virus (HIV)

  • Influenza (FLU)- Mixo virus

  • Polio – Polio virus

  • Small pox – Varicella virus

  • Chicken pox – Variola virus

  • Measles – Morbelic virus

  • Goitre 

  • Herpes – Herpes virus

  • Meningitis

  • Rabies – Rabies virus

  • Hepatitis or Jaundice

  • Trachoma – Pain in eyes

Diseases caused by Fungus & name of Fungus

  • AsthmaAspergillus fumigatus

  • Athlete’s foot- Tenia Pedes

  • Scabies – Acarus scabies

  • Baldness – Taenia capitis

  • Ringworm – Trycophyton Lerucosum

Vitamins and their chemical name

  • Vitamin A – Retinol

  • Vitamin B1 – Thymine

  • Vitamin C – Ascorbic acid

  • Vitamin D – Calciferol

  • Vitamin E – Tocopherol

  • Vitamin K – Phylloquinone

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