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

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

• Asthma– Aspergillus 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