The document discusses bacteria and their classification. It begins with an introduction to bacteria, noting they evolved 4 billion years ago. It then covers the discovery of bacteria under a microscope in the 1600s. The document outlines where bacteria can be found, including in air, water, soil, plants, animals, and the human body. It classifies bacteria by shape and other characteristics, and discusses both useful and harmful bacterial species. It concludes by thanking the reader for their cooperation.

1. IN THE NAME OF ALLAH
THE MOST BENIFICIANT
THE MOST MERCIFULL
WELLCOM TO ALL OF YOU PEOPAL

2. GROUP 7 GBSN SPARTANS
ZAKIR ULLAH
BILAL KHAN
IJAZ AHMED
ARFAN ULLAH
TAJ QADRI

3. BECTERIA
PROKARIOTS
4 BILLIONS YEARS AGO

4. DISCOVERY OF BECTERIA
LEWEN HOCK
MICROSCOPE
Tiny object
Rainy water
saliva
vineger
Animalcules ( Becteria)

5. Occurance of becteria
Air
Land
Water
Man
Animals
Plants
Decaying organic mater
Oil deposit
Food

6. Shapes of bacteria
Cocci ( spherical) e.g stephylococus
Bacili (rod like) e.g E coli
Spairal (spiral) e.g treponema
Vibrio (comma ) e.g cholera

7. Classification
of becteria
Gram +ve
Gram -ve
oxygen
Autotrophic
hetotrophic
Presence of
flagila

8. Usefull becteria
• E coli
• Streptomyces
• Rizobium
• Cynobecteria
• Lactobacillus

9. HARMFULL BACTERIA
SALMONELLA
LISTERIOSIS
MYCOBECTERIUM (T B)
Haemafhilus influenza
Streptococcus pneumonie
E – coli
Clossteridum tetani
Yasinia pestis

10. Facts
Babies
Male employies
Chocolate
Mouth
Mobaile phone
Sweat
Mycoplasma (0.3mm)
Gut flora , skin
biolominenesence

11. Thanks for co operating with us
WASSALAM
GBSN SPARTANS