This document discusses microorganisms and their uses. It defines microorganisms as microscopic living organisms that may be single or multicellular. It lists different types of microorganisms including bacteria, viruses, fungi and protozoa. It then describes several useful functions of microorganisms such as making bread, curd and cake, aiding digestion, producing medicines like antibiotics and vaccines, increasing soil fertility, cleaning the environment, and producing alcohol, wine and other products.

1. USEFUL MICROORGANISMS
DHRUV KISHNANI
S3 D

2. WHAT IS MICROORGANISM?
A microorganism (from
the Greek: μικρός, mikros,
"small" and ὀργανισμός,
organismós, "organism")
is a microscopic living
organism, which may be
single celled[1] or
multicellular.

3. TYPES OF MICROORGANISMS
BACTERIA VIRUS FUNGI PROTOZOA

4. USES OF MICROORGANISM
MAKE BREAD, CURD & CAKE
MEDICINAL USE
INCREASING SOIL FERTILITY
CLEANING THE ENVIRONMENT
VACCINE
PRODUCTION OF ALCOHOL & WINE

7. BACTERIA THAT AID DIGESTION
 LACTOBACILLUS ACIDOPHILUS
 BIFIDOBACTERIA
 STREPTOCOCUS THERMOPHILUS
 LACTOBACILLUS BULGARICUS
 THIS BACTERIA IS FOUND IN INTESTINES
 &

8. MEDICINE
SOME MICROORGANISMS HELP TO PRODUCE DRUGS
CALLED ANTIBIOTICS & VACCINES
FUNCTION OF ANTIBIOTICS & VACCINES
TO WEAKEN AND KILL OTHER MICROORGANISMS
EG. Streptomycin, tetracyclin and erythromycin
Penicillium notatum is GREEN MOULD
IT IS USED TO MAKE PENICILLIN
VACCINES FOR CHOLERA, SMALL POX, TB,
HEPATITIS ARE USED

10. AGRICULTURE
BACTERIA PLAY IMPORTANT ROLE
TO PROMOTE PLANT GROWTH
THEY BREAK DOWN DEAD
PLANTS & ANIMALS BY
RELEASING AMMONIA

12. PRODUCTION OF BREAD
 YEAST CAUSES THE BREAD TO RISE
BY PRODUCING CARBON DI OXIDE
FROM THE CARBOHYDRATES IN THE
DOUGH
 CARBON DI OXIDE GAS BUBBLES
RELEASED IN THE DOUGH CAUSE
THE DOUGH TO RISE
 THAT’S HOW THE BREAD IS FLUFFY


13. PRODUCTION OF ALCOHOL,
VINEGAR & WINE
YEAST IS USED TO PRODUCE ALCOHOL,
WINE & ACETIC ACID
YEAST IS GROWN ON NATURAL SUGARS
PRESENT IN GRAINS LIKE BARLEY,
WHEAT, RICE ETC.
THE SUGAR CONVERTS INTO ALCOHOL
THROUGH THE PROCESS OF
FERMENTATION

14. CLEANING THE ENVIRONMENT
MICROORGANISM HELP TO
BREAK DOWN WASTE OF
PLANTS, VEGETABLES &
FRUITS.
WHEN DECOMPOSED IN A PIT,
THE WASTE CONVERTS TO
MANURE

15. INDUSTRY
BACTERIA ARE USED IN THE PRODUCTION OF
 PACKAGED MILK
 YOGHURT
 CHEESE
 VINEGAR
 SOY SAUCE
 CHOCOLATES
 CITRIC ACIDS