Microorganisms friends and foe Worksheet-2
Fill in the blanks:
Meat and fish are covered by ______ to check the growth of microorganisms.
In jams and jellies sugar reduces ______ content which inhibits the growth of bacteria.
In _______ the milk is heated to about 70ºC for 15 to 30 seconds and then suddenly chilled and stored.
The most common carrier of communicable disease is _____.
Pickles are preserved by adding ______ or ________.
Citrus canker is caused by ________.
_______ is dangerous human and cattle disease caused by bacterium.
Anthrax is dangerous human and cattle disease caused by______.
_______ is the protozoan which causes malaria.
_______ is the carrier of malaria or dengue.
_______ group of algae helps in nitrogen fixing.
_______ is the bacteria used for production of acetic acid a from alcohol. s
Foot and mouth disease is caused by_____.
Antibodies are _____ made by immune system of the body which attack the foreign bodies and prevent diseases.
_____ made by immune system of the body which attack the foreign bodies and prevent diseases.
Cholera is caused by ______.
Bacillus, coccus and spirillum are types of ______.
Rust of wheat is caused by _____.
_____ reproduce only inside the cells of the host organism.
Common ailments like cold, influenza (flu) and most coughs are caused by ______.
Diseases like dysentery and malaria are caused by _____.
Typhoid and tuberculosis (TB) are ______ diseases
In agriculture bacteria are used to increase ______ by fixing nitrogen.
The bacterium ______ promotes the formation of curd.
_____ is used for commercial production of alcohol and wine.
Process of conversion of sugar into alcohol is known as ______.
When a disease-carrying microbe enters our body, the body produces ______ to fight the invader.
Disease causing microorganisms are called as ______.
Diseases that can spread from an infected person to a healthy person through air, water, food or physical contact are called ______ diseases.
Female Anopheles mosquito carries the parasite of ______ disease.
Chemicals used to check the growth of microorganisms are called ______.
_____ milk can be consumed without boiling as it is free from harmful microbes
The method of pasteurization was discovered by _____.
_____ bacteria lives in the root nodules of leguminous plants.
(dry salt, salt)
(salt, sugar, vinegar, preservative)
(Vibrio cholerae, bacteria)