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WorksheetsMicroorganism - Friend and Foe
Total questions: 20
Worksheet time: 10mins
Microorganisms are
Unicellular
Multicellular
Both of these
None of these
_________ convert atmospheric nitrogen into plant usable form
viruses
protozoa
bacteria
fungi
You can find bacteria all over the world.
True
False
A disease causing organism
Pathogen
Poison
Vaccine
Prokaryote
Gas that makes up almost 78% of Earth's atmosphere
Oxygen
Carbon dioxide
Nitrogen
Hydrogen
The gas released during the preparation of bread is
oxygen
carbon dioxide
nitrogen
sulphur dioxide
The process of conversion of sugar into alcohol
Dehydration
Evaporation
Fermentation
Sweetening
Bacteria present in the root nodules of pea.
Rhizobium
Streptococcin
Salmonella
Staphylococcus
Amoeba belongs to
Algae
Fungi
Protozoa
Virus
Scientist who discovered fermentation is
Alexander Fleming
Louis Pasteur
John Mendal
Edward Jenner
Which of the following diseases is caused by a bacteria?
Chicken pox
Tuberculosis
Dengue
Polio
In order to take precautionary steps to control dengue, we must take measures to stop the breeding of:
Aedes mosquito
Fire ants
Anopheles mosquito
Fleas
Partial sterilization of a product such as milk at a high temperature is known as:
Filtration
Refrigeration
Pickling
Pasteurization
The bacterium present in curd is:
Salmonella typhi
Lactobacillus
Penicillin
Vibrio cholera
______ is used for the production of alcohol and wine.
Yeast
Virus
Algae
Amoeba
Which organisms are microscopic and reproduce on host cell?
Algae
Protozoa
Viruses
Bacteria
A plant disease called citrus canker is caused by a _________ .
Virus
Bacteria
Fungi
Protozoa
The process by which amount of nitrogen remains the same in the atmosphere is known as
Fermentation
Carbon cycle
Nitrogen cycle
Photosynthesis
This is ___________________
Penicillium
Bacteria
Paramecium
Bread mould
