WorksheetsMicroorganisms- Our Friends and Foes
Total questions: 12
Worksheet time: 6mins
The study of microorganisms is called ---------------------.
(a)
---------- was the first microbiologist who established the existence of bacteria.
(a)
It lies on the borderline of living and non living things.
Algae
Bacteria
Protozoa
Virus
The ability of the body to fight against germs or infections is called----------.
(a)
The pathogens that cause food poisoning are:
Clostridium
Lactobacillus
Aspergillus
Rhizobium
Identify the protozoans among the following microorganisms:
Yeast
Plasmodium
Euglena
Paramoecium
The microorganism that converts milk into curd is:
Rhizobium
Rhizopus
Lactobacillus
Amoeba
The microorganisms that help in fixing Nitrogen into usable form are:
Cyanobacteria
Rhizobium
Rhizopus
Yeast
The chemicals obtained from certain microorganisms to kill other disease causing microorganisms are called --------------.
(a)
Tuberculosis is caused by:
Bacteria
Fungus
Protozoa
Worms
Four students in a class make the following observations. Choose which student is correct.
Ravi says that all microorganisms are found in the ocean. Some are helpful, but some are harmful. It's best to shower after swimming at the beach.
Sumit says that all microorganisms are harmful. This is why we must get vaccinations and antibiotics from the doctor.
Rani says that some microorganisms are helpful and some are harmful. The best way to protect ourselves from harmful microbes is to wash our hands with soap and water.
Anu says it's impossible to become sick from bacteria. Only viruses and fungi can make a person sick. Make sure to sneeze in your elbow to prevent the spread of germs.
