NEW
Font size
WorksheetsMicroorganisms Test Practice
Total questions: 20
Worksheet time: 7mins
What is the main difference between viruses and bacteria?
Viruses have a nucleus, bacteria do not
Bacteria are alive, viruses are not
Viruses can photosynthesize, bacteria cannot
Bacteria cause more diseases than viruses
Which of the following is a characteristic of protists?
All are multicellular
Lack a cell membrane
Can be autotrophic or heterotrophic
What role do fungi play in an ecosystem?
Producers
Decomposers
Primary consumers
Only parasites
How do bacteria contribute to human health?
They produce oxygen
They break down food in our digestive systems
They cause all human diseases
They are used to make plastic
What structure is not found in a virus?
Nucleus
Genetic material
Receptor proteins
What type of microorganism is responsible for making bread rise?
Algae
Salmonella
Yeast
Are protists considered plants?
Yes
No
What is a unique characteristic of fungi compared to plants?
They reproduce using seeds
They absorb nutrients from organic matter
They perform photosynthesis
How are bacteria beneficial to the environment?
They produce large amounts of carbon dioxide
They help recycle nutrients through decomposition
They are all harmful pathogens
They deplete soil nutrients
Which of the following is a characteristic of viruses?
They cannot reproduce
They do not contain DNA
They need a host cell to reproduce
What is the role of algae, a type of protist, in aquatic ecosystems?
Decomposers
Primary producers
Predators
Parasites
How do fungi obtain nutrients?
Absorbing nutrients from dead or decaying organic matter
Filtering nutrients from water
What type of microorganism can be both harmful and beneficial to humans?
Virus
Bacteria
Protists
None of the above
What distinguishes protists from bacteria?
Protists have a more complex cellular structure
Bacteria are larger than protists
What is one way that fungi interact with humans?
All cause diseases in humans
They are used in the production of antibiotics
They provide oxygen to breathe
They are used as building materials
Salmonella is a ___________
Virus
Fungi
Bacteria
Protists
How are viruses different from other microorganisms like bacteria and fungi?
They have a cell wall
They are capable of photosynthesis
They cannot reproduce without a host
They have a nucleus
What is the main method of reproduction in bacteria?
Binary fission (asexually)
Spore formation
Sexually
Which of the following is a Virus?
E.coli
Mold
Protozoa
HIV
Which of the following microorganisms helps in fermentation processes?
Virus
Fungi
Protists
Bacteria
