WorksheetsChapter 10: Bacteria and Viruses
Total questions: 24
Worksheet time: 12mins
When bacteria reproduce by binary fission:
two cells produce a third cell.
two cells produce two more cells.
one cell produces two cells.
one cell produces three or more cells.
A way to prevent viral infections is through:
genetic engineering
bioremediation
antibiotics
vaccinations
Which of the following is NOT true of bacteria?
Bacteria change nitrogen into a form plants can use.
Bacteria change oxygen into nitrogen.
Bacteria change the sugar in milk to lactic acid.
Bacteria change harmful chemicals into harmless ones.
What organisms can live where nothing else lives?
viruses
bacteria
cyanobacteria
archaea
All bacteria have:
one cell
two cells
three cells
four or more cells
Which of the following art shapes of bacteria?
crystal
bacilli
sprilla
cocci
What is one function that viruses share with living things?
They eat.
They move
They reproduce
They grow
Viruses reproduce by:
nitrogen fixation
they lysogenic cycle and the lytic cycle
the lytic cycle only
binary fission
What is one way bacteria help the environment?
They change oxygen to a form plants can use.
They change nitrogen to a form plants can use.
They change oxygen to nitrogen.
They change nitrogen into oxygen.
What type of medicine is used to kill bacteria?
antiviral
insulin
vaccine
antibiotic
Which of the following is an example of bioremediation?
Using microorganisms to clean up an oil spill.
Using bacteria to make yogurt.
Creating plants that are resistant to bacteria.
Adding nitrogen-fixing bacteria to the soil before planting crops.
Which of the following is an example of genetic engineering?
using microorganisms to clean up an oil spill
using bacteria to make yogurt
creating plants that are resistant to bacteria
adding nitrogen-fixing bacteria to the soil before planting crops
Which of the following stops viruses from reproducing?
antibiotics
vaccines
antiviral medication
radiation
Which of the following can not live on its own?
cyanobacteria
virus
decomposers
bacteria
Which can make their own food?
prokaryotes
cyanobacteria
producers
viruses
Which break down dead organisms?
producers
viruses
decomposers
protist
A prokaryote does not have:
DNA
RNA
Nucleus
to go to school
Bacteria that contain chlorophyll are known as:
cyanobacteria
endospores
viruses
bioremediation
Bacteria is the most common type of:
Eukaryote
Prokaryote
Virus
Host
Bacteria store genetic material in thick-walled cells called:
hosts
endospores
bioremediation
prokaryotes
An organism that invades a cell and uses it to create more organisms:
host
pathogenic bacteria
cyanobacteria
virus
Pathogenic bacteria cause:
disease
yeast
COVID 19
endospores
Use of bacteria to change harmful chemicals to harmless ones are known as:
bioremediation
viruses
producers
host
Viruses can only reproduce in a:
decomposer
producer
virus
host
