WorksheetsBacteria and Viruses
Total questions: 38
Worksheet time: 5hrs 41mins
In a newly colonized area, certain bacteria play a crucial role in the ecosystem. What is the primary function of producer bacteria in such environments?
make their own food through photosynthesis.
consume other organisms.
break down decayed organisms.
break down chemicals.
In the context of human colonization of the gut, which statement about bacteria is true?
Bacteria help you breath
Bacteria help you digest your food
Bacteria help add carbon dioxide to the atmosphere
All bacteria need sunlight to make food
Imagine you are preparing for a trip to a region with common infectious diseases: a vaccine triggers your body to produce _____________ which help fight infections.
antibiotics
antibodies
antigens
During a medical examination, a doctor prescribes antibiotics to a patient. Antibiotics only work against what organisms?
viruses
bacteria
prions
During a visit to the doctor, you learn that influenza is caused by a:
virus
bacteria
prion
Imagine a scenario where a virus enters a cell: it immediately makes copies of itself. This process is called _______________________________.
remediation
replica
replication
As a virus colonizes a new host, it can affect different systems within the organism. This change of the virus is called a _______________.
mutation
melanin
metaphysics
Viruses are microscopic infectious agents that can only replicate inside a host cell
FALSE
TRUE
Imagine you are a scientist studying life forms: Are viruses considered living organisms?
FALSE
TRUE
In a biology class, the teacher explains: Viruses contain genetic material either DNA or RNA. Is this statement:
FALSE
TRUE
Viruses can ONLY be transmitted thru blood transfusion
FALSE
TRUE
During a visit to a science museum, you come across an exhibit comparing the sizes of microorganisms: True or False - Viruses are about the same size as bacteria
True
False
In a biology lab, you are tasked with identifying the two main components that make up viruses: which ones would you choose?
protein coat
carbohydrates
DNA or RNA
cells
Viruses are considered to be living things?
True
False
In the field of biotechnology, researchers are exploring various applications of viruses: which of these are considered beneficial?
used as pesticides
taking away nutrients from your body
causing illness
gene therapy
To observe bacteria in a laboratory setting, what equipment is essential?
Microscope
Telescope
Sunglasses
3D Glasses
Where do bacteria colonize?
No where.
Every where!
Only in the restroom.
On my hands only.
In a laboratory setting, when observing bacteria under a microscope, what shape can they appear as?
Round
Straight
Twisted
All of these
In the colonization of a new environment by bacteria, what is the region inside the cell membrane where most cellular activities occur?
bacteria
endospore
cytoplasm
decomposers
Tiny single-celled organisms that colonize almost every environment are called (a)
Bacteria are prokaryotes, meaning they ________.
lack a nucleus
are very large
contain no DNA
have a cytoplasm
Imagine you are a scientist studying viruses: what are two parts that a virus must have?
Genetic Information (DNA or RNA)
a lipid membrane
a nucleus
a protein coat
Which of these statements is true?
A virus is unicellular, it has only one cell.
A virus may sometimes be multicellular, have many cells.
A virus has no cells
Match the following terms with their correct descriptions.
Capsule
A protective layer found outside the cell wall of some bacteria.
Helical
A type of virus structure characterized by a spiral shape.
Bacteriophage
A virus that infects and replicates within bacteria.
Stormaphage
A fictional virus name for illustrative purposes.
Imagine a scenario where a virus is like a key trying to unlock a door: what does it inject into the host to take control?
protein coat
Capsid
DNA/ RNA
Envelope
Viruses require a host cell to
Breathe and eat
Replicate
Move and sleep
Make protein and carbohydrates
Imagine a scenario where a virus enters a cell: it immediately starts making copies of itself. This process is called _______________________________.
remediation
replica
replication
As a virus colonizes a new host, it can affect different systems within the organism. This change of the virus is called a _______________.
mutation
melanin
metaphysics
In a laboratory study, researchers are investigating which types of organisms can be affected by viruses: Which of the following organisms can be infected?
plants
animals
bacteria
bricks
In a medical scenario, what is used to "cure" a virus:
antirbiotic
Rest
Vaccine
Viruses have no cure
What is a host?
An organism that eats another organism
An organism or a cell that the virus needs to reproduce in
Something that causes harm to the cell
The person that greats you at a resturant
In a real-life scenario: If you have a viral infection, can antibiotics cure it?
Yes
No
Which of the following structures is NOT found in a bacterial cell?
Nucleus
Cell wall
Ribosome
Plasma membrane
