Eco Factors & Bacteria Quiz
Preview:
What is the job of the cell membrane in bacteria?
A. Decides what enters and exits the cell
B. To make protiens
C. To hold organelles in place
D. To hold water and nutrients
Is the bacterial DNA surrounded by a nucleus?
A. No
B. Yes
True or False:
Bacteria is found on our body, especially in our intestines and skin.
A. TRUE
B. FALSE
Small protrusions of cell membrane around the outside of the bacterial cell that allow bacteria to attach to one another, and share DNA.
A. Flagella
B. Cell membrane
C. Pilli
D. Cell wall
Which of the following is a true statement about bacteria?
A. Bacteria exist in only a few environments on earth
B. Bacteria can grow to extremely large sizes
C. Most bacteria are harmful to humans
D. Bacteria can be both harmful and helpful to humans
Small organelles that turn genes into proteins
A. Cytoplasm
B. Plasmid
C. Ribosomes
D. Nucleus
Jelly like substance that fills the inside of the bacterial cell.
A. Flagella
B. Chromosome
C. Plasmid
D. Cytoplasm
Which is a type of bacteria?
A. Salmonella
B. the common cold
C. The flu
D. Covid-19
Bacteria reproduce asexually and result in offspring that are
A. identical
B. different
Whip-like tail that allows bacteria to move
A. Pillus
B. Flagella
C. Cytoplasm
D. Cell wall
What are the three main shapes of bacteria?
A. squares
B. circles
C. triangles
D. cocci, bacilli, spirilla
Bacterial cells are…
A. Prokaryotes
B. Eukaryotes
bacteria has
A. no cell wall and no cell membrane
B. both cell wall and cell membrane
C. cell wall
D. cell membrane
Explain the role of decomposer bacteria in an ecosystem.
A. Decomposer bacteria regulate the climate in the ecosystem.
B. Decomposer bacteria break down dead organisms and organic matter, releasing nutrients back into the ecosystem.
C. Decomposer bacteria are responsible for pollination in the ecosystem.
D. Decomposer bacteria produce energy for other organisms in the ecosystem.
What is the job of the cell wall in bacteria?
A. To provide protection
B. To make protiens
C. To hold organelles in place
D. To hold water and nutrients
True or False:
Bacteria is found almost everywhere.
A. TRUE
B. FALSE
Small circular pieces of DNA that can be shared between bacteria.
A. Cytoplasm
B. Plasmid DNA
C. Chromosome
D. Ribosome
What type of cell is bacteria?
A. eukaryotic
B. prokaryotic
C. multicellular
What structure is used for movement?
A. ribosomes
B. cytoplasm
C. flagella
What do you need to be able to see bacteria?
A. Microscope
B. Telescope
C. Sunglasses
D. 3D Glasses
Which type of bacteria is responsible for causing diseases?
A. Friendly bacteria
B. Neutral bacteria
C. Pathogenic bacteria
D. Harmless bacteria
Strong outer layer that protects the bacterial cell from infection by viruses and attack from immune cells.
A. Pilli
B. Cell wall
C. Capsule
D. Flagella
Bacteria are prokaryotes, meaning they ________.
A. lack a nucleus
B. are very large
C. contain no DNA
D. have a cytoplasm
Describe how bacteria play a role in the food chain.
A. Bacteria directly consume plants in the food chain
B. Bacteria produce oxygen for animals in the food chain
C. Bacteria are the top predators in the food chain
D. Bacteria decompose organic matter, making nutrients available for plants, which are then consumed by animals higher in the food chain.
Strep throat is caused by
A. bacteria
B. virus
C. protist
D. fungi
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