Bacteria & Viruses Quiz
Preview:
What is the name of the international effort to sequence a human’s DNA sequence?
A. The Gene Sequencing Project
B. The DNA Fingerprinting Project
C. The Nuremberg Trials
D. The Human Genome Project
Live bacteria are found in milk, cheese and yogurt
A. TRUE
B. FALSE
How would you describe the size of a virus?
A. Smaller than bacteria
B. Larger than a parasite
C. About the size of a dime
D. Smaller than a proton
What happens after the second time you are exposed to a pathogen?
A. The body will not be able to fight off the pathogen quickly, because it knows how to get into the body easier.
B. The body’s immune system will react the same was as it did during the first exposure.
C. The body can only be exposed to a pathogen a second time if you do not have a vaccine.
D. The body will know how to fight off the pathogen quickly, because memory cells have been created after the first encounter.
Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?
A. lytic
B. mitosis
C. lysogenic
D. S phase
Name this bacteria shape
A. bacillus
B. coccus
C. spirillum
Name this bacteria shape
A. coccus
B. bacillus
C. spirillum
What part of the virus is number 1 (the orange part)?
A. Capsid
B. DNA
C. Surface Markers
D. Envelope
Which of the following can challenge the immune system?
A. Allergies
B. Antibodies
C. Vaccines
D. Macrophage
What does invading the host cell enable the virus to do?
A. increase its size
B. synthesize needed oxygen
C. obtain nutrients
D. reproduce
Bacteria are prokaryotes which means they
A. have a nucleus on their capsule
B. do not contain a nucleus
C. can live in environments with and without oxygen
Like all other body systems, the immune system helps the body maintain homeostasis. Which statement best describes how the immune system does this?
A. it protects other organs and tissues from infection and disease
B. it breaks down food to provide cells with nutrients
C. it gathers information through the senses and controls all other body systems
D. it transports oxygen and carbon dioxide
Which is bigger, a bacterium or a virus?
A. Bacteria
B. Virus
Bacteria cells share which of the following organelles in common with plant and animal cells?
A. cell membrane, RER
B. cell wall, mitochondria
C. nucleus, ribosomes
D. ribosomes, cytoplasm
Out of t-cells and b-cells which is the helper cell?
A. b-cells
B. t-cells
C. neither
D. both