NEW
Font size
WorksheetsReview Viruses, bacteria, archaea & Protists!
Total questions: 17
Worksheet time: 14mins
1. Which of the following is true of the microbial world?
All microbes are harmful
Many microbes are pathogenic
Most microbes are helpful
Humans could survive without microbes
3.Which are the three currently accepted domains?
Archaea, Bacteria, and Eukarya
Archaea, Prokaryota, and Eukaryota
Bacteria, Prokaryota, and Eukarya
Bacteria, Fungi, and Protista
6. Viruses not included in phylogenetic trees for which of the following reasons?
It is too difficult to observe their characteristics.
They lack a nucleus.
They are acellular and nonliving.
They do not have any genes, which prevents genetic analysis.
What is the thick walled structure that some bacteria produce to survive environments not favorable for them?
Endospores
Cell Walls
Cell Membranes
cysts
What is the main difference between prokaryotes and eukaryotes?
Prokaryotes are bacteria and protists cells, while eukaryotes are fungi cells.
Prokaryotes contain a nucleus, while eukaryotes lack a nucleus.
Prokaryotes contain mitochondria, while eukaryotes do no
Prokaryotes lack a nucleus, while eukaryotes contain a true nucleus.
Which of the following is evidence to support the endosymbiotic theory?
Prokaryotes have the same number and types of enzymes as eukaryotes.
Mitochondria and chloroplasts have their own DNA, which is similar to prokaryotic DNA.
All eukaryotic cells have a double-layered membran composed of phosplipids and proteins.
Fossil evidence shows that the first forms of life were prokaryotic cells.
takes over the cell's functions.
The long, whip-like structure which helps some protists move is called the ______________.
cilia
flagellum
tail
pseudopod
Which organelles found in algae are the sites of photosynthesis?
eyespots
mitochondria
chloroplasts
contractile vacuoles
What type of protist is this?
euglena
volvox
paramecium
amoeba
