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WorksheetsViruses, Bacteria, and Protists
Total questions: 13
Worksheet time: 7mins
Which of the following terms refers to spherical-shaped bacteria?
bacilli
cocci
spirochetes
flagella
During which process do two bacterial cells join together to transfer genetic material?
transduction
conjugation
binary fission
asexual reproduction
Which of the following describes a bacteriophage?
a virus that only infects plants
a virus that only infects birds
a species of bacteria that infects plants
a virus that only infects bacteria
Which of the following processes does not increase bacterial diversity?
transduction
conjugation
binary fission
transformation
Which of the following occurs when a virus infects a bacterium and leaves behind new genes from a different bacterium?
transduction
conjugation
transformation
binary fission
What feature of eukaryotic cells makes them different from prokaryotic cells?
they contain DNA
they possess ribosomes
their organelles are bound by membranes
They are surrounded by cell membranes
Which of the following about viruses is incorrect?
they are not grouped with any living organism
they are inactive outside a living organism
they are made of tiny cells
they can reproduce, but not without a host cell.
What group of organisms is sometimes called a "stuff drawer" for items that don't seem to belong anywhere else?
the domain Archaea
the kingdom Bacteria
the kingdom Fungi
the kingdom Protista
Which of the following is an example of a multicellular protist?
kelp
zooflagellate
plasmodial slime mould
Plasmodium
Which of the following structures is NOT used by protists for movement?
oral groove
flagella
clila
pseudopodia
Which term describes asexual reproduction in bacteria?
transduction
conjugation
transformation
binary fission
Which of the following statements about viruses is incorrect?
a virus infects a host cell and causes the cell to burst
a virus takes over the host cell's biological processes and produces viral DNA and proteins.
a virus may insert its DNA into the host cell's chromosome
a virus combines with the host cell to form an endospore
Which of the following describes a type of bacteria that obtains its carbon from carbon dioxide rather than organic molecules?
photoautotrophs
heterotrophs
chemoheterotrophs
photoheterotrophs
