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WorksheetsProtist and Parasitology
Total questions: 15
Worksheet time: 8mins
Which statement best distinguishes algae from protozoa within Protista?
Algae are photosynthetic autotrophs, protozoa are heterotrophic
Algae and protozoa both lack nuclei and are prokaryotic
Algae possess chitin-rich cell walls like fungi
Protozoa form multicellular thalli similar to seaweeds
Which groups are classified as protists in the kingdom Protista?
Bacteria
Fungi
Protozoa
virus
A coastal event called a "red tide" is observed. Which explanation focuses on cause and relevance to health?
Bloom of certain algae releasing toxins affecting humans
Seasonal mixing of sediments with harmless pigments
Mass reproduction of protozoa forming oxygen-rich waters
Decomposition of seaweeds producing non-toxic red compounds
The study of algae is called what, and who practices it?
Algination by an alginator
Protistology by a protistologist
Mycology by a mycologist
Phycology by a phycologist
Which feature distinguishes algae from true plants?
Contain chlorophyll pigments
Lack true roots, stems, and leaves
Perform oxygenic photosynthesis
Possess eukaryotic cell structure
Which pairing is incorrect regarding algae-related terminology?
Phycologist — studies algae
Algology — study of algae
Protistology — study of bacteria
Protista — kingdom including algae
Which material primarily composes the rigid cell walls of diatoms?
Chitin polysaccharide
Cellulose microfibrils
Silicon dioxide glass
Calcium carbonate crystals
Examine the right-hand ocean image with reddish water bands. Which explanation best accounts for this discoloration?
Dense dinoflagellate blooms causing a red tide
Chromatic aberration from camera sensor artifacts
Oil slick reflecting red wavelengths at sunset
Suspended red clay washed from river deltas
Which algal phylum is predominantly olive brown and found in both freshwater and seawater?
Bacillariophyta (diatoms)
Chlorophyta (green algae)
Chrysophyta (golden algae)
Rhodophyta (red algae)
Which statement about protozoan cell walls is accurate?
Most lack rigid cell walls like animals
Most possess thick peptidoglycan walls
All have cellulose-rich outer walls
They always form silica-based frustules
Protozoology focuses primarily on which organisms?
All fungi and algae without protists
Vertebrate animals and plants broadly
All bacteria and archaea together
Animal-like protists and related taxa
A close relationship in which one organism, the parasite, is dependent on another organism, the host, feeding at its expense during the whole or part of its life.
mutualis
Commensalism
Parasitism
Anabolism
is one of the largest of the protozoa phyla and includes species that are important parasites of humans and domestic animals. All members of the phylum are obligate intracellular parasites of invertebrates and vertebrates.
Apicomplexa
Plasmodium
Amoeba
algae
Members of the Class Cestoda (also known as Class Cestoidea) are commonly known as the __________.
Flukeworms
Tapeworms
Roundworms
Fungi
Which of the following is a common feature of the phylum Apicomplexa?
Obligate parasitism in hosts
Ability to photosynthesize
Presence of flagella for movement
Formation of chitinous cell walls
