Protist Diversity and Evolution Quiz

Test your knowledge on protists with questions covering their features, ecological roles, and evolutionary significance. Dive into protistology!

#1

Which of the following is a characteristic feature of protists?

They are multicellular organisms.
They have a nucleus.
They lack membrane-bound organelles.
They reproduce only sexually.
#2

Which protist group includes organisms responsible for causing malaria?

Euglenozoans
Alveolates
Apicomplexans
Amoebas
#3

Which of the following is not a characteristic of protists?

They are unicellular organisms.
They can be photosynthetic.
They have a true nucleus.
They are all parasites.
#4

Which protist group includes organisms that possess both plant-like and animal-like characteristics?

Ciliates
Diatoms
Dinoflagellates
Euglenoids
#5

Which protist group is characterized by having thread-like pseudopodia?

Amoebas
Euglenoids
Dinoflagellates
Foraminiferans
#6

Which structure in some protists functions similarly to the contractile vacuole in amoebas?

Food vacuole
Pellicle
Eyespot
Contractile vacuole
#7

What is the defining characteristic of the phylum Bacillariophyta?

Presence of silica shells
Flagella for locomotion
Formation of pseudopods
Formation of cysts
#8

Which of the following is not a function of the pellicle in some protists?

Protection
Support
Nutrient absorption
Maintaining cell shape
#9

What is the primary ecological role of protists in aquatic ecosystems?

Photosynthesis
Decomposition
Predation
Parasitism
#10

Which protist group includes organisms responsible for red tides?

Apicomplexans
Ciliates
Dinoflagellates
Diatoms
#11

Which evolutionary event led to the diversification of eukaryotes and the emergence of protists?

Endosymbiosis of a prokaryote by a eukaryote
Formation of multicellular organisms
Origin of sexual reproduction
Diversification of prokaryotic lineages
#12

Which of the following protist groups includes organisms capable of producing bioluminescence?

Ciliates
Dinoflagellates
Amoebas
Apicomplexans
#13

Which protist group includes organisms that form calcium carbonate shells?

Euglenoids
Radiolarians
Diatoms
Apicomplexans
#14

Which protist group includes organisms that are important components of marine plankton and contribute significantly to carbon fixation?

Apicomplexans
Diatoms
Ciliates
Foraminiferans
#15

Which protist group includes organisms that form intricate mineral skeletons and are important contributors to deep-sea sediments?

Radiolarians
Dinoflagellates
Euglenoids
Amoebas

Sign In to view more questions.

Sign InSign Up

Quiz Questions with Answers

Forget wasting time on incorrect answers. We deliver the straight-up correct options, along with clear explanations that solidify your understanding.

Test Your Knowledge

Craft your ideal quiz experience by specifying the number of questions and the difficulty level you desire. Dive in and test your knowledge - we have the perfect quiz waiting for you!

Other Quizzes to Explore