Protists and Their Diversity

What characteristic is common among all protists?

• They all perform photosynthesis.

• They are all eukaryotic.

• They are all prokaryotic.

• They are all multicellular.

Which process is responsible for the origin of mitochondria in protists?

• Binary fission

• Endosymbiosis

• Photosynthesis

• Fermentation

Which group of protists is known for having modified mitochondria called mitosomes?

• Ciliates

• Parabasalids

• Diplomonads

• Euglenozoans

What is the main feature distinguishing euglenozoans?

• Presence of chloroplasts

• Ability to form colonies

• Spiral or crystalline rod inside their flagella

• Lack of mitochondria

Which protist group is responsible for causing malaria?

• Apicomplexans

• Euglenozoans

• Dinoflagellates

• Ciliates

What is a unique feature of diatoms?

• They are all multicellular.

• They are parasitic.

• They have a two-part glass-like wall.

• They lack chlorophyll.

Which type of algae is known for its large size and complexity?

• Brown algae

• Green algae

• Red algae

• Golden algae

What is the primary role of protists in aquatic environments?

• Decomposers

• Parasites

• Main producers

• Predators

Which protist group includes organisms that are closely related to fungi and animals?

• Archaeplastida

• Unikonta

• Chromalveolata

• Rhizaria

What is the significance of red algae's accessory pigment?

• It enables them to survive in cold climates.

• It helps them float on water.

• It makes them resistant to parasites.

• It allows them to photosynthesize at deeper depths.