PROTOZON QUIZ | EXAMIANS

Members of which phylum of Protozoa are being considered as biological control agents for certain insects?

Sarcomastigophora

all of these

Apicomplexa

Microspora

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The numbers of nuclear divisions involved in a ciliate undergoing binary fission is

lesser than conjugation

none of these

equal to conjugation

greater than conjugation

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Protozoa are generally not

multicellular

eukaryotic

lacking cell walls

microscopic

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A protozoan is defined as

motile eukaryotic unicellular protist

motile eukaryotic multicellular protist

motile prokaryotic unicellular protist

motile eukaryotic unicellular photosynthetic protist

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Which of the following is least likely to have a rigid cell wall?

Archaean

Protozoan

Fungus

Bacterium

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Sexual reproduction in the Protozoa occurs most commonly by

conjugation

binary fusion

gametangial contact

binary fission

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Which of the following is least likely to get in or on a protozoan such as a diplomonad or trichomonad?

More than one nucleus

Genes to produce a cyst form

Rigid polysaccharide cell wall

Flagella

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Saprozoic nutrition is characterized by

phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles

encystment of solid nutrients and subsequent formation of secretory vacuoles

pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles

pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles

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Most commonly asexual reproduction in the Protozoa is by

gametangial contact

binary fission

conjugation

binary fusion

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Members of the Protozoa may motile by all of the following methods except

flagella

gliding by slime secretion

cilia

pseudopodia

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