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Protozon

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

Archaean
Bacterium
Protozoan
Fungus

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Protozon
Which of the following is not true of protozoa?

Lack cell wall
Form active feeding forms called trophozoites
Produce no sporebearing structures
Comprise the microbial population known as phytoplankton

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Protozon
Organisms which have spore-forming stage in their life cycle and lack special locomotory organelles belong to which phylum of Protozoa?

Myxozoa
Microspora
Apicomplexa
Ciliophora

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

lesser than conjugation
greater than conjugation
none of these
equal to conjugation

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Protozon
Protozoa have several types of vacuoles.The function of a contractile vacuole is to

maintain osmotic balance by continuous water expulsion
have sites for photosynthesis
contain specific enzymes that perform various functions
creates sites of food digestion

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

Genes to produce a cyst form
Rigid polysaccharide cell wall
Flagella
More than one nucleus

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