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Free download in PDF Protozoa Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like NEET, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
(1)
pH range optimal for maximum metabolic activity of protozoa is ______________
[A]
2-3
[B]
12-14
[C]
6-8
[D]
4-6
(2)
What is the maximum temperature for protozoa?
[A]
40 degrees C
[B]
10 degrees C
[C]
16 degrees C
[D]
25 degrees C
(3)
African sleeping sickness is caused by _________________
[A]
bacteria
[B]
fungi
[C]
protozoa
[D]
viruses
(4)
Which of the following is an aerobic protozoa?
[A]
Metopus
[B]
Saprodinium
[C]
Vorticella
[D]
None of the above
(5)
When parasitic protozoa parasitize other protozoan it is known as ______________
[A]
Parasitism
[B]
Mutualism
[C]
Hyperparasitism
[D]
Hypoparasitism
(6)
Name protozoa was given by:
[A]
Goldfuss
[B]
Hall
[C]
Jablot
[D]
None Of The Above
(7)
Protozoa have several types of vacuoles.The function of a contractile vacuole is to
[A]
maintain osmotic balance by continuous water expulsion
[B]
creates sites of food digestion
[C]
contain specific enzymes that perform various functions
[D]
None Of The Above
Answer: maintain osmotic balance by continuous water expulsion
(8)
Number of motility structures on flagellated cells is
[A]
greater than ciliated cells
[B]
lesser than ciliated cells
[C]
equal to ciliated cells
[D]
None of these
Answer: lesser than ciliated cells
(9)
Which of the following is least likely to get in or on a protozoan such as a diplomonad or trichomonad?
[A]
Flagella
[B]
More than one nucleus
[C]
Genes to produce a cyst form
[D]
Rigid polysaccharide cell wall
Answer: Rigid polysaccharide cell wall
(10)
Which of the following describes the function of a phagocytic vacuole?
[A]
Contain specific enzymes that perform various functions
[B]
Maintain osmotic balance by continuous water expulsion
[C]
Sites of food digestion
[D]
None Of The Above
Answer: Sites of food digestion
(11)
Members of the Protozoa may motile by all of the following methods except
[A]
flagella
[B]
gliding by slime secretion
[C]
cilia
[D]
pseudopodia
Answer: gliding by slime secretion
(12)
Organisms which have spore-forming stage in their life cycle and lack special locomotory organelles belong to which phylum of Protozoa?
[A]
Microspora
[B]
Myxozoa
[C]
Apicomplexa
[D]
None of the above
(13)
Which of the following is not true of protozoa?
[A]
Lack cell wall
[B]
Produce no sporebearing structures
[C]
Comprise the microbial population known as phytoplankton
[D]
Form active feeding forms called trophozoites
Answer: Comprise the microbial population known as phytoplankton
(14)
The numbers of nuclear divisions involved in a ciliate undergoing binary fission is
[A]
greater than conjugation
[B]
lesser than conjugation
[C]
equal to conjugation
[D]
none of these
Answer: lesser than conjugation
(15)
Holozoic nutrition is characterized by
[A]
phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
[B]
pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
[C]
phagocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
[D]
None of these
Answer: phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
(16)
In diatoms, auxospores help in
[A]
metabolism
[B]
Spore formation
[C]
Reproduction
[D]
Growth
(17)
Which of the following is not a character of protista?
[A]
Protista are prokaryotic
[B]
Body organization is cellular
[C]
Some protists have cell walls
[D]
Membrane bound organelles are present in cells
Answer: Protista are prokaryotic
(18)
Single celled eukaryotes are include in
[A]
Fungi
[B]
Archae
[C]
Monera
[D]
Protista
(19)
Kingdom protista includes organisms like
[A]
Euglena, Spirogyra and Penicillium
[B]
Amoeba, Spirogyra and Penicillium
[C]
Amoeba, Euglena and Penicillium
[D]
Amoeba, Euglena and Diatoms
Answer: Amoeba, Euglena and Diatoms
(20)
Protista differs from monera in having
[A]
cellwall
[B]
Nuclear membrane
[C]
Flagella
[D]
None Of The Above
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