Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Organ of defense in protozoans is

A. statocysts
B. trichocysts
C. otocysts
D. nematocysts
Answer» C. otocysts
2.

Protozoa are classified on the basis of

A. locomotory organelle
B. shape
C. number of nuclei
D. size
Answer» B. shape
3.

Which class does the malarial parasite belong to?

A. dinophyceae
B. sarcodina
C. ciliata
D. sporozoa
Answer» E.
4.

In Amoeba and Paramecium, the cell organelle for osmoregulation is

A. nucleus
B. body surface
C. contractile vacuole
D. pseudopodia
Answer» D. pseudopodia
5.

Which of the following organisms will vanish if all the ponds and puddles are destroyed?

A. Plasmodium
B. Trypanosoma
C. Leishmania
D. Ascaris
Answer» B. Trypanosoma
6.

Unicellular eukaryotes are grouped in

A. Monera
B. Protista
C. Archaea
D. Fungi
Answer» C. Archaea
7.

Entamoeba differs from Amoeba in having:

A. One contractile vacuole
B. Two contractile vacuoles
C. No contractile vacuoles
D. None of these respects
Answer» D. None of these respects
8.

Entamoeba histolytica has:

A. One pseudopodium
B. Two pseudopodia
C. No pseudopodia
D. Several irregular pseudopodia
Answer» B. Two pseudopodia
9.

Entamoeba histolytica causes:

A. Dysentery
B. Typhoid
C. Malaria
D. Filaria
Answer» B. Typhoid
10.

Schizont stage of life cycle of malarial parasite occurs in:

A. RBC of man
B. Stomach of mosquito
C. Blood of mosquito
D. None of these
Answer» B. Stomach of mosquito
11.

Amoeba never dies because:

A. Cytoplasm is not differentiated into somatoplasm and germplasm
B. Cytoplasm is not differentiated into ectoplasm and endoplasm
C. Animal has a strong armature around its body
D. It is not an organism
Answer» B. Cytoplasm is not differentiated into ectoplasm and endoplasm
12.

Entamoeba is a:

A. Monogenetic parasite
B. Digenetic parasite
C. Polygenetic parasite
D. None of these
Answer» B. Digenetic parasite
13.

Pathogenic nature of Entamoeba was established by:

A. Losch
B. Mast
C. Lamble
D. None of these
Answer» B. Mast
14.

Amoeba, against mild electric current moves towards:

A. Cathode
B. Anode
C. Both (a) & (b)
D. None of these
Answer» B. Anode
15.

Protozoan showing bioluminiscence is:

A. Giardia
B. Noctiluca
C. Balantidum
D. None of these
Answer» B. Noctiluca
16.

Protozoans showing polymorphism are:

A. Arcella and Entamoeba
B. Leishmania and Trypanosoma
C. Paramecium and Balantidium
D. All of these
Answer» C. Paramecium and Balantidium
17.

Prepatient period in malaria is between:

A. Innoculation and first fever
B. Liver cycle and RBC cycles
C. Innoculation and first release of merozoites
D. Innoculation in mosquito and sporozoite formation
Answer» D. Innoculation in mosquito and sporozoite formation
18.

Locomotory organs in protozoans are:

A. Arcella and Entamoeba
B. Leishmania and Trypanosoma
C. Paramecium and balantidium
D. All of these
Answer» E.
19.

Infective stage of Plasmodium to man (primary host) is:

A. Sporozoite
B. Merozoite
C. Gametocyte
D. Cryptomerozoite
Answer» B. Merozoite
20.

Plasmodium is a:

A. Digenetic parasite
B. Monogenetic parasite
C. Polygenetic parasite
D. None of these
Answer» B. Monogenetic parasite
21.

Discovery that malaria is caused by malarial parasite (Plasmodium) was made by:

A. Laveron
B. Grossi
C. Ronald Ross
D.
Answer» D.
22.

If Entamoeba histolytica is placed in distilled water, it will:

A. Burst
B. Enlarge
C. Shrink
D. Not affected
Answer» B. Enlarge
23.

Malaria is caused by:

A. Ascaris
B. Plasmodium
C.
D. D.
Answer» C.
24.

Contractile vacuole in protozoans serves which of these functions:

A.
B. B.
C. C.
D. D.
Answer» B. B.
25.

Infective stage of entamoeba histolytica is:

A. Precystic form
B. Quadrinucleate cyst
C. Binucleate cyst
D. All of these
Answer» C. Binucleate cyst
26.

Entamoeba histolytica is found in the man in:

A. Colon
B. Small intestine
C. Oval cavity
D. Stomach
Answer» B. Small intestine
27.

Pseudopodia of Amoeba are:

A. Lobopodia
B. Filopodia
C. Axopodia
D. All of these
Answer» B. Filopodia
28.

Multinucleate Amoeba is:

A. Amoeba verrucosa
B. Pelomyxa plaustris
C. Amoeba radiosa
D. Amoeba discoides
Answer» C. Amoeba radiosa
29.

Biurete and triurete crystals of Amoeba are formed of:

A. Urea
B. Uric acid
C. Guanine
D. Carbonyl diurea
Answer» E.
30.

Food vacuole in Amoeba is analogous to:

A. Digestive tract of higher animals
B. Circulatory system of high animals
C. Only mouth of higher animals
D. None of these
Answer» B. Circulatory system of high animals
31.

Cytopyge is absent in:

A. Paramecium caudatum
B. Balantidium
C. Amoeba
D. None of these
Answer» D. None of these
32.

Nucleus in Amoeba is:

A. Round
B. Oval
C. Bun-shaped
D. Triangular
Answer» D. Triangular
33.

Contractile vacuole in Amoeba and Euglena differ in:

A. Fixed place at anterior and with many small vacuoles around it
B. Variable position with radiating canals
C. Presence of two permanent contractile vacuoles
D. None of these
Answer» B. Variable position with radiating canals
34.

Pellicle is present in:

A. Amoeba verrucosa
B. Amoeba proteus
C. Amoeba dubia
D. None of these
Answer» B. Amoeba proteus
35.

Hav-infusion method is used for culture of:

A. Amoeba and paramecium
B. Euglena
C. Balantidium
D. None of these
Answer» B. Euglena
36.

Amoeba proteus name was given on the 'Sea God' because it:

A. Changes its shape like him
B. Is unicellular
C. Is naked
D. Has all of these
Answer» B. Is unicellular
37.

Largest fresh water protozoa is:

A. Paramecium caudatum
B. Pelomyxa palustris
C. Vorticella minim
D. Spirostomum ambiguum
Answer» C. Vorticella minim
38.

Which of these is a marine amoeba:

A. Amoeba radiosa
B. Thecameoba orbis
C. Amoeba verrucosa
D. Amoeba dubina
Answer» C. Amoeba verrucosa
39.

Natural death does not occur in:

A. Porifera
B. Protozoans
C. Echinoderms
D. None of these
Answer» C. Echinoderms
40.

Branch of zoology related with the study of protozoans is:

A. Parazoology
B. Proteology
C. Protology
D. Protozoology
Answer» E.
41.

Who gave acellular concept for protozoans?

A. Dobell
B. Von Seibold
C. Cuvier
D. None of these
Answer» B. Von Seibold
42.

Name protozoa was given by:

A. Goldfuss
B. Hall
C. Jablot
D. None of these
Answer» B. Hall
43.

First studied protozoa by Leeuwenhoek was:

A. Amoeba
B. Euglena
C. Vorticella
D. None of these
Answer» D. None of these
44.

Protozoa were first discovered by:

A. Pasteur
B. Leeuwenhoek
C. Darwin
D. Kudo
Answer» C. Darwin
45.

Pellicle is found in:

A. Amoeba
B. Euglena
C. Euglena and paramecium
D. All of these
Answer» D. All of these
46.

Amoeba is called naked because:

A. It is single celled
B. It has a delicate plasma membrane
C. It is uninucleated
D. It has all of these
Answer» C. It is uninucleated
47.

Entamoeba gingivalis is found in:

A.
B. B.
C. C.
D. D.
Answer» C. C.
48.

Trophozoite of Entamoeba reporduces by:

A. Binary fission
B. Multiple fission
C. Conjugation
D. None of these
Answer» C. Conjugation
49.

Which of these is a parasite:

A. Musca domestica
B. Entamoeba
C. Euglena viridis
D. Hydra fusca
Answer» C. Euglena viridis