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21.

Locomotory organs in protozoans are:

A.	Arcella and Entamoeba	B.	Leishmania and Trypanosoma
C.	Paramecium and balantidium	D.	All of these

22.

Protozoans showing polymorphism are:

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

23.

Protozoan showing bioluminiscence is:

A.	Giardia	B.	Noctiluca
C.	Balantidum	D.	None of these

24.

Amoeba, against mild electric current moves towards:

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

25.

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

26.

Entamoeba is a:

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

27.

Pathogenic nature of Entamoeba was established by:

A.	Losch	B.	Mast
C.	Lamble	D.	None of these

28.

Entamoeba differs from Amoeba in having:

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

29.

Entamoeba histolytica causes:

A.	Dysentery	B.	Typhoid
C.	Malaria	D.	Filaria

30.

Entamoeba histolytica has:

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