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1.

Acellular slime moulds areA. Communal slime mouldsB. Haploid slime mouldsC. Plasmodial slime mouldsD. Aplanoslime moulds

Answer» Correct Answer - C
2.

An acellular slime mould isA. DictyosteliumB. DictydiumC. PolysphondyliumD. All of these

Answer» Correct Answer - B
3.

Mass of streaming protoplasm in acellular slime moulds isA. PlasmodiumB. PseudoplasmodiumC. SorophormD. Scleroteum

Answer» Correct Answer - A
4.

which is found in slime moulds but not in fungi ?A. Non - motile sporesB. Amoeboid movementC. Zygote formationD. Photosynthesis

Answer» Correct Answer - D
5.

What would happen, if some freshwater protozoans are placed in a medium of high osmotic potential?A. The contractile vacuole will work fasterB. The contractile vacuole grows largerC. The contractile vacuole shows no changeD. The contractile vacuole does not form

Answer» Correct Answer - D
6.

Ciliated protozoans are aquatic, actively moving organisms, because of the presence ofA. Abundance of food in waterB. Pseudopodia projecting form the bodyC. Thousand of ciliaD. Long flagella

Answer» Correct Answer - C
7.

Match the following columns. A. `{:(A,B,C,D),(3, 2, 1, 4):}`B. `{:(A,B,C,D),(1, 4, 3, 2):}`C. `{:(A,B,C,D),(2, 3, 4, 1):}`D. `{:(A,B,C,D),(4, 3, 1, 2):}`

Answer» Correct Answer - C
8.

Sandfly play significant role in spreading kala azar bacause they I. Suck blood only from the patients suffering from kala azar. II. Covert amastigote into promastigote. III. Engulf amastigote at the time of blood sucking from the infected persons. IV. inject promastigote into the body of non-infected person at the time blood sucking.A. I and IIB. II and IIIC. II, III and IVD. III and Iv

Answer» Correct Answer - C
Kala - azar is a slow progressive indigenous disease caused by a protozoan parasite leishmania and spread by the bite of certain types of vector in sandflies. Sandflies takes a blood meal from the patient of kala-azar and injects its macrophages infected with amastigotes. In the midgut of sandfly, these amastigotes get transformed into promastigotes and migrate to proboscis. Amastigotes again get transferred into the skin of host (non-infected person) at the time of blood sucking.
9.

Match the following columns. A. `{:(A,B,C,D),(2, 3, 4, 1):}`B. `{:(A,B,C,D),(4, 2, 3, 1):}`C. `{:(A,B,C,D),(1, 3, 2, 4):}`D. `{:(A,B,C,D),(3, 2, 4, 1):}`

Answer» Correct Answer - D
10.

Read the following statements. I. Kala-azar caused by leishmania donovani is also called as black fever. II. Leishamania species divides asexually by budding. III. Leishamania species obtains its nourishment saprozoically through body surface of host cells. Choose the incorrect statements.A. Only IB. Only IIC. II and IIID. I and III

Answer» Correct Answer - B
11.

Percentage of plankton constituted by protistans isA. 0.95B. 0.85C. 0.8D. 0.7

Answer» Correct Answer - A
12.

The protistans flagella exhibits organisationA. 9+2B. 7+2C. 8+1D. 6+2

Answer» Correct Answer - A
13.

Pigment present in some Slime Moulds isA. ChlorophyllB. CarotenoidsC. AnthraceneD. Both b and c

Answer» Correct Answer - C
14.

Slime moulds are used for the study ofA. ProtoplasmB. NucleusC. Cell wallD. Flagella

Answer» Correct Answer - A
15.

The lime knots of slime moulds areA. CapillitiaB. Fruiting bodiesC. SporesD. Swarn cells

Answer» Correct Answer - A
16.

Mucilage propulsion occurs inA. DinoflagellatesB. DiatomsC. EuglenoidsD. Slime moulds

Answer» Correct Answer - B
17.

Which of the following has only one host ?A. Entamoeba histolyticaB. Trypanosoma gambienseC. T. soliumD. Plasmodium vivax

Answer» Correct Answer - A
18.

The sexual phase in plasmodium vivax life cycle involvesA. SchizogonyB. GametogonyC. SporogonyD. Both b and c

Answer» Correct Answer - D
19.

Schizogony occurs inA. RBC of humanB. Intestine of parasiteC. Liver of humanD. Liver of parasite

Answer» Correct Answer - C
Schizogony is an asexual reproduction of plasmodium (malarial parasite), in which schizont is formed from the human blood sporozoites, which enter the liver cells. The sporozoite grows in size to become a rounded schizont called crytozoites. They merozoites are sexual haploid forms. The host liver cells rupture to liberate the cryptomerozoites into the liver sinusoids.
20.

Triatoma infestans is the intermediate host in the life cycle ofA. Leishmania donovaniB. Trypanosoma cruziC. Leishmania tropicaD. Schistosoma haematobium

Answer» Correct Answer - B
Trypanosoma cruzi is the digenetic parasite I.e., its life cycle is completed in two hosts. The primary host is man, cat, dog or monkey and secondary or intermediate host of this parasite is triatoma infestans.
21.

Night visibility of plants is due toA. RadiumB. Keisulguhr (diatomaceous earth)C. AlginD. Dinophycean skeleton

Answer» Correct Answer - B
22.

Encysted stage is not known to occur in life ofA. Entamoeba gingivalisB. Entamoeba coliC. Entamoeba histolyticaD. Amoeba

Answer» Correct Answer - A
23.

Choose the correct option for the parts labelled A-E of the given figure of Trypansoma..

Answer» Correct Answer - C
24.

The cell wall is absent inA. DinoflagellatesB. DiatomsC. CuglonoidsD. None of these

Answer» Correct Answer - C
25.

How many of the following features are common in dinoflagellates ? Cell wall, mesokaryon, flagella, pusule, silica, paraflagellar body, swarm cells, trichocystsA. FourB. FiveC. SevenD. Three

Answer» Correct Answer - B
26.

In protista, phagotrophic nutrition is found inA. Protozoan protistsB. Some dinoflagellatesC. A few euglenoidsD. All of these

Answer» Correct Answer - D
27.

In nactiluca, mesokaryotic stage appears inA. Somatic stageB. A the time of first binary fissionC. After a few binary fissionD. Midway during gametogenesis

Answer» Correct Answer - B
28.

Trichocysts are found inA. Ectoplasm of euglenaB. Ectoplasm of parameciumC. Endoplasm of euglenaD. Endoplasm of paramecium

Answer» Correct Answer - B
29.

In dinophyceae trichocysts occur inA. PeridiniumB. NematodiniumC. CeratiumD. Gonyaulax

Answer» Correct Answer - A
30.

Bivalved siliceous shell or frustule occurs inA. DiatomsB. ForaminiferansC. RadiolariansD. Helizoans

Answer» Correct Answer - A
31.

Decemposer protists areA. SarcodinesB. DinoflagellatesC. Slime mouldsD. Diatoms

Answer» Correct Answer - C
32.

Photosynthetic protists belong toA. BacillariophyceaeB. Bacillariophyceae and EuglenophyceaeC. Bacillariophyceae, Euglenophyceae and DinophyceaeD. Zooflagellates

Answer» Correct Answer - C
33.

Protists having cnidoblasts and trichocysts areA. DinoflagellatesB. CiliatesC. SarcodinesD. Helizoans

Answer» Correct Answer - A
34.

Diatoms frustule shell is made up ofA. SilicaB. LimeC. Magnesium sulphateD. All of these

Answer» Correct Answer - A
35.

Siliceous skeleton of diatoms is known asA. Diatomaceous earthB. DiatomiteC. KieselghurD. All of these

Answer» Correct Answer - D
36.

The cell wall of diatoms is celledA. LeucosinB. FrustuleC. AnnulusD. None of these

Answer» Correct Answer - B
37.

Protists having non-contractile pustule areA. SporozoansB. CiliatesC. DinoflagellatesD. Navicula

Answer» Correct Answer - A
38.

Diatoms belong toA. DinoflagellatesB. ChrysophytaC. PyrrophytesD. Euglenoids

Answer» Correct Answer - B
39.

Which of the following is a flagellated protozoanA. AmoebaB. EntamoebaC. PlasmodiumD. Trypanosoma

Answer» Correct Answer - D
40.

Which is not a free living protozoanA. EuglenaB. AmoebaC. GiardiaD. Noctiluca

Answer» Correct Answer - C
41.

Toxoplasma gondii causesA. EncephalomyelitiesB. VaginitisC. BalantidiasisD. Giardiasis

Answer» Correct Answer - C
42.

Non-pathogenic protozoan like trichomonas texas resides in ….. Of humans.A. BloodB. Teeth and gumC. CaecumD. ileocaecal region

Answer» Correct Answer - B
43.

Which one resides in the mouth of human beingsA. Entamoeba histolyticaB. Amoeba proteusC. Entamoeba coliD.

Answer» Correct Answer - D
44.

Assertion : Macronucleus in paramecium is polyploid. Reason : Micronucleus in paramecium is diploid.A. Both Assertion and Reason are true and Reason is the correct explanation of assertion.B. Both Assertion and Reason are true, but Reason is not the correct explanation of assertionC. Assertion is true, but Reason is falseD. Assertion is false, but Reason is true

Answer» Correct Answer - B
Paramecium contains two nuclei. The larger bean - shaped macronucleus is polyploid and controls metabolic activities, while micronucleus is diploid and controls reproduction.
45.

Which is the most widely accepted theory of locomotion in amoeba?A. Walking movement theoryB. Rolling movement theoryC. Sol-gel theoryD. Surface tension theory

Answer» Correct Answer - C
46.

Egestion of undigested food in amoeba takes place throughA. CircumvallationB. A temporary rupture of its surface membraneC. Hyaline cap formed at its advancing endD. Pinocytosis

Answer» Correct Answer - B
47.

Protista obtain their food asA. PhotosynthesisersB. ChemosyntherisersC. HeterotrophsD. Both a and c

Answer» Correct Answer - D
48.

Structure seen in paramecium for offence and defence isA. GastriolesB. TrichocystC. CytostomeD. Kappa particles

Answer» Correct Answer - B
49.

Cell anus or cytopyge is peresent at the ….. Of the parameciumA. AnteriorB. PosteriorC. DorsalD. Ventral

Answer» Correct Answer - B
50.

Which one of the following is a characteristics feature of chryosophytes?A. They are parasitic forms which cause diseases in animalsB. They have a protein rich layer called pellicleC. They have indestructible wall layer deposited with silicaD. They are commonly called dinoflagellates

Answer» Correct Answer - C