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4

Protozons are not included in kingdom animalia because they are

A. mostly asymmetrical.

B. unicellular eukaryotes.

C. heterotrophic in nature.

D. multicellular prokaryotes.

Correct Answer :

B. unicellular eukaryotes.


Protozoans comes under the kingdom of protista (singlecelled eukaryotes). They are heterotrophs and live as predators or parasites. They are divisible into four major groups zooflagellata, sarcodina, sporozoa and ciliata.

Related Questions

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4

The figure given below shows the structure of a bacteriophage. Identify its parts labelled as A, B, C and D. 
img4

A. A - Tail fibres B - Head C - Sheath D - Collar

B. A - Sheath B - Collar C - Head D - Tail fibres

C. A - Head B - Sheath C - Collar D - Tail fibres

D. A - Collar B - Tail fibres C - Head D - Sheath

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4

Which of the following pigment is present in cyanobacteria?

A. Chlorophyll a

B. Chlorophyll b

C. Chlorophyll c

D. Chlorophyll d

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4

Bladderwort and Venus fly trap are examples of

A. insectivorous plants

B. parasitic plants

C. N2 rich plants

D. aquatic plants

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4

Which group of fungi is commonly known as imperfect fungi ?

A. Phycomycetes

B. Ascomycetes

C. Basidiomycetes

D. Deuteromycetes

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4

Which of the following pair is not correctly matched ?

A. Anabaena Cyanobacteria

B. Amoeba Protozoa

C. Gonyaulax Dinoflagellates

D. Albugo Chrysophytes

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4

Which of the following is/are example(s) of deuteromycetes?

A. Alternaria

B. Colletotrichum

C. Trichoderma

D. All of these

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4

Dikaryon formation is the characteristic feature of

A. ascomycetes and basidiomycetes.

B. phycomycetes and basidiomycetes.

C. ascomycetes and phycomycetes.

D. phycomycetes and zygomycetes.

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4

The subunit of capsid is called

A. core

B. nucleotide

C. amino acid

D. capsomere

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4

Match column I (containing fungus name) with column II (common name) and choose the correct options.
Column-IColumn-II
(Fungus name)(Commonly called)
A. PucciniaI. Yeast
B. UstilagoII. Mushroom
C. AgaricusIII. Smut fungus
D. SaccharomycesIV. Rust fungus

A. A I, B II, C III, D IV

B. A II, B III, C IV, D I

C. A III, B IV, C I, D II

D. A IV, B III, C II, D I

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4

Which of the following statement is/ are correct for bacteria ?

A. They are the members of the kingdom monera.

B. They live in extreme habitats such as hot springs, deserts, snow and deep oceans.

C. They show the most extensive metabolic diversity.

D. All of the above

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4

Which of the following groups of protozoan is not correctly matched with its feature?

A. Amoeboid - Marine forms have silica shells on their surface.

B. Flagellated - Either free living or parasitic.

C. Ciliated - Actively moving organisms due to presence of cilia.

D. Sporozoans - Move and capture their prey with the help of false feet.

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4

Which of the following are the characters of dinoflagellates?
(i) They are planktonic golden yellow algae with soap box like structure.
(ii) They are marine red biflagellated protista.
(iii) They appear yellow, green, brown, blue and red in colour.
(iv) They are biflagellated organisms with pellicle.
(v) They are saprophytic (or) parasitic unicellular forms.

A. (ii) and (iii)

B. (ii) and (v)

C. (i), (ii) and (iii)

D. (ii), (iv) and (v)

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4

When a moist bread is kept exposed in air, it becomes mouldy and black because

A. spores are present in the water.

B. spores are present in the bread.

C. spores are present in the air.

D. the bread decomposes.

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4

How many bacteria are produced in four hours if a bacterium divides once in half an hour ?

A. 8

B. 64

C. 16

D. 256

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4

Why food can be kept for a longer time in cold house than in normal conditions ? Because,

A. insect cannot enter.

B. bacterial multiplication stops.

C. bacterial multiplication is reduced.

D. there is plasmolysis at low temperature.

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4

Choose the correct names of the different bacteria given below according to their shapes. 
img2

A. A – Cocci, B – Bacilli, C – Spirilla, D – Vibrio

B. A – Bacilli, B – Cocci, C – Spirilla, D – Vibrio

C. A – Spirilla, B – Bacilli, C – Cocci, D – Vibrio

D. A – Spirilla, B – Vibrio, C – Cocci, D – Bacilli

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4

Mycorrhizae are useful for plants because they

A. fix atmospheric nitrogen.

B. enhance absorption of nutrients from the soil.

C. kill insects and pathogen.

D. provide resistance against abiotic stresses.

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4

Which of the following processes involved in the reproduction of protists ?

A. Binary fission and budding

B. Cell fusion and zygote formation

C. Spore formation and cyst formation

D. All of the above

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4

Protista includes

A. unicellular eukaryotes with well-defined nucleus only.

B. unicellular prokaryotes with membrane bound organelles.

C. unicellular eukaryotes with well-defined nucleus and membrane bound organelles.

D. both unicellular and multicellular eukaryotes with welldefined nucleus and membrane bound organelles.

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4

Which of the following statement(s) is/are correct about class basidiomycetes ?
(i) They are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.
(ii) They grow in soil, on logs and tree stumps and in living plant bodies as parasites, e.g., rusts and smuts.
(iii) The mycelium is branched and septate.
(iv) Some common members are Agaricus, Ustilago and Puccinia.

A. Only (i)

B. Both (ii) and (iii)

C. (ii), (iii) and (iv)

D. All of these

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4

Which one of the following statement is correct for archaea?

A. Archaea resemble eukaryotes in all respects.

B. Archaea have some novel features that are absent in other prokaryotes and eukaryotes.

C. Archaea completely differ from both prokaryotes and eukaryotes.

D. Archaea completely differ from prokaryotes.

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4

Fungi are filamentous with the exception of X which is unicellular. Identify X.

A. Yeast

B. Algae

C. Bacteria

D. Lichen

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4

Match the terms given in column-I with their examples given in column-II and choose the correct option
Column-IColumn-II
(Terms)(Examples)
A. AscusI. Spirulina
B. BasidiumII. Penicillium
C. ProtistaIII. Agaricus
D. CyanobacteriaIV. Euglena
E. AnimaliaV. Sponges

A. A II, B III, C IV, D V, E I

B. A I, B II, C III, D V, E IV

C. A II, B V, C III, D I, E IV

D. A II, B III, C IV, D I, E V

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4

Which of the following is used extensively in biochemical and genetic work ?

A. Agaricus

B. Alternaria

C. Neurospora

D. Mucor

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4

Which of the following kingdom does not have nuclear membrane ?

A. Protista

B. Fungi

C. Monera

D. Plantae

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4

Bacteria lack alternation of generation because there is

A. neither syngamy nor reduction division.

B. no distinct chromosomes.

C. no conjugation.

D. no exchange of genetic material.

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4

Which of the following is an example of amoeboid protozoans ?

A. Trypanosoma

B. Paramecium

C. Gonyaulax

D. Entamoeba

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4

Choose the correct statements (i v) regarding mycoplasma
(i) Mycoplasma has no cell wall.
(ii) Mycoplasma is the smallest living organism.
(iii) Mycoplasma cannot survive without O2.
(iv) Mycoplasma are pathogenic in animals and plants.
(v) A sort of sexual reproduction occurs in bacterium by adopting a primitive DNA transfer from one bacterium to the other.

A. Only (iii)

B. (i), (iii) and (v)

C. (i), (ii), (iv), and (v)

D. All of the above

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4

Which of the following characteristic(s) is used by Whittaker for the classification of organisms ?

A. Mode of nutrition

B. Thallus organisation

C. Phylogenetic relationships

D. All of the above

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4

Which of the following statement is correct for dinoflagellates flagella ?

A. A single flagellum lies in the transverse groove between the cell plates.

B. A single flagellum lies in the longitudinal groove between the cell plates.

C. Two flagella, one lies longitudinally and the other transversely in a furrow between the wall plates.

D. Flagella are absent.