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NAT II Biological Science Zoology MCQs With Answers
Question # 1
A distinctive feature of members of the class Polychaeta is
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Parapodia.
Clitellum.
Annuli.
Absence of setae.
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Question # 2
Except ---------------- all are the members of class Lobosea
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Arcella
Ameoba proteus
polystomella
Difflugia
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Question # 3
As protozoa are small, they have --------- surface area in proportion to their volume
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less
Large
Both A and B
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Question # 4
Which one of the following do not lie in phylum Cnidaria?
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obelia
aurelia
Actinia
Taenia
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Question # 5
A specialized region analogous to mouth called cytopharynx is present in group
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Polycheate
Ctenophora
Protista
Porifera
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Question # 6
Which of the following phyla are not pseudocoelomate?
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Acanthocephala
Rotifera
Polychaeta
Nematoda
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Question # 7
Where would you look for a kinorhynch?
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a marine environment
a freshwater environment
on land that is relatively moist
on land that is relatively dry
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Question # 8
Number of the phylum Nematomorpha are commonly called the ------------- worms.
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horsehair
Gordian
round
both a and b are correct
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Question # 9
The major feature which unify aschelminths is
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nervous system.
muscular system.
excretory system.
pseudocoelom.
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Question # 10
Coccidians and Plasmodium are the examples of phylum---------.
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Microspora
Acetoospora
Apicomplexa
Myxozoa
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Question # 11
Which one is a member of class zoomastigophorea?
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Trichonympha
Trypanosoma
Paramyxa
Giardia
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Question # 12
Tsetse files are ------------- host for Trypanosoma brucei, causing sleeping sickness to humans
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Intermediate
Primary host
Definitive host
Both A and C are correct
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Question # 13
The absence of a shell in the aplacophora is a primitive character in the phylum Mollusca
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True
False
None of Above
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Question # 14
Cephalopods rely on olfactory senses for detecting prey
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True
False
None of above
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Question # 15
Characteristics of the phylum Rotifera include all of the following except
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a well-developed cuticle
absence of protonephridia
parthenogenesis is common
triploblastic, bilateral, unsegmented, pseudocoelomate.
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Question # 16
Which of the following is true of the visceral mass of a mollusc?
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It contains the gills
It secretes the shell
It is used in locomotion
It contains gonads and digestive glands
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Question # 17
The approach which makes hypothesis of geneological relationships among monophyletic groups of organisms is
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evolutionary systematic
Phylogenetic systematic
Numarical taxonomy
Both A and C
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Question # 18
Scientific name of fish tape worm is
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Clonorchis sinensis
Schistosoma
Diphyllobothrium latum
Fasciola hepatica
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Question # 19
Members of which of the following mollusc classed would be characterized by a shell consisting of 8 plates?
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Aplacophora
Polyplacophora
Monoplacophora
Cephalopoda
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