NAT II Biological Science Zoology With Answers

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NAT II Biological Science Zoology

Sr. # Questions Answers Choice
1 A specialized region analogous to mouth called cytopharynx is present in group Polycheate Ctenophora Protista Porifera
2 Most marine protozoa have solute concentration ------------ to that of their environment Hypertonic Hypotonic similar
3 A regular arrangement of microtubules called --------- underlies the plasma membrane of many protozoa Pellicle mesosomes peroxisomes Both A and B are correct
4 ------------ gave rise to the kingdom protista Viruses Archaea bacteria None of above
5 Most triploblastic animals have an tissue system level of organization colonial level of organization organ system level of organization both A and B are correct
6 Ctenophorans and Anthozoans lie in Bilateral symmetry Radial Symmetry Asymmetry Pentaradial symmetry
7 The arrangement of structures in fives around a radial animal is called Bilateral symmetry Radial Symmetry Pentaradial Symmetry Asymmetr
8 ------------ depict a sequence in the origion of derived characters Cladogram Monogram Phylogenetic tree None of above
9 --------------- are the characters that have arisen since common ancestory with the group Homologous characters Derived characters Synapomorphies Both B and C
10 The approach which makes hypothesis of geneological relationships among monophyletic groups of organisms is evolutionary systematic Phylogenetic systematic Numarical taxonomy Both A and C
11 Which one is not a characteristic habitat of Archaea? Acidic environment Fresh water High salt Ocean floor
12 The scientist who describe a system of classification that distinguished between kingdoms according to cellular organization and mode of nutrition was R. M. Kristensen Carolus Linnaeus Rebert II. Whittaker None of above
13 Ascaris lumbricoides is commonly known as the giant intestinal roundworm of humans. True False none of the above
14 Elephantiasis is caused by filarial worms (i.e., Wuchereia spp.). True False none of the above
15 A mosquito is necessary for development of Trichinella spiralis True False none of the above
16 Acanthocephalans are also known as spiny-headed worms because of their spiny True False none of the above
17 Nematodes live in both aquatic and terrestrial environments True False none of the above
18 The majority of rotifers inhabit freshwaters True False none of the above
19 The aschelminthis contain organs for gas exchange and circulation. True False none of the above
20 The aschelminths are seven phyla grouped only for convenience. True False none of the above
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