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Which of the following is a matching set of the class and some of its main distinguishing features?

A. Sporozoa - infection by sporozoites transmission by intermediate host and a contractile vacuole

B. Trematoda - well developed suckers, flat and unsegmented body

C. Arachnida - 3 pairs of legs, chitinous exosketeton and poisonous sting

D. Insecta - compound eyes, segmented body and nephridia

Correct Answer :

D. Insecta - compound eyes, segmented body and nephridia


Related Questions

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Which is the common character between all mammals ?

A. They are viviparous

B. They are herbivores

C. They are carnivores

D. They have 7 cervical vertebrae

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Flame cells, parenchyma and a pair of longitudinal nerve cords are found in

A. Taenia

B. Peripatus

C. Ascaris

D. Musca

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Which of the following has no segmentation ?

A. Hydra

B. Earthworm

C. Cockroach

D. Centipede

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Cloning is possible in nature in

A. sexually reproducing species

B. asexually reproducing species

C. self-fertilising species

D. none of these

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The order insectivora of class mammalia includes

A. moles, shrews and hedgehogs

B. monkeys, apes and man

C. whales and dolphins

D. kangaroo, lions and wolves

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4

Match the species :

A. Scorpion, Spider

B. Scorpion, Obelia, Hydra

C. Star fish, Obelia, Hydra

D. Cockroach, Earthworm, Taenia solium

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Lobsters and crabs belong to the class

A. Insecta

B. Arachnida

C. Crustacea

D. Polychaeta

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Exclusively marine chelones are known as

A. tortoise

B. turtles

C. sea hares

D. none of these

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Largest animals belong to class

A. arthropoda

B. pisces

C. mammalia

D. reptilia

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The mammals of order Rodentia have

A. long incisors

B. short incisors

C. long canines

D. long molars

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Which of the following is homiother-mous ?

A. Lizard

B. Frog

C. Rabbit

D. Cuttlefish

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A natural system of classification is based upon

A. natural relationships, reflecting evolutionary relationship

B. morphological similarities between organisms

C. embryologicall, biochemical, phisio-loical and ecological considerations

D. both (b) and (c)

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The locust is

A. an arthropod

B. a mollusc

C. an insect

D. an echinoderm

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Which one is a cold blooded animal

A. Penguin

B. Whale

C. Otter

D. Tortoise

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Diploblastic body with cellular grade of organisation and cellular mesogloea is characteristic of

A. protozoal

B. porifera

C. coelenterata

D. annelid a

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Cephalophoda is a class of animals in which

A. notochord extends upto head

B. foot is located on head

C. head is located on foot

D. head is fused with thorax

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In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J

A. protostomes

B. deuterostomes

C. cyclostomes

D. blastostomes

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The correct phylogenetic sequence in taxonomy is

A. Pisces, Amphibia, Reptilia, Mammalia

B. Pisces, Reptilia, Amphibia, Mammalia

C. Amphibia, Pisces, Reptilia, Mammalia

D. Amphibia, Reptilia, Pisces, Mammalia

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Which of the following is not an enterocoelic phylum ?

A. Chordata

B. Mollusca

C. Coelentrata

D. Porifera

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The generic name of peacock is

A. Passer domesticus

B. Pavo cristatus

C. Psittacula krameri

D. None of these

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Chief distinguishing features of mammals are

A. hairy skin and ovipary

B. hairy skin and mammary glands

C. mammary glands and teeth

D. pinnae and teeth

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Which of the following is not correctly matched ?

A. Flame CellsPlatyhelminthes

B. Metametric segmentationMollusca

C. Gill-slitChordata

D. Stininging cellsCoelenterata

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Which is matching set in taxonomy ?

A. Neries, Planum, Roundworm, Earthworm

B. Millipede, Crab, Centipede, Cockroach

C. Star fish, Jelly fish, Cuttle fish, Octopus

D. Leech, Locust, Sea urchin, Lobster

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A suctorial mouth is present in

A. leech

B. cockroach

C. housefly

D. butterfly

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The beak of birds is toothed in

A. Ostrich

B. Kiwi

C. Archaeopteryx

D. Pelican

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Segmentation of the body is not represented in

A. crayfish

B. frog

C. grasshopper

D. starfish

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Vertebrates possess

A. well developed body cavity with alimentary canal

B. dorsal tubular nerve cord

C. ventrally situated heart

D. all of these

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One of these is a metatherian mammal

A. Echidna

B. Kangaroo

C. Pangolin

D. Panda

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Cephalisation is a characteristic feature of

A. immotile, radially symmetrical animals

B. motile, bilaterally symmetrical animals

C. bilaterally symmetrical, non-motile terrestrial animals

D. both (b) and (c)

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Turbellarians are

A. parasitic flatworms

B. free living flatworms

C. parasitic tapeworms

D. free living tapeworms