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4

The mammals of order Rodentia have

A. long incisors

B. short incisors

C. long canines

D. long molars

Correct Answer :

A. long incisors


Related Questions

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4

Which of the following shows deuteros- I tome condition ?

A. Acoelomate animals

B. Pseudocoelomate animals

C. Animals with enterocoel

D. Animals with schizocoel

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4

Which one of the following is a matching set in animal classification based on correct sequence of phylum ?

A. Liver fluke, tapeworm, roundworm, guinea worm

B. Oyster, ship-worm, octopus, cuttle fish

C. Prawn, neries, crab, millipede

D. Sea urchin, sea fan, sea lily, sea pen

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4

The mammals of order Rodentia have

A. long incisors

B. short incisors

C. long canines

D. long molars

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4

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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4

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

Apart from mammals, the other group of animals maintaining high and constant body temperature is

A. insects

B. birds

C. fishes

D. reptiles

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4

The group amniota includes

A. birds and mammals

B. birds and reptiles

C. reptiles and mammals

D. reptiles, birds and mammals

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4

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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4

Which of the following is homiother-mous ?

A. Lizard

B. Frog

C. Rabbit

D. Cuttlefish

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4

According / to Whittaker, the five kingdoms into which all living beings are classified are

A. Monera, Protista, Metaphyta, Meta-zoa and Parazoa

B. Monera, Protista, Fungi, Plantae and Animalia

C. Mpnera, Prokaryotes, Fungi, Plantae and Animalia

D. Prokaryotes, Eukaryotes, Fungi, Plantae and Animalia

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4

Histological differentiation is absent in

A. Amoeba

B. Hydra

C. Earthworm

D. Cockroach

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4

Bilateral symmetry, metameric segmentation, coelom and open circulatory system are characters of

A. annelida

B. arthropoda

C. mollusca

D. echinodermata

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4

The concept of homology can be applied to

A. gross structures of the body

B. physiological mechanisms

C. biochemical similarities

D. all of these

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4

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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4

Which of the following is not correctly matched ?

A. Flame CellsPlatyhelminthes

B. Metametric segmentationMollusca

C. Gill-slitChordata

D. Stininging cellsCoelenterata

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4

Echis carinata is known as

A. coral snake

B. brain coral

C. tree snake

D. none of these

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4

Ophiosaurus commonly known as glass snake is a

A. limbless amphibian

B. limbless snake

C. limbless lizard

D. limbless fish

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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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4

The term Thylum' in taxonomy was given by

A. John Ray

B. Carolus Linnaeus

C. G.L. Cuvier

D. All of these

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4

Binomial system of nomenclature in classification was divided by Carolus Linnaeus. It provides the names pertaining to

A. one scientific and one popular

B. given by two taxonomists

C. one generic and one specific epithet

D. international identifying catalogue

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4

The biggest phylum in regard to the number of species is

A. Arthropoda

B. Platyhelminthes

C. Chordata

D. Protozoa

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4

Typhlop is a

A. true snake

B. blind worm

C. false snake

D. true worm

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4

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

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4

According to Whittaker, the term 'protista' includes

A. all types of single celled eukaryotic organisms

B. all types of single celled plants, animals as well as bacteria

C. all types of bacteria and blue green algae

D. all types of sinlge celled eukaryotes and prokaryotes

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4

One of the primary characters of chlor-date is

A. solid ventral nerve cord

B. dorsal tubular nerve cord

C. paired nerve cords

D. ganglionated nerve cord

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4

Which one of the following is a metatherian mammal ?

A. Hystrin

B. Tachyglossns

C. Diadelphyes

D. None of these

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4

Amphixous is a marine animal belonging to the sub-phylum

A. Urochordata

B. Cephalochordata

C. Vertebrata

D. Hemichordata

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4

Which one of the animals does not have a segmented body ?

A. Shipworm

B. Glowworm

C. Earthworm

D. Tapeworm

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4

True fishes possess gills and fins. Which of the following is not a true fish ?

A. Silver fish

B. Goldfish

C. Silver carp

D. Seahorse

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4

Which of the following has no segmentation?

A. Hydra

B. Earthworm

C. Centipede

D. Cockroach