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Physalia, the "Portugese man of War" belongs to class

A. Coelenterata

B. Hydrozoa

C. Scyphozoa

D. Anthozoa

Correct Answer :

B. Hydrozoa


Related Questions

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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

Which one is characteristic for birds ?

A. They are flying animals

B. They are warm blooded

C. They are bipedal and have feathers

D. They are quadruped and have scales

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All worms are mainly

A. round

B. parasitic

C. triploblastic

D. segmented

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Hair of bat and feathers of pigeon are

A. homologous structures

B. analogous structures

C. both (a) and (b

D. integumentary derivatives

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Sepia is also known as

A. star fish

B. cartilagenous fish

C. jellyfish

D. cuttlefish

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Birds and bats are good fliers. The bat differs from a bird in having

A. diaphragm

B. four-chambered heart

C. wings

D. small brain

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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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4

Which of the following is not a part of true body cavity ?

A. Pleural cavity

B. Pericardial cavity

C. Peritoneal cavity

D. The cavity inside the stomach and intestine

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Honey-bees belong to the phylum arthropoda and class

A. insecta

B. oligochaeta

C. arachnida

D. crustace

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The centipede has

A. 100 legs

B. 50-100 legs

C. As many legs as body segments

D. As many pairs of legs as body segments

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4

Salamander belongs to class

A. Reptilia

B. Amphibia

C. Aves

D. Mammalia

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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

Canal system is characteristic of

A. hydra

B. sponge

C. sea anemone

D. sea urchin

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Which of the following is a correct hierar-chial sequence in systematics ?

A. Species, genus, family, order, class, phylum

B. Species, genus, order, family, class, phylum

C. genus, species, order, family, class, phylum

D. genus, family, order, class, species, phylum

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Constant body temperature is found in

A. earthworm

B. snake

C. frog

D. cow

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The term 'Protista' was given by

A. Carolus Linnaeus

B. E. Haeckel

C. G.L. Cuvier

D. John Ray

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Which of the group has no member having gliding or flying appendages ?

A. Cydostomata

B. Fishes

C. Reptiles

D. Mammals

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Which of the following has a diaphragm between the thorax and abdomen

A. Frog

B. Lizard

C. Pigeon

D. Whale

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Which of the following has no segmentation ?

A. Hydra

B. Earthworm

C. Cockroach

D. Centipede

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The term "Monera" stands for

A. all prokaryotes

B. bacterai, blue green algae and sinlge celled eukaryotes

C. bacteria, blue green algae and single celled eukaryotic animals

D. single celled eukaryotes and prokaryotes

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Which of the following is homiother-mous ?

A. Lizard

B. Frog

C. Rabbit

D. Cuttlefish

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Glass snake is a

A. lizard

B. tree snake

C. nematode

D. fish

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Octopus belongs to class

A. mollusca

B. cephalopoda

C. anneilida

D. arthropoda

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A true terestrial animal among these is

A. frog

B. tortoise

C. salamander

D. toad

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Bony plates are found in addition to scales in

A. hag fish

B. eel

C. flyingfish

D. seahorse

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The most highly advanced character in reptilia is the presence of

A. four-chambered heart

B. shelled eggs

C. thecodont dentition

D. powerful jaws

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Taxonomy is the science that deals with the classification of

A. plants

B. animals

C. microorganisms

D. living organisms

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Which of the following belongs to Mollusca ?

A. Starfish

B. Dogfish

C. Silver fish

D. Goldfish

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Euplectella (Venus flower basket) is a

A. porifer

B. protozoan

C. coelentrate

D. nematode

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Branchiostonta is an example of

A. Cephalochordata

B. Agnatha

C. Urochordata

D. Gnathostomata