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4

Sea horse is a

A. fish

B. mammal

C. bird

D. none of these

Correct Answer :

B. mammal


Related Questions

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4

Which of the following groups of characters is present in all chordates in some or other stage in their life ?

A. Mammary glands, hairs, gill slits

B. Notochord, gill slits and dorsal ! tubular nervous system

C. Notochord, scales and dorsal tubular nervous system

D. Gill slits, vertebral column and notochoitl

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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 belongs to Mollusca ?

A. Starfish

B. Dogfish

C. Silver fish

D. Goldfish

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4

Flying bats are included under which order of class Mammalia ?

A. Cetacea

B. Chiroptera

C. lnsectivora

D. Lagomorpha

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4

Exclusively marine animals are found in group

A. Fishes and Echinodermata

B. Coelentrata and Echinodermata

C. Porifera and Coelentrata

D. Echinodermata and Protochordata

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4

A definite number of body segments is found in

A. leech

B. tapeworm

C. earthworm

D. slug

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4

One of the following is considered as a living and connecting link between Annelida and Arthropoda:

A. Peripatus

B. Limulus

C. Balanoglossus

D. Sphenodon

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4

The phylum arthropoda is characterised by the presence of

A. chitinous exoskeleton, external segmentation and paired appendages

B. chitinous exoskeleton, external segmentation and paired jointed appendages

C. chitinous exoskeleton and paired antennae

D. chitinous exoskeleton, antennae and compound eyes

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4

Which one of the following sets of animals belongs to class cydostomata

A. Amphioxus and Balangolossus

B. Petromyzon and Myxine

C. Herdmania and Myxine

D. Herdmania and Amphioxus

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4

What is common to fishes, amphibians and reptiles ?

A. Scales

B. Eggs

C. Shelled eggs

D. Gills

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4

Heart pumps only impure blood in case of

A. shark

B. whale

C. frog

D. lizard

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4

A true terestrial animal among these is

A. frog

B. tortoise

C. salamander

D. toad

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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 biggest phylum in regard to the number of species is

A. Arthropoda

B. Platyhelminthes

C. Chordata

D. Protozoa

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4

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

A. Cydostomata

B. Fishes

C. Reptiles

D. Mammals

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4

The term 'Protista' was given by

A. Carolus Linnaeus

B. E. Haeckel

C. G.L. Cuvier

D. John Ray

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4

Which of the following is the correct pairing of the classification groups and common example ?

A. Porifera - Sea fan

B. Crustacea - Cuttle fish

C. Platyhelminthes - Neries

D. Martigophora - Volvox

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4

A spider belongs to class

A. Insecta

B. Myriapoda

C. Arachnida

D. Onychophora

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4

Which of the following is not correctly matched ?

A. Flame cellsplatyhelminthes

B. Stinging cellscoelenterata

C. Metameric segmentationmollusca

D. Gill slitschordata

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4

The rules for the naming of living organisms were first established by

A. John Ray

B. Charles Darwin

C. Carolus Linnaeus

D. Robert Gunther

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4

Which one of the following sets has all hermophrodite animals ?

A. Ascaris, Hydra, Earthworm

B. Leech, Hydra, Tapeworm

C. Hydra, Man, Leech

D. Tapeworm, Toad, Starfish

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4

Which of the following is a species ?

A. Mammalia

B. Carnivora

C. Canidae

D. Catiisfamilaris

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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

Sea Stick refers to group

A. porifera

B. coelentrata

C. annelida

D. mollusca

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4

In the course of evolution, the true coelom appeared first in

A. aschelminthes

B. annelida

C. arthropoda

D. echinodermata

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4

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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4

Which of the following belongs to the same phylum ?

A. Mollusca, cockroach, centipede

B. Turbellaria, cestoda, trematoda

C. Both (a) and (b)

D. None of these

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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

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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4

Viviparous animal is

A. shark

B. mud puppy

C. bony fish

D. fish