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

A. Frog

B. Lizard

C. Pigeon

D. Whale

Correct Answer :

D. Whale


Related Questions

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Duck bill platypus is

A. primitive burrowing egg laying mammal

B. advanced egg laying reptile

C. primitive egg laying reptile

D. primitive aquatic egg laying animal

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The beak of birds is toothed in

A. Ostrich

B. Kiwi

C. Archaeopteryx

D. Pelican

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A suctorial mouth is present in

A. leech

B. cockroach

C. housefly

D. butterfly

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Which of the following has no segmentation?

A. Hydra

B. Earthworm

C. Centipede

D. Cockroach

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What is common to fishes, amphibians and reptiles ?

A. Scales

B. Eggs

C. Shelled eggs

D. Gills

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These species inhabiting different geographical areas are

A. allopatric

B. sibling species

C. morphospecies

D. sympatric

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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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Tube in the tube' plan is exhibited by one of the following phyla :

A. Coelenterata

B. Porifera

C. Annelida

D. Arthropoda

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Largest animals belong to class

A. arthropoda

B. pisces

C. mammalia

D. reptilia

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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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Most important characteristic of the mammal is the presence of

A. pinnae

B. four-chambered heart

C. movement on two limbs only

D. diaphragm

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One of the following is not an animal:

A. Ant eater

B. Dolfin

C. Heloderma

D. Echidna

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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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Sea Stick refers to group

A. porifera

B. coelentrata

C. annelida

D. mollusca

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All worms are mainly

A. round

B. parasitic

C. triploblastic

D. segmented

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Character common in spider, cockroach and centipede is

A. compound eyes

B. joint legs

C. book lungs

D. green glands

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Whale, monkey and bat have seven cervical vertebrae. Which one has the same number of cervical vertebrae ?

A. Giraffe

B. Crocodile

C. Shark

D. Ostrich

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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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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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A cuttle fish belongs to

A. teleostei

B. mollusca

C. pisces

D. echinodermata

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The type of symmetry best suited to non-motile organisms is

A. radial symmetry

B. bilateral symmetry

C. asymmetry

D. both (a) and (b)

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Viviparous animal is

A. shark

B. mud puppy

C. bony fish

D. fish

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Echis carinata is known as

A. coral snake

B. brain coral

C. tree snake

D. none of these

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Lobsters and crabs belong to the class

A. Insecta

B. Arachnida

C. Crustacea

D. Polychaeta

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Which of the following is not an acoelomate animal ?

A. Sponge

B. Jelly fish

C. Tapeworm

D. Roundworm

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

A. Coelenterata

B. Hydrozoa

C. Scyphozoa

D. Anthozoa

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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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A spider belongs to class

A. Insecta

B. Myriapoda

C. Arachnida

D. Onychophora

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The system of classification proposed by Linnaeus is regarded by modem biologists as

A. an artificial system of classification

B. a natural system of classification

C. a system based on phylogeny

D. none of these

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A triploblastic animal in which I mesenchyme fills the space between ectoderm and endoderm is

A. Sea anemone

B. Planarian

C. Pheretima

D. Starfish