Vertebrates possess
well developed body cavity with alimentary canal
dorsal tubular nerve cord
ventrally situated heart
all of these
Correct Answer :
D. all of these
Related Questions
The body of Hydra is
asymmetrical
symmetrical
bilaterally symmetrical
radially symmetrical
Spider differs from insect as
spider has three pairs of legs
insect has four pairs of legs
spider has four paris of legs
none of these
Diploblastic acoelomate condition is found in
Ascaris
Planaria
Rotifer
Sea anemone
Which is matching set in taxonomy ?
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Insects possess
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
The mammals of order Rodentia have
long incisors
short incisors
long canines
long molars
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
All animals which do not have the vertebral column are
protozoa
invertebrate
nonchordata
chordata
Which of the protozoan is considered as connecting link between animals and plants ?
Entamoeba
Paramecium
Euglena
Monocystis
Apart from mammals, the other group of animals maintaining high and constant body temperature is
insects
birds
fishes
reptiles
These species inhabiting different geographical areas are
allopatric
sibling species
morphospecies
sympatric
Exclusively marine chelones are known as
tortoise
turtles
sea hares
none of these
Only poisonous lizard of the world is
Ophiosaurs
Heloderma
Varanus
None of these
One of the following is not a true fish :
Saw fish
Silver fish
Dogfish
Pipefish
Pheretivia is placed in class
annelida
chaetopoda
polychaeta
oligochaeta
Segmentation of the body is not represented in
crayfish
frog
grasshopper
starfish
The term 'Protista' was given by
Carolus Linnaeus
E. Haeckel
G.L. Cuvier
John Ray
Which of the following is the correct pairing of the classification groups and common example ?
Porifera - Sea fan
Crustacea - Cuttle fish
Platyhelminthes - Neries
Martigophora - Volvox
Which one of the following is found in chordates but not in non-chordates
Gills
Spiracles
Post anal tail
Chitious skeleton
Spider is not included under class insects because of
absence of walking legs
absence of mandibles
absence of wings
presence of walking legs
Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
A spider belongs to class
Insecta
Myriapoda
Arachnida
Onychophora
The beak of birds is toothed in
Ostrich
Kiwi
Archaeopteryx
Pelican
Which of the following belongs to Mollusca ?
Starfish
Dogfish
Silver fish
Goldfish
The main basis of classification of Phylum Protozoa is
size
locomotary organelles
shape
number of nuclei
Temperature regulation is found in
Fish
Rat
Frog
Lizard
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Diploblastic body with cellular grade of organisation and cellular mesogloea is characteristic of
protozoal
porifera
coelenterata
annelid a