All animals which do not have the vertebral column are
protozoa
invertebrate
nonchordata
chordata
Correct Answer :
B. invertebrate
Related Questions
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
Which of the following is not an enterocoelic phylum ?
Chordata
Mollusca
Coelentrata
Porifera
The body of Hydra is
asymmetrical
symmetrical
bilaterally symmetrical
radially symmetrical
Echis carinata is known as
coral snake
brain coral
tree snake
none of these
One of these is a metatherian mammal
Echidna
Kangaroo
Pangolin
Panda
Cephalophoda is a class of animals in which
notochord extends upto head
foot is located on head
head is located on foot
head is fused with thorax
The respiratory organs of crustaceans are
tracheae
book lungs
gills
skin
Only poisonous lizard of the world is
Ophiosaurs
Heloderma
Varanus
None of these
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
Animals belonging to order Rodentia have
long incisors
long canines
short canines
short incisors
Which is a matching set in taxonomy ?
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
Apart from mammals, the other group of animals maintaining high and constant body temperature is
insects
birds
fishes
reptiles
Viviparous animal is
shark
mud puppy
bony fish
fish
Which of the following pairs of specific names belongs to the same genus
histolytica and proteus
histolytica and coli
histolytica and falciparum
histolytica and rocktertil
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
Sea horse is a
fish
mammal
bird
none of these
The basic unit of taxonomy is
genus
order
class
species
Nauplius larva belongs to
insects
shrimps
echinoderms
molluscs
The mammals of order Rodentia have
long incisors
short incisors
long canines
long molars
The system of classification proposed by Linnaeus is regarded by modem biologists as
an artificial system of classification
a natural system of classification
a system based on phylogeny
none of these
Which of the following has no segmentation ?
Hydra
Earthworm
Cockroach
Centipede
The concept of homology can be applied to
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Lobsters and crabs belong to the class
Insecta
Arachnida
Crustacea
Polychaeta
Chief distinguishing features of mammals are
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
Egg laying mammals are found in
India
Australia
Africa
South America