Coelentrates generally include the animals which are
radial symmetrical and triploblastic
radial symmetrical and diploblastic
bilateral symmetrical and triploblastic
biradial symmetrical and diploblastic
Correct Answer :
B. radial symmetrical and diploblastic
Related Questions
Which one of the following is found in chordates but not in non-chordates
Gills
Spiracles
Post anal tail
Chitious skeleton
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach
The body of Hydra is
asymmetrical
symmetrical
bilaterally symmetrical
radially symmetrical
The rules for the naming of living organisms were first established by
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Physalia, the "Portugese man of War" belongs to class
Coelenterata
Hydrozoa
Scyphozoa
Anthozoa
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
Which of the following shows deuteros- I tome condition ?
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
Which one of the following is a metatherian mammal ?
Hystrin
Tachyglossns
Diadelphyes
None of these
The basic unit of taxonomy is
genus
order
class
species
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
Coelentrates generally include the animals which are
radial symmetrical and triploblastic
radial symmetrical and diploblastic
bilateral symmetrical and triploblastic
biradial symmetrical and diploblastic
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny
Heart pumps only impure blood in case of
shark
whale
frog
lizard
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Correct statement is :
Archaeopteryx is a connecting link between mammals and aves
Duck-bill platypus is a connecting link between reptiles and mammals
Sea horse is a connecting link between fish and horse
Hydra is a connecting link between protozoa and metazoa
A suctorial mouth is present in
leech
cockroach
housefly
butterfly
Amphixous is a marine animal belonging to the sub-phylum
Urochordata
Cephalochordata
Vertebrata
Hemichordata
Cloning is possible in nature in
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
Which one is an unmatching pair ?
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
Which one of the following is a coelenterate ?
Tea cucumber
Sea urchin
Sea horse
Sea pen
Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
Euplectella (Venus flower basket) is a
porifer
protozoan
coelentrate
nematode
Animals belonging to order Rodentia have
long incisors
long canines
short canines
short incisors
In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
protostomes
deuterostomes
cyclostomes
blastostomes
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
Which of the following is a matching set of groups in animal classification ?
Annelida, Porifera and Mammals as phyla
Hydrozoa, Mollusca and chordata as phyla
Protozoa, Reptilia and Mammalia as classes
Insecta, Cephalopoda and Aves as classes
Echis carinata is known as
coral snake
brain coral
tree snake
none of these