Bilateral symmetry, metameric segmentation, coelom and open circulatory system are characters of
annelida
arthropoda
mollusca
echinodermata
Correct Answer :
B. arthropoda
Related Questions
The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
Which of the following has a diaphragm between the thorax and abdomen
Frog
Lizard
Pigeon
Whale
The larval forms called bladder worms are characteristic of
intestinal parasites
earthworms
roundworms
tapeworms
Viviparous animal is
shark
mud puppy
bony fish
fish
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
These species inhabiting different geographical areas are
allopatric
sibling species
morphospecies
sympatric
The mammals of order Rodentia have
long incisors
short incisors
long canines
long molars
Which of the following belongs to Mollusca ?
Starfish
Dogfish
Silver fish
Goldfish
Which of the following animals has a ventral nerve cord
Frog
Cockroach
Hydra
Earthworm
The smallest unit of classification in animals is
variety
species
sub species
genus
Binomial system of nomenclature in classification was divided by Carolus Linnaeus. It provides the names pertaining to
one scientific and one popular
given by two taxonomists
one generic and one specific epithet
international identifying catalogue
Which one of the following sets of animals belongs to class cydostomata
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus
The respiratory organs of crustaceans are
tracheae
book lungs
gills
skin
The term Thylum' in taxonomy was given by
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
The beak of birds is toothed in
Ostrich
Kiwi
Archaeopteryx
Pelican
Which of the following have played a part in human evolution, different races adapting to different climate ?
Geographical isolation
Reproductive isolation
Behavioural isolation
Hybrid in viability
Insects possess
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
In title classification of animals a 'family' name is formed by adding
idae as a suffix to the name of the type genus
inae as a suffix
ceae as a suffix
oidea as a suffix
Which one of the following is a coelenterate ?
Tea cucumber
Sea urchin
Sea horse
Sea pen
Presence of a vestigeal appendix in man suggests that our forebears were
herbivores
carnivores
omnivores
fruit eaters
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
A limbless amphibian is
Siren
Ophiosaurus
Triturus
Ichthyophis
Largest animals belong to class
arthropoda
pisces
mammalia
reptilia
Constant body temperature is found in
earthworm
snake
frog
cow
Hair of bat and feathers of pigeon are
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these
The basic unit of taxonomy is
genus
order
class
species