Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Correct Answer :
A. annelide
Related Questions
Echis carinata is known as
coral snake
brain coral
tree snake
none of these
The beak of birds is toothed in
Ostrich
Kiwi
Archaeopteryx
Pelican
Which of the following is a matching set of the class and some of its main distinguishing features?
Sporozoa - infection by sporozoites transmission by intermediate host and a contractile vacuole
Trematoda - well developed suckers, flat and unsegmented body
Arachnida - 3 pairs of legs, chitinous exosketeton and poisonous sting
Insecta - compound eyes, segmented body and nephridia
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
Turbellarians are
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
Which of the following is not a diploblas-tic group ?
Porifera
Coelentrata
Annelida
Platyhelminthes
Taenia, Periplaneta and Pheretima are non-chordates because
their body is segmented
they do not possess a post-anal tail
they do not have a coelom
all of these
The insects of the class Diptera include
termites
beetles
mosquitoes
grasshoppers
The locust is
an arthropod
a mollusc
an insect
an echinoderm
The most highly advanced character in reptilia is the presence of
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny
Tortoises and turtles are included under order
Reptilia
Squamata
Chelonia
None of these
In the course of evolution, the true coelom appeared first in
aschelminthes
annelida
arthropoda
echinodermata
The type of symmetry best suited to non-motile organisms is
radial symmetry
bilateral symmetry
asymmetry
both (a) and (b)
National mammal of India is
cow
peacock
lion
tiger
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
Which one of the following is a matching set in animal classification based on correct sequence of phylum ?
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
The respiratory organs of crustaceans are
tracheae
book lungs
gills
skin
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
Constant body temperature is found in
earthworm
snake
frog
cow
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
Structures built on a common plan, but modified during the course of evolution : to serve particular function in different animals are regarded as
homologous
analogous
both homologous and analogous
phylogenetically related
Character common in spider, cockroach and centipede is
compound eyes
joint legs
book lungs
green glands
Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
Which one of the following is found in chordates but not in non-chordates
Gills
Spiracles
Post anal tail
Chitious skeleton
Antedon belongs to class
echinodermata
ophiuroidea
crinoidea
echinoidea
Which one of the following sets of animals are homeothermic ?
Salamandar, lizard, penguin and bat
Tortoise, crocodile, crow and bat
Crow, penguin, bat and rat
Turtle, ostrich, spiny ant eater and dog
Which of the following sets belongs to the same class ?
Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
Which one of the animals does not have a segmented body ?
Shipworm
Glowworm
Earthworm
Tapeworm