Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
Correct Answer :
A. Cephalochordata
Related Questions
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
Bilateral symmetry, metameric segmentation, coelom and open circulatory system are characters of
annelida
arthropoda
mollusca
echinodermata
For finding a haemocoel which animal you will select ?
Earthworm
Hydra
Ascaris
Scolopendra
Body segments are said to be homono-mous when
external segments correspond to internal segments
the body of an animal is made up of dissimilar units
all body segments along the length of the body are similar
none of these
The insects of the class Diptera include
termites
beetles
mosquitoes
grasshoppers
One of the following is not a true fish :
Saw fish
Silver fish
Dogfish
Pipefish
All worms are mainly
round
parasitic
triploblastic
segmented
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
National mammal of India is
cow
peacock
lion
tiger
Archaeopteryx called a connecting link, carried the characters, of
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
The type of symmetry best suited to non-motile organisms is
radial symmetry
bilateral symmetry
asymmetry
both (a) and (b)
The taxonomic unit of any rank/category is known as
species
taxon
taxis
genus
Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
A pearl oyster belongs to class
mollusca
bivalvia
scaphopoda
gastropoda
Apart from mammals, the other group of animals maintaining high and constant body temperature is
insects
birds
fishes
reptiles
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
Which of the following is a correct hierar-chial sequence in systematics ?
Species, genus, family, order, class, phylum
Species, genus, order, family, class, phylum
genus, species, order, family, class, phylum
genus, family, order, class, species, phylum
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
The locust is
an arthropod
a mollusc
an insect
an echinoderm
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
The larval forms called bladder worms are characteristic of
intestinal parasites
earthworms
roundworms
tapeworms
Flying bats are included under which order of class Mammalia ?
Cetacea
Chiroptera
lnsectivora
Lagomorpha
Whale belongs to the taxonomic group
Fishes
Reptilia
Echinodermata
Mammalia
Largest animals belong to class
arthropoda
pisces
mammalia
reptilia
Which of the following is not an acoelomate animal ?
Sponge
Jelly fish
Tapeworm
Roundworm
Which of the following animals has a ventral nerve cord
Frog
Cockroach
Hydra
Earthworm
In which of the following sets, groups are not correctly matched ?
Onychophora, Myriapoda, Arachnida
Hydrozoa, Scyphozoa, Anthozoa
Polychaeta, Hirudiniea, Oligochaeta
Gastropoda, Rhizopoda, Scaphopoda
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these