Segmentation of the body is not represented in
crayfish
frog
grasshopper
starfish
Correct Answer :
D. starfish
Related Questions
Biramous appendages are typically found in
insects
crustaceans
annelids
arachnids
Which of the following is represented by the largest number of species ?
Insecta
Protozoa
Mammalia
Aves
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
A definite number of body segments is found in
leech
tapeworm
earthworm
slug
Exclusively marine chelones are known as
tortoise
turtles
sea hares
none of these
Hair of bat and feathers of pigeon are
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
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
One of the primary characters of chlor-date is
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
Which one of the following sets of animals belongs to class cydostomata
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
protostomes
deuterostomes
cyclostomes
blastostomes
The concept of homology can be applied to
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Constant body temperature is found in
earthworm
snake
frog
cow
Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Platyhelminthes are called
flat worms
roundworms
tapeworms
blind worms
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
In fishes, lobed fins are found in
marine fishes
fresh water fishes
lung fishes
none of these
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
Heart pumps only impure blood in case of
shark
whale
frog
lizard
The respiratory organs of crustaceans are
tracheae
book lungs
gills
skin
Which of the following is a species ?
Mammalia
Carnivora
Canidae
Catiisfamilaris
Presence of a vestigeal appendix in man suggests that our forebears were
herbivores
carnivores
omnivores
fruit eaters
Glass snake is a
lizard
tree snake
nematode
fish
Which of the following does not show J metamerism ?
Roundworms
Earthworms
Amphibian blind worms
Limbless lizards
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Character common in spider, cockroach and centipede is
compound eyes
joint legs
book lungs
green glands
Which of the following belongs to Mollusca ?
Starfish
Dogfish
Silver fish
Goldfish
Canal system is characteristic of
hydra
sponge
sea anemone
sea urchin
Egg laying mammals are found in
India
Australia
Africa
South America
Cloning is possible in nature in
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these