A suctorial mouth is present in
leech
cockroach
housefly
butterfly
Correct Answer :
A. leech
Related Questions
Which of the following is not an acoelomate animal ?
Sponge
Jelly fish
Tapeworm
Roundworm
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
Largest animals belong to class
arthropoda
pisces
mammalia
reptilia
A true terestrial animal among these is
frog
tortoise
salamander
toad
Branchiostonta is an example of
Cephalochordata
Agnatha
Urochordata
Gnathostomata
Egg laying mammals are found in
India
Australia
Africa
South America
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 locust is
an arthropod
a mollusc
an insect
an echinoderm
Which is a matching set in taxonomy ?
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
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
Which one is a cold blooded animal
Penguin
Whale
Otter
Tortoise
The order insectivora of class mammalia includes
moles, shrews and hedgehogs
monkeys, apes and man
whales and dolphins
kangaroo, lions and wolves
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach
Which one is an unmatching pair ?
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
Tube in the tube' plan is exhibited by one of the following phyla :
Coelenterata
Porifera
Annelida
Arthropoda
Which one of the following is a metatherian mammal ?
Hystrin
Tachyglossns
Diadelphyes
None of these
Viviparous animal is
shark
mud puppy
bony fish
fish
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 body of Hydra is
asymmetrical
symmetrical
bilaterally symmetrical
radially symmetrical
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
The smallest unit of classification in animals is
variety
species
sub species
genus
Most important characteristic of the mammal is the presence of
pinnae
four-chambered heart
movement on two limbs only
diaphragm
Which of the following is not a true amphibian animal ?
Frog
Toad
Salamander
Tortoise
All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
One of the following is not an animal:
Ant eater
Dolfin
Heloderma
Echidna
The generic name of apple snail is
Limax
Pila
Sepia
Murex
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca