All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
Correct Answer :
A. Cetacea
Related Questions
Viviparous animal is
shark
mud puppy
bony fish
fish
What is common to fishes, amphibians and reptiles ?
Scales
Eggs
Shelled eggs
Gills
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
Which one is an unmatching pair ?
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
One of the following is not a true fish :
Saw fish
Silver fish
Dogfish
Pipefish
Which of the protozoan is considered as connecting link between animals and plants ?
Entamoeba
Paramecium
Euglena
Monocystis
One of the primary characters of chlor-date is
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
Turbellarians are
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
The phylum arthropoda is characterised by the presence of
chitinous exoskeleton, external segmentation and paired appendages
chitinous exoskeleton, external segmentation and paired jointed appendages
chitinous exoskeleton and paired antennae
chitinous exoskeleton, antennae and compound eyes
Taxon is the
name of a taxonomy journal
name of a branch of taxonomy
a rank of classification as phylum, class, order, species
group of similarly constituted species
Heart pumps only impure blood in case of
shark
whale
frog
lizard
The rules for the naming of living organisms were first established by
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach
Which of the following is not a correct taxonomic match ?
Platyhelminthessolenocytes
Molluscametamerism
Mammaliadiaphragm
Chordatadorsal tubular nerve cord
Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
Which of the following sets belongs to the same class ?
Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
Tortoises and turtles are included under order
Reptilia
Squamata
Chelonia
None of these
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
The type of symmetry best suited to non-motile organisms is
radial symmetry
bilateral symmetry
asymmetry
both (a) and (b)
The biggest phylum in regard to the number of species is
Arthropoda
Platyhelminthes
Chordata
Protozoa
Cephalophoda is a class of animals in which
notochord extends upto head
foot is located on head
head is located on foot
head is fused with thorax
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 is not a deuteros-tome phylum ?
Mollusca
Echinodermata
Hemichordata
Urochordata
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
Most important characteristic of the mammal is the presence of
pinnae
four-chambered heart
movement on two limbs only
diaphragm
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
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
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach