Which of the following is represented by the largest number of species ?
Insecta
Protozoa
Mammalia
Aves
Correct Answer :
C. Mammalia
Related Questions
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
In fishes, lobed fins are found in
marine fishes
fresh water fishes
lung fishes
none of these
Salamander belongs to class
Reptilia
Amphibia
Aves
Mammalia
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Which of the following is not a diploblas-tic group ?
Porifera
Coelentrata
Annelida
Platyhelminthes
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
Amphixous is a marine animal belonging to the sub-phylum
Urochordata
Cephalochordata
Vertebrata
Hemichordata
Turbellarians are
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
One of the following is not an animal:
Ant eater
Dolfin
Heloderma
Echidna
Pharyngeal gill slits are found in
flying fish
silver fish
crayfish
cuttlefish
Which one of the following is a metatherian mammal ?
Hystrin
Tachyglossns
Diadelphyes
None of these
Bilateral symmetry, metameric segmentation, coelom and open circulatory system are characters of
annelida
arthropoda
mollusca
echinodermata
The term Thylum' in taxonomy was given by
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
The rules for the naming of living organisms were first established by
John Ray
Charles Darwin
Carolus Linnaeus
Robert Gunther
Which is the common character between all mammals ?
They are viviparous
They are herbivores
They are carnivores
They have 7 cervical vertebrae
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these
Taxonomy is the science that deals with the classification of
plants
animals
microorganisms
living organisms
A definite number of body segments is found in
leech
tapeworm
earthworm
slug
Diploblastic acoelomate condition is found in
Ascaris
Planaria
Rotifer
Sea anemone
Which of the following animals has a diaphragm between the thorax and abdomen ?
Frog
Lizard
Pigeon
Whale
These species inhabiting different geographical areas are
allopatric
sibling species
morphospecies
sympatric
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
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
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
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach