limb girdles
dermal scales
lungs
dorsal nerve cord
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these
idae as a suffix to the name of the type genus
inae as a suffix
ceae as a suffix
oidea as a suffix
shark
mud puppy
bony fish
fish
crayfish
frog
grasshopper
starfish
Chordata
Mollusca
Coelentrata
Porifera
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Hydra
Earthworm
Cockroach
Centipede
round
parasitic
triploblastic
segmented
true snake
blind worm
false snake
true worm
limbless amphibian
limbless snake
limbless lizard
limbless fish
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
Ascaris
Planaria
Rotifer
Sea anemone
India
U.K
USSR
West Indies
insects
crustaceans
annelids
arachnids
termites
beetles
mosquitoes
grasshoppers
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Limax
Pila
Sepia
Murex
lizard
tree snake
nematode
fish
Frog
Cockroach
Hydra
Earthworm
earthworm
snake
frog
cow
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
Insecta
Myriapoda
Arachnida
Onychophora
mollusca
bivalvia
scaphopoda
gastropoda
insecta
oligochaeta
arachnida
crustace
echinodermata
ophiuroidea
crinoidea
echinoidea
tracheae
book lungs
gills
skin
Peripatus
Limulus
Balanoglossus
Sphenodon
Flame CellsPlatyhelminthes
Metametric segmentationMollusca
Gill-slitChordata
Stininging cellsCoelenterata