The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
Correct Answer :
B. exoskeleton of feathers
Related Questions
The mammals of order Rodentia have
long incisors
short incisors
long canines
long molars
The main basis of classification of Protozaoa is
number of nuclei
shape of the organisms
method of reproduction
locomotary device
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
Temperature regulation is found in
Fish
Rat
Frog
Lizard
Which of the following is not correctly matched ?
Flame CellsPlatyhelminthes
Metametric segmentationMollusca
Gill-slitChordata
Stininging cellsCoelenterata
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
Bilateral symmetry, metameric segmentation, coelom and open circulatory system are characters of
annelida
arthropoda
mollusca
echinodermata
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny
In title classification of animals a 'family' name is formed by adding
idae as a suffix to the name of the type genus
inae as a suffix
ceae as a suffix
oidea as a suffix
A triploblastic animal in which I mesenchyme fills the space between ectoderm and endoderm is
Sea anemone
Planarian
Pheretima
Starfish
Which is a matching set in taxonomy ?
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
A natural system of classification is based upon
natural relationships, reflecting evolutionary relationship
morphological similarities between organisms
embryologicall, biochemical, phisio-loical and ecological considerations
both (b) and (c)
According / to Whittaker, the five kingdoms into which all living beings are classified are
Monera, Protista, Metaphyta, Meta-zoa and Parazoa
Monera, Protista, Fungi, Plantae and Animalia
Mpnera, Prokaryotes, Fungi, Plantae and Animalia
Prokaryotes, Eukaryotes, Fungi, Plantae and Animalia
A limbless amphibian is
Siren
Ophiosaurus
Triturus
Ichthyophis
Which one of the animals does not have a segmented body ?
Shipworm
Glowworm
Earthworm
Tapeworm
Flying bats are included under which order of class Mammalia ?
Cetacea
Chiroptera
lnsectivora
Lagomorpha
In the course of evolution, the true coelom appeared first in
aschelminthes
annelida
arthropoda
echinodermata
True fishes possess gills and fins. Which of the following is not a true fish ?
Silver fish
Goldfish
Silver carp
Seahorse
All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
One of the following is not a true fish :
Saw fish
Silver fish
Dogfish
Pipefish
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach
Presence of a vestigeal appendix in man suggests that our forebears were
herbivores
carnivores
omnivores
fruit eaters
The term Thylum' in taxonomy was given by
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
Chief distinguishing features of mammals are
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
Diploblastic acoelomate condition is found in
Ascaris
Planaria
Rotifer
Sea anemone
Platyhelminthes are called
flat worms
roundworms
tapeworms
blind worms
Pharyngeal gill slits are found in
flying fish
silver fish
crayfish
cuttlefish
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
Which one of the following sets of animals belongs to class cydostomata
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus