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)
Correct Answer :
A. natural relationships, reflecting evolutionary relationship
Related Questions
Only poisonous lizard of the world is
Ophiosaurs
Heloderma
Varanus
None of these
The segmentation which affects both external and internal features represented in
annelida
peripatus
insects
acolopendra
Which of the following pairs of specific names belongs to the same genus
histolytica and proteus
histolytica and coli
histolytica and falciparum
histolytica and rocktertil
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
Limulus, the king-crab, is the only living representative of the order xiphosura belonging to the phylum
Annelida
Mollusca
Echinodermata
Arthropoda
Which of the following animals has a diaphragm between the thorax and abdomen ?
Frog
Lizard
Pigeon
Whale
Which of the following shows deuteros- I tome condition ?
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
Correct statement is :
Archaeopteryx is a connecting link between mammals and aves
Duck-bill platypus is a connecting link between reptiles and mammals
Sea horse is a connecting link between fish and horse
Hydra is a connecting link between protozoa and metazoa
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
Viviparous animal is
shark
mud puppy
bony fish
fish
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
Which of the sponge is given as a gift in Japan?
Hyalonema
Euplectalla
Tethya
Leucosolenia
The concept of homology can be applied to
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Which of the following groups of characters is present in all chordates in some or other stage in their life ?
Mammary glands, hairs, gill slits
Notochord, gill slits and dorsal ! tubular nervous system
Notochord, scales and dorsal tubular nervous system
Gill slits, vertebral column and notochoitl
Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Which one is an unmatching pair ?
Lamprey-Agnatha
Shark-Chond rich thyes
Turtle-Amphibia
Lizard-Reptilia
Glass snake is a
lizard
tree snake
nematode
fish
The most highly advanced character in reptilia is the presence of
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws
In fishes, lobed fins are found in
marine fishes
fresh water fishes
lung fishes
none of these
The generic name of peacock is
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
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
Aside from a three chambered heart, reptiles are characterised by the presence of
limb girdles
dermal scales
lungs
dorsal nerve cord
Which of the following is not a deuteros-tome phylum ?
Mollusca
Echinodermata
Hemichordata
Urochordata
Which of the following is not a correct taxonomic match ?
Platyhelminthessolenocytes
Molluscametamerism
Mammaliadiaphragm
Chordatadorsal tubular nerve cord
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
These species inhabiting different geographical areas are
allopatric
sibling species
morphospecies
sympatric