Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
Correct Answer :
D. primitive aquatic egg laying animal
Related Questions
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
An insect differs from a spider in the following ways :
Insect has 6 pairs of legs and one pair of wings while spider has 4 pairs of legs and no wings
Insect has 4 pair of legs and two pairs of wings while spider has 3 pairs of legs and no wings
Insect has 3 pairs of legs and two pairs of wings and spider has 4 pairs of legs and no wings
Insect has 3 pairs of legs and generally no wings while spider has 5 pairs of legs and generally one pair of wings
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
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
Which of the following is not a deuteros-tome phylum ?
Mollusca
Echinodermata
Hemichordata
Urochordata
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)
Viviparous animal is
shark
mud puppy
bony fish
fish
Segmentation of the body is not represented in
crayfish
frog
grasshopper
starfish
Egg laying mammals are found in
India
Australia
Africa
South America
For finding a haemocoel which animal you will select ?
Earthworm
Hydra
Ascaris
Scolopendra
Metamerism is a characteristic feature of
porifera
mollusca
annalida
platyhelminthes
Which of the following is not a true amphibian animal ?
Frog
Toad
Salamander
Tortoise
What is common to fishes, amphibians and reptiles ?
Scales
Eggs
Shelled eggs
Gills
The larval forms called bladder worms are characteristic of
intestinal parasites
earthworms
roundworms
tapeworms
Which is matching set in taxonomy ?
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Which of the following is a species ?
Mammalia
Carnivora
Canidae
Catiisfamilaris
Which of the following is represented by the largest number of species ?
Insecta
Protozoa
Mammalia
Aves
Which one of the following sets has all hermophrodite animals ?
Ascaris, Hydra, Earthworm
Leech, Hydra, Tapeworm
Hydra, Man, Leech
Tapeworm, Toad, Starfish
The generic name of peacock is
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
One of these is a metatherian mammal
Echidna
Kangaroo
Pangolin
Panda
Spider is not included under class insects because of
absence of walking legs
absence of mandibles
absence of wings
presence of walking legs
The order insectivora of class mammalia includes
moles, shrews and hedgehogs
monkeys, apes and man
whales and dolphins
kangaroo, lions and wolves
The term 'Protista' was given by
Carolus Linnaeus
E. Haeckel
G.L. Cuvier
John Ray
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
The centipede has
100 legs
50-100 legs
As many legs as body segments
As many pairs of legs as body segments
Turbellarians are
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
The term "Monera" stands for
all prokaryotes
bacterai, blue green algae and sinlge celled eukaryotes
bacteria, blue green algae and single celled eukaryotic animals
single celled eukaryotes and prokaryotes
Whale belongs to the taxonomic group
Fishes
Reptilia
Echinodermata
Mammalia
Which of the following has no segmentation?
Hydra
Earthworm
Centipede
Cockroach
Typhlop is a
true snake
blind worm
false snake
true worm