Which is the common character between all mammals ?
They are viviparous
They are herbivores
They are carnivores
They have 7 cervical vertebrae
Correct Answer :
D. They have 7 cervical vertebrae
Related Questions
According to Whittaker, the term 'protista' includes
all types of single celled eukaryotic organisms
all types of single celled plants, animals as well as bacteria
all types of bacteria and blue green algae
all types of sinlge celled eukaryotes and prokaryotes
Diploblastic acoelomate condition is found in
Ascaris
Planaria
Rotifer
Sea anemone
Body segments are said to be homono-mous when
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
Canal system is characteristic of
hydra
sponge
sea anemone
sea urchin
The taxonomic unit of any rank/category is known as
species
taxon
taxis
genus
Which of the following is a species ?
Mammalia
Carnivora
Canidae
Catiisfamilaris
The smallest unit of classification in animals is
variety
species
sub species
genus
Whale, monkey and bat have seven cervical vertebrae. Which one has the same number of cervical vertebrae ?
Giraffe
Crocodile
Shark
Ostrich
Which one of the following is a matching set in animal classification based on correct sequence of phylum ?
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
Insects possess
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
Metamerism is a characteristic feature of
porifera
mollusca
annalida
platyhelminthes
Tube in the tube' plan is exhibited by one of the following phyla :
Coelenterata
Porifera
Annelida
Arthropoda
What is common to fishes, amphibians and reptiles ?
Scales
Eggs
Shelled eggs
Gills
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these
Which of the protozoan is considered as connecting link between animals and plants ?
Entamoeba
Paramecium
Euglena
Monocystis
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
The segmentation which affects both external and internal features represented in
annelida
peripatus
insects
acolopendra
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
Cloning is possible in nature in
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
Echis carinata is known as
coral snake
brain coral
tree snake
none 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
'Systema Naturae' was written by
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
The locust is
an arthropod
a mollusc
an insect
an echinoderm
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
In which of the following sets, groups are not correctly matched ?
Onychophora, Myriapoda, Arachnida
Hydrozoa, Scyphozoa, Anthozoa
Polychaeta, Hirudiniea, Oligochaeta
Gastropoda, Rhizopoda, Scaphopoda
Which of the following has a diaphragm between the thorax and abdomen
Frog
Lizard
Pigeon
Whale
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny