Aside from a three chambered heart, reptiles are characterised by the presence of
limb girdles
dermal scales
lungs
dorsal nerve cord
Correct Answer :
B. dermal scales
Related Questions
One of these is a metatherian mammal
Echidna
Kangaroo
Pangolin
Panda
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
Which of the following has no segmentation ?
Hydra
Earthworm
Cockroach
Centipede
Tortoises and turtles are included under order
Reptilia
Squamata
Chelonia
None of these
Tube in the tube' plan is exhibited by one of the following phyla :
Coelenterata
Porifera
Annelida
Arthropoda
Which of the following is not a diploblas-tic group ?
Porifera
Coelentrata
Annelida
Platyhelminthes
The taxonomic unit of any rank/category is known as
species
taxon
taxis
genus
Which of the following sets belongs to the same class ?
Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
Pharyngeal gill slits are found in
flying fish
silver fish
crayfish
cuttlefish
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
Glow worm is
an annelid
a true worm
a type of earthworm
an insect
Metamerism is a characteristic feature of
porifera
mollusca
annalida
platyhelminthes
Which of the following is a correct hierar-chial sequence in systematics ?
Species, genus, family, order, class, phylum
Species, genus, order, family, class, phylum
genus, species, order, family, class, phylum
genus, family, order, class, species, phylum
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
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
The insects of the class Diptera include
termites
beetles
mosquitoes
grasshoppers
The phylum arthropoda is characterised by the presence of
chitinous exoskeleton, external segmentation and paired appendages
chitinous exoskeleton, external segmentation and paired jointed appendages
chitinous exoskeleton and paired antennae
chitinous exoskeleton, antennae and compound eyes
Which one is characteristic for birds ?
They are flying animals
They are warm blooded
They are bipedal and have feathers
They are quadruped and have scales
The group amniota includes
birds and mammals
birds and reptiles
reptiles and mammals
reptiles, birds and mammals
National mammal of India is
cow
peacock
lion
tiger
One of the following is not a true fish :
Saw fish
Silver fish
Dogfish
Pipefish
One of the primary characters of chlor-date is
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Glass snake is a
lizard
tree snake
nematode
fish
What is common to fishes, amphibians and reptiles ?
Scales
Eggs
Shelled eggs
Gills
All animals which do not have the vertebral column are
protozoa
invertebrate
nonchordata
chordata
Chief distinguishing features of mammals are
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
Temperature regulation is found in
Fish
Rat
Frog
Lizard
The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
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