The most highly advanced character in reptilia is the presence of
four-chambered heart
shelled eggs
thecodont dentition
powerful jaws
Correct Answer :
A. four-chambered heart
Related Questions
Which of the following has a diaphragm between the thorax and abdomen
Frog
Lizard
Pigeon
Whale
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
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
Typhlop is a
true snake
blind worm
false snake
true worm
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
Cephalophoda is a class of animals in which
notochord extends upto head
foot is located on head
head is located on foot
head is fused with thorax
Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Which of the sponge is given as a gift in Japan?
Hyalonema
Euplectalla
Tethya
Leucosolenia
The group amniota includes
birds and mammals
birds and reptiles
reptiles and mammals
reptiles, birds and mammals
Which of the following is not a diploblas-tic group ?
Porifera
Coelentrata
Annelida
Platyhelminthes
Dolphins are classified under
Pisces
Amphibia
Reptile
Mammals
Apart from mammals, the other group of animals maintaining high and constant body temperature is
insects
birds
fishes
reptiles
'Systema Naturae' was written by
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
The locust is
an arthropod
a mollusc
an insect
an echinoderm
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
All animals which do not have the vertebral column are
protozoa
invertebrate
nonchordata
chordata
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
Bony plates are found in addition to scales in
hag fish
eel
flyingfish
seahorse
Heart pumps only impure blood in case of
shark
whale
frog
lizard
Which of the following shows deuteros- I tome condition ?
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
Vertebrates possess
well developed body cavity with alimentary canal
dorsal tubular nerve cord
ventrally situated heart
all of these
Most important characteristic of the mammal is the presence of
pinnae
four-chambered heart
movement on two limbs only
diaphragm
Match the species :
Scorpion, Spider
Scorpion, Obelia, Hydra
Star fish, Obelia, Hydra
Cockroach, Earthworm, Taenia solium
A true terestrial animal among these is
frog
tortoise
salamander
toad
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
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
National mammal of India is
cow
peacock
lion
tiger
Hair of bat and feathers of pigeon are
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
Taxonomy is the science that deals with the classification of
plants
animals
microorganisms
living organisms