Which of the following does not show J metamerism ?
Roundworms
Earthworms
Amphibian blind worms
Limbless lizards
Correct Answer :
A. Roundworms
Related Questions
Pharyngeal gill slits are found in
flying fish
silver fish
crayfish
cuttlefish
The generic name of peacock is
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
True fishes possess gills and fins. Which of the following is not a true fish ?
Silver fish
Goldfish
Silver carp
Seahorse
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
Bony plates are found in addition to scales in
hag fish
eel
flyingfish
seahorse
National mammal of India is
cow
peacock
lion
tiger
A limbless amphibian is
Siren
Ophiosaurus
Triturus
Ichthyophis
The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
One of the primary characters of chlor-date is
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
Members of which phylum exhibit adaptations widely varied environmental conditions ?
Annelida
Platyhelminthes
Echinodermata
Mollusca
Which of the following is a matching set of the class and some of its main distinguishing features?
Sporozoa - infection by sporozoites transmission by intermediate host and a contractile vacuole
Trematoda - well developed suckers, flat and unsegmented body
Arachnida - 3 pairs of legs, chitinous exosketeton and poisonous sting
Insecta - compound eyes, segmented body and nephridia
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
Whale, monkey and bat have seven cervical vertebrae. Which one has the same number of cervical vertebrae ?
Giraffe
Crocodile
Shark
Ostrich
Tube feet are the locomotory organs found in
Protozoans
Arthropods
Echinodermata
Molluscs
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
All animals which do not have the vertebral column are
protozoa
invertebrate
nonchordata
chordata
A true terestrial animal among these is
frog
tortoise
salamander
toad
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Histological differentiation is absent in
Amoeba
Hydra
Earthworm
Cockroach
One of the following is not an animal:
Ant eater
Dolfin
Heloderma
Echidna
Coelentrates generally include the animals which are
radial symmetrical and triploblastic
radial symmetrical and diploblastic
bilateral symmetrical and triploblastic
biradial symmetrical and diploblastic
Which of the following is not a true amphibian animal ?
Frog
Toad
Salamander
Tortoise
Character common in spider, cockroach and centipede is
compound eyes
joint legs
book lungs
green glands
The centipede has
100 legs
50-100 legs
As many legs as body segments
As many pairs of legs as body segments
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
Cephalisation is a characteristic feature of
immotile, radially symmetrical animals
motile, bilaterally symmetrical animals
bilaterally symmetrical, non-motile terrestrial animals
both (b) and (c)
Cloning is possible in nature in
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
Natural system of classification has the basis of
morphology
Phylogeny
both (a) and (b)
ontogeny
Which of the following is the correct pairing of the classification groups and common example ?
Porifera - Sea fan
Crustacea - Cuttle fish
Platyhelminthes - Neries
Martigophora - Volvox
In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
protostomes
deuterostomes
cyclostomes
blastostomes