The biggest phylum in regard to the number of species is
Arthropoda
Platyhelminthes
Chordata
Protozoa
Correct Answer :
A. Arthropoda
Related Questions
Taenia, Periplaneta and Pheretima are non-chordates because
their body is segmented
they do not possess a post-anal tail
they do not have a coelom
all of these
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Which of the following has a diaphragm between the thorax and abdomen
Frog
Lizard
Pigeon
Whale
Brain coral is
fungia
meandria
astia
none of these
The biggest phylum in regard to the number of species is
Arthropoda
Platyhelminthes
Chordata
Protozoa
Which of the following is represented by the largest number of species ?
Insecta
Protozoa
Mammalia
Aves
Correct statement is :
Archaeopteryx is a connecting link between mammals and aves
Duck-bill platypus is a connecting link between reptiles and mammals
Sea horse is a connecting link between fish and horse
Hydra is a connecting link between protozoa and metazoa
A limbless amphibian is
Siren
Ophiosaurus
Triturus
Ichthyophis
Biramous appendages are typically found in
insects
crustaceans
annelids
arachnids
The larval forms called bladder worms are characteristic of
intestinal parasites
earthworms
roundworms
tapeworms
What is common to fishes, amphibians and reptiles ?
Scales
Eggs
Shelled eggs
Gills
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
Which of the following belongs to Mollusca ?
Starfish
Dogfish
Silver fish
Goldfish
Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
Which of the following has no segmentation ?
Hydra
Earthworm
Cockroach
Centipede
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 centipede has
100 legs
50-100 legs
As many legs as body segments
As many pairs of legs as body segments
Which of the sponge is given as a gift in Japan?
Hyalonema
Euplectalla
Tethya
Leucosolenia
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
Which one is a cold blooded animal
Penguin
Whale
Otter
Tortoise
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Cloning is possible in nature in
sexually reproducing species
asexually reproducing species
self-fertilising species
none of these
Which of the following does not show J metamerism ?
Roundworms
Earthworms
Amphibian blind worms
Limbless lizards
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
The smallest unit of classification in animals is
variety
species
sub species
genus
Which of the following is not a deuteros-tome phylum ?
Mollusca
Echinodermata
Hemichordata
Urochordata
Presence of a vestigeal appendix in man suggests that our forebears were
herbivores
carnivores
omnivores
fruit eaters
Physalia, the "Portugese man of War" belongs to class
Coelenterata
Hydrozoa
Scyphozoa
Anthozoa