In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
protostomes
deuterostomes
cyclostomes
blastostomes
Correct Answer :
A. protostomes
Related Questions
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
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
The main basis of classification of Phylum Protozoa is
size
locomotary organelles
shape
number of nuclei
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
Viviparous animal is
shark
mud puppy
bony fish
fish
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
The smallest unit of classification in animals is
variety
species
sub species
genus
Heart pumps only impure blood in case of
shark
whale
frog
lizard
Nauplius larva belongs to
insects
shrimps
echinoderms
molluscs
Aside from a three chambered heart, reptiles are characterised by the presence of
limb girdles
dermal scales
lungs
dorsal nerve cord
Lobsters and crabs belong to the class
Insecta
Arachnida
Crustacea
Polychaeta
Octopus belongs to class
mollusca
cephalopoda
anneilida
arthropoda
Glass snake is a
lizard
tree snake
nematode
fish
Which of the following animals has a diaphragm between the thorax and abdomen ?
Frog
Lizard
Pigeon
Whale
The beak of birds is toothed in
Ostrich
Kiwi
Archaeopteryx
Pelican
Which of the following is represented by the largest number of species ?
Insecta
Protozoa
Mammalia
Aves
Euplectella (Venus flower basket) is a
porifer
protozoan
coelentrate
nematode
Exclusively marine animals are found in group
Fishes and Echinodermata
Coelentrata and Echinodermata
Porifera and Coelentrata
Echinodermata and Protochordata
Tube feet are the locomotory organs found in
Protozoans
Arthropods
Echinodermata
Molluscs
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
Tapeworm is placed in class
Cestoda
Trematoda
Sporozoa
Suctoria
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
Which of the protozoan is considered as connecting link between animals and plants ?
Entamoeba
Paramecium
Euglena
Monocystis
The generic name of peacock is
Passer domesticus
Pavo cristatus
Psittacula krameri
None of these
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
Segmentation of the body is not represented in
crayfish
frog
grasshopper
starfish
Which of the following is not a diploblas-tic group ?
Porifera
Coelentrata
Annelida
Platyhelminthes
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
According / to Whittaker, the five kingdoms into which all living beings are classified are
Monera, Protista, Metaphyta, Meta-zoa and Parazoa
Monera, Protista, Fungi, Plantae and Animalia
Mpnera, Prokaryotes, Fungi, Plantae and Animalia
Prokaryotes, Eukaryotes, Fungi, Plantae and Animalia