Monotremata is a group of animals which includes
fishes with a sinlge gill aperture
insects with a single pair of functional spiracles
mammals with a single common cloacal opening
protozoans with single flagellum
Correct Answer :
C. mammals with a single common cloacal opening
Related Questions
Whale belongs to the taxonomic group
Fishes
Reptilia
Echinodermata
Mammalia
Only poisonous lizard of the world is
Ophiosaurs
Heloderma
Varanus
None of these
Which one of the following is a matching set in animal classification based on correct sequence of phylum ?
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
Which of the following have played a part in human evolution, different races adapting to different climate ?
Geographical isolation
Reproductive isolation
Behavioural isolation
Hybrid in viability
The main basis of classification of Phylum Protozoa is
size
locomotary organelles
shape
number of nuclei
The body of Hydra is
asymmetrical
symmetrical
bilaterally symmetrical
radially symmetrical
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
Snakes are not found in
India
U.K
USSR
West Indies
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
Dolphins are classified under
Pisces
Amphibia
Reptile
Mammals
The concept of homology can be applied to
gross structures of the body
physiological mechanisms
biochemical similarities
all of these
Monotremata is a group of animals which includes
fishes with a sinlge gill aperture
insects with a single pair of functional spiracles
mammals with a single common cloacal opening
protozoans with single flagellum
Chief distinguishing features of mammals are
hairy skin and ovipary
hairy skin and mammary glands
mammary glands and teeth
pinnae and teeth
Diploblastic acoelomate condition is found in
Ascaris
Planaria
Rotifer
Sea anemone
Ophiosaurus commonly known as glass snake is a
limbless amphibian
limbless snake
limbless lizard
limbless fish
The most important characteristic of class aves is
homeothermous animals
exoskeleton of feathers
bipedal vertebrates
none of these
Which of the following is not correctly matched ?
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
The system of classification proposed by Linnaeus is regarded by modem biologists as
an artificial system of classification
a natural system of classification
a system based on phylogeny
none of these
Tube feet are the locomotory organs found in
Protozoans
Arthropods
Echinodermata
Molluscs
Aphrodite, commonly called as sea mouse is a/an
annelide
fish
mollusc
arthropod
Exclusively marine animals are found in group
Fishes and Echinodermata
Coelentrata and Echinodermata
Porifera and Coelentrata
Echinodermata and Protochordata
Which of the following shows deuteros- I tome condition ?
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
In flat worms, annelids, mollusca and arthropods the mouth develops from blastopore, such animals should be called J
protostomes
deuterostomes
cyclostomes
blastostomes
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
Platyhelminthes are called
flat worms
roundworms
tapeworms
blind worms
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
Which of the group has no member having gliding or flying appendages ?
Cydostomata
Fishes
Reptiles
Mammals
Which of the following has no segmentation ?
Hydra
Earthworm
Cockroach
Centipede
Which of the sponge is given as a gift in Japan?
Hyalonema
Euplectalla
Tethya
Leucosolenia