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
Correct Answer :
A. homologous
Related Questions
Tortoises and turtles are included under order
Reptilia
Squamata
Chelonia
None of these
Which of the following is homiother-mous ?
Lizard
Frog
Rabbit
Cuttlefish
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Flame cells, parenchyma and a pair of longitudinal nerve cords are found in
Taenia
Peripatus
Ascaris
Musca
Which of the following sets belongs to the same class ?
Hydra, jelly fish, cray fish
Bat, pigeon, whale
Spider, scorpion, centipede
Whale, otter, kangaroo
All mammals have hair, but these are absent in order
Cetacea
Primates
Rodentia
Chiroptera
Which is matching set in taxonomy ?
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Spider is not included under class insects because of
absence of walking legs
absence of mandibles
absence of wings
presence of walking legs
Which one is a cold blooded animal
Penguin
Whale
Otter
Tortoise
The generic name of apple snail is
Limax
Pila
Sepia
Murex
Physalia, the "Portugese man of War" belongs to class
Coelenterata
Hydrozoa
Scyphozoa
Anthozoa
In which of the following sets, groups are not correctly matched ?
Onychophora, Myriapoda, Arachnida
Hydrozoa, Scyphozoa, Anthozoa
Polychaeta, Hirudiniea, Oligochaeta
Gastropoda, Rhizopoda, Scaphopoda
Which of the following is a matching set of groups in animal classification ?
Annelida, Porifera and Mammals as phyla
Hydrozoa, Mollusca and chordata as phyla
Protozoa, Reptilia and Mammalia as classes
Insecta, Cephalopoda and Aves as classes
Match the species :
Scorpion, Spider
Scorpion, Obelia, Hydra
Star fish, Obelia, Hydra
Cockroach, Earthworm, Taenia solium
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
Which of the following belongs to Mollusca ?
Starfish
Dogfish
Silver fish
Goldfish
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
Presence of a vestigeal appendix in man suggests that our forebears were
herbivores
carnivores
omnivores
fruit eaters
Tube feet are the locomotory organs found in
Protozoans
Arthropods
Echinodermata
Molluscs
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
Archaeopteryx called a connecting link, carried the characters, of
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
Biramous appendages are typically found in
insects
crustaceans
annelids
arachnids
Coelentrates generally include the animals which are
radial symmetrical and triploblastic
radial symmetrical and diploblastic
bilateral symmetrical and triploblastic
biradial symmetrical and diploblastic
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
Pharyngeal gill slits are found in
flying fish
silver fish
crayfish
cuttlefish
Antedon belongs to class
echinodermata
ophiuroidea
crinoidea
echinoidea
These species inhabiting different geographical areas are
allopatric
sibling species
morphospecies
sympatric
Sea Stick refers to group
porifera
coelentrata
annelida
mollusca
Sea horse is a
fish
mammal
bird
none of these
In title classification of animals a 'family' name is formed by adding
idae as a suffix to the name of the type genus
inae as a suffix
ceae as a suffix
oidea as a suffix