Platyhelminthes are called
flat worms
roundworms
tapeworms
blind worms
Correct Answer :
A. flat worms
Related Questions
Insects possess
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
One of these is a metatherian mammal
Echidna
Kangaroo
Pangolin
Panda
One of the primary characters of chlor-date is
solid ventral nerve cord
dorsal tubular nerve cord
paired nerve cords
ganglionated nerve cord
Which is the common character between all mammals ?
They are viviparous
They are herbivores
They are carnivores
They have 7 cervical vertebrae
The centipede has
100 legs
50-100 legs
As many legs as body segments
As many pairs of legs as body segments
Ornithorhynchus is a
dinosaur
duck
fossil bird
monotreme mammal
Honey-bees belong to the phylum arthropoda and class
insecta
oligochaeta
arachnida
crustace
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
Hair of bat and feathers of pigeon are
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
A definite number of body segments is found in
leech
tapeworm
earthworm
slug
Tortoises and turtles are included under order
Reptilia
Squamata
Chelonia
None of these
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
Duck bill platypus is
primitive burrowing egg laying mammal
advanced egg laying reptile
primitive egg laying reptile
primitive aquatic egg laying animal
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
Biramous appendages are typically found in
insects
crustaceans
annelids
arachnids
Salamander belongs to class
Reptilia
Amphibia
Aves
Mammalia
Which of the following is a correct hierar-chial sequence in systematics ?
Species, genus, family, order, class, phylum
Species, genus, order, family, class, phylum
genus, species, order, family, class, phylum
genus, family, order, class, species, phylum
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
Tube in the tube' plan is exhibited by one of the following phyla :
Coelenterata
Porifera
Annelida
Arthropoda
Aside from a three chambered heart, reptiles are characterised by the presence of
limb girdles
dermal scales
lungs
dorsal nerve cord
True coelom appeared first in the course of evolution in
Echinodermata
Annelida
Chordata
Aschelminthes
Turbellarians are
parasitic flatworms
free living flatworms
parasitic tapeworms
free living tapeworms
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
Which of the following is not a correct taxonomic match ?
Platyhelminthessolenocytes
Molluscametamerism
Mammaliadiaphragm
Chordatadorsal tubular nerve cord
Most important characteristic of the mammal is the presence of
pinnae
four-chambered heart
movement on two limbs only
diaphragm
The correct phylogenetic sequence in taxonomy is
Pisces, Amphibia, Reptilia, Mammalia
Pisces, Reptilia, Amphibia, Mammalia
Amphibia, Pisces, Reptilia, Mammalia
Amphibia, Reptilia, Pisces, Mammalia
Snakes are not found in
India
U.K
USSR
West Indies
Which of the following is not a part of true body cavity ?
Pleural cavity
Pericardial cavity
Peritoneal cavity
The cavity inside the stomach and intestine
Which of the following is a species ?
Mammalia
Carnivora
Canidae
Catiisfamilaris
Which of the following groups of characters is present in all chordates in some or other stage in their life ?
Mammary glands, hairs, gill slits
Notochord, gill slits and dorsal ! tubular nervous system
Notochord, scales and dorsal tubular nervous system
Gill slits, vertebral column and notochoitl