Birds and bats are good fliers. The bat differs from a bird in having
diaphragm
four-chambered heart
wings
small brain
Correct Answer :
A. diaphragm
Related Questions
Hair of bat and feathers of pigeon are
homologous structures
analogous structures
both (a) and (b
integumentary derivatives
Which of the following pairs of specific names belongs to the same genus
histolytica and proteus
histolytica and coli
histolytica and falciparum
histolytica and rocktertil
Typhlop is a
true snake
blind worm
false snake
true worm
In fishes, lobed fins are found in
marine fishes
fresh water fishes
lung fishes
none of these
Which one is characteristic for birds ?
They are flying animals
They are warm blooded
They are bipedal and have feathers
They are quadruped and have scales
A cuttle fish belongs to
teleostei
mollusca
pisces
echinodermata
Which of the following is not correctly matched ?
Flame CellsPlatyhelminthes
Metametric segmentationMollusca
Gill-slitChordata
Stininging cellsCoelenterata
The main basis of classification of Protozaoa is
number of nuclei
shape of the organisms
method of reproduction
locomotary device
A pearl oyster belongs to class
mollusca
bivalvia
scaphopoda
gastropoda
Which one of the following sets of animals belongs to class cydostomata
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus
The centipede has
100 legs
50-100 legs
As many legs as body segments
As many pairs of legs as body segments
Vertebrates possess
well developed body cavity with alimentary canal
dorsal tubular nerve cord
ventrally situated heart
all of these
Sepia is also known as
star fish
cartilagenous fish
jellyfish
cuttlefish
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
A reptile with a four-chambered heart is
python
chameleon
turtle
crocodile
Archaeopteryx called a connecting link, carried the characters, of
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
Which of the following belongs to the same phylum ?
Mollusca, cockroach, centipede
Turbellaria, cestoda, trematoda
Both (a) and (b)
None of these
The basic unit of taxonomy is
genus
order
class
species
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
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
The term 'Protista' was given by
Carolus Linnaeus
E. Haeckel
G.L. Cuvier
John Ray
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
An insect differs from a spider in the following ways :
Insect has 6 pairs of legs and one pair of wings while spider has 4 pairs of legs and no wings
Insect has 4 pair of legs and two pairs of wings while spider has 3 pairs of legs and no wings
Insect has 3 pairs of legs and two pairs of wings and spider has 4 pairs of legs and no wings
Insect has 3 pairs of legs and generally no wings while spider has 5 pairs of legs and generally one pair of wings
The animals which are found in the soil, can fly, found on land and in water belong to the phylum
Protozoa
Parazoa
Annelida
Arthropoda
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 matching set in taxonomy ?
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Which of the following has a diaphragm between the thorax and abdomen
Frog
Lizard
Pigeon
Whale
True fishes possess gills and fins. Which of the following is not a true fish ?
Silver fish
Goldfish
Silver carp
Seahorse
Platyhelminthes are called
flat worms
roundworms
tapeworms
blind worms
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