Birds are characterised by the presence of
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
Correct Answer :
D. bipedal locomotion and body covered with feathers
Related Questions
Feathers of birds originate from embryonic
ectoderm
mesoderm
endoderm
skin
The vertebrae of birds are
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
The fastest bird that runs on land is
peacock
emu
penguin
ostrich
National bird of India is
parrot
peacock
kiwi
pigeon
Penguin is found only in
Asia
Africa
America
Antarctica
Which bird is a nest parasite
Crow
Koel
Peacock
Ostrich
The pneumatic bones are characteristic of
mammals
reptiles
aves
lizards
The whitish part of excreta of birds is
faecal matter
nitrogenous wastes
excess salt
both and
Which bird had teeth
Ostrich
Emu
Archaeopteryx
Pelican
The power of young birds to return to their parents is
instinct
instinct and intuition
instinct and intelligence
both and
Kiwi is the national bird of
New Zealand
India
Japan
Australia
Which bird can fly backwards
Albatros
Hummingbird
Elephant bird
Penguin
Which bird sucks nectar
Parrot
Owl
Pigeon
Sunbird
In grainivorous birds, the beak is
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
Skull of birds has
two occipital condyles
one occipital condyle
many occipital condyles
any of these
A pigeon in the absence of down feathers will not be able to
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
Pendent nests are built by
crow, sun-bird, flower pecker
myna, peacock, parrot
weaver bird, sun-bird, flower pecker
all of these
The scientific name of peacock is
Pavo cristatus
Gallus gallus
Columbia livia
None of these
A bat is
a mammal
a reptile
abrid
none of these
Which one of the brids is viviparous
Ostrich
Penguin
Emu
Albatros
A bony projection of the sternum of birds to which the powerful pectoral muscles are attached for flight is
bill
pecten
keel
filoplume
An ornithologist, known as "Bird man of India" was
Dr. Salim Ali
Dr.MS.Mani
Dr.J.C.Bose
Dr. Jogendra
Which large, powerful muscles depress the wings
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
Hind feet of most modem birds have
three toes
four toes
five toes
any of these
Syrinx in birds is situated in
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
The migration in birds is initiated by
day light effecting the endocrine glands
search for food
search for shelter
purpose of breeding
The largest living bird is
ostrich
albatros
penguin
elephant bird
The fused sacral vertebrae supporting the pelvlic girdle of a bird is called
syrinx
larynx
synsacrum
synzygy
The type of feet in a vulture is
csursorial
perching
wading
raptorial
The scientific study of birds is called
Serpentology
Entomology
Ornithology
Dendrology