Pavo cristatus
Gallus gallus
Columbia livia
None of these
A. Pavo cristatus
three toes
four toes
five toes
any of these
Pavo cristatus
Gallus gallus
Columbia livia
None of these
instinct
instinct and intuition
instinct and intelligence
both and
Crow
Koel
Peacock
Ostrich
Serpentology
Entomology
Ornithology
Dendrology
syrinx
larynx
synsacrum
synzygy
Dr. Salim Ali
Dr.MS.Mani
Dr.J.C.Bose
Dr. Jogendra
a type of air sacs related to ventilation
a fork shaped structure fused and formed by clavicles
a strucutre present in trachea for producing sound
none of these
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
synsacrum
sternum
pygostyle
thoracic mass
Tail only
Wings only
both and
beneath the contour feathers.
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
ostrich
albatros
penguin
elephant bird
perching type
wading type
raptorial type
running type
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
csursorial
perching
wading
raptorial
calcareous
soft and solid
strong and solid
pneumatic
swan
falcon
penguin
eagle
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
Heart is four-chambered consisting of the auricles and two ventricles
Hind-limbs are modified as wings
Mouth is replaced by beak
Aves are warm blooded
finch
humming bird
weaver bird
shrew
larynx
syrinx
synsacrum
pygostyle
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these
Quill
Filoplume
Down feather
All of these
Albatros
Hummingbird
Elephant bird
Penguin
two occipital condyles
one occipital condyle
many occipital condyles
any of these
a mammal
a reptile
abrid
none of these
ectoderm
mesoderm
endoderm
skin
grain-eating birds
meat-eating birds
fruit-eating birds
insect-eating birds