ectoderm
mesoderm
endoderm
skin
A. ectoderm
parrot
peacock
kiwi
pigeon
synsacrum
sternum
pygostyle
thoracic mass
Pavo cristatus
Gallus gallus
Columbia livia
None of these
ostrich
albatros
penguin
elephant bird
monocondylic
dicondylic
amphicondylie
none of these
csursorial
perching
wading
raptorial
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
Kiwi
Ostrich
Penguin
All of these
syrinx
larynx
synsacrum
synzygy
middle of the trachea
at the base of trachea where it divides into bronchi
base of tongue
none of these
three toes
four toes
five toes
any of these
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
Serpentology
Entomology
Ornithology
Dendrology
Charles Darwin
Lamarck
Hippocrates
A. Muller
Ostrich
Emu
Archaeopteryx
Pelican
aerial life
amphibious life
terrestrial life
aquatic life
Asia
Africa
America
Antarctica
a flightless bird
first digit of hindlimb
a type of corn
none of these
ectoderm
mesoderm
endoderm
skin
sharp eyesight
keen smelling power
both and
sharp eyesight and poor smelling power
Quill
Filoplume
Down feather
All of these
crow, sun-bird, flower pecker
myna, peacock, parrot
weaver bird, sun-bird, flower pecker
all of these
two occipital condyles
one occipital condyle
many occipital condyles
any of these
swan
falcon
penguin
eagle
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
grain-eating birds
meat-eating birds
fruit-eating birds
insect-eating birds
bill
pecten
keel
filoplume
perching type
wading type
raptorial type
running type
homiothermic condition and viviparity
horny jaws and four-chambered heart
ossified skeleton and four-chambered heart
bipedal locomotion and body covered with feathers
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