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
B. a fork shaped structure fused and formed by clavicles
day light effecting the endocrine glands
search for food
search for shelter
purpose of breeding
perching type
wading type
raptorial type
running type
grain-eating birds
meat-eating birds
fruit-eating birds
insect-eating birds
synsacrum
sternum
pygostyle
thoracic mass
instinct
instinct and intuition
instinct and intelligence
both and
Asia
Africa
America
Antarctica
ectoderm
mesoderm
endoderm
skin
sharp massive, deeply hooked
stout and acute
chisel sfiaped
long, strong and pointed
fly for long distance
protect against ectoparasites
exhibit secondary sexual dimorphism
keep the body warm
a flightless bird
first digit of hindlimb
a type of corn
none of these
Parrot
Owl
Pigeon
Sunbird
Kiwi
Ostrich
Penguin
All of these
bill
pecten
keel
filoplume
Bernhard Katz
Alick Isacs
Charles Darwin
Andreas Wagner
Tail only
Wings only
both and
beneath the contour feathers.
larynx
syrinx
synsacrum
pygostyle
Pavo cristatus
Gallus gallus
Columbia livia
None of these
a mammal
a reptile
abrid
none of these
Ostrich
Penguin
Emu
Albatros
two occipital condyles
one occipital condyle
many occipital condyles
any of these
aerial life
amphibious life
terrestrial life
aquatic life
amphi-coelous
hetero-coelous
gastro-coelous
platy-coelous
Dr. Salim Ali
Dr.MS.Mani
Dr.J.C.Bose
Dr. Jogendra
crow, sun-bird, flower pecker
myna, peacock, parrot
weaver bird, sun-bird, flower pecker
all of these
New Zealand
India
Japan
Australia
Albatros
Hummingbird
Elephant bird
Penguin
monocondylic
dicondylic
amphicondylie
none of these
csursorial
perching
wading
raptorial
mammals
reptiles
aves
lizards
Pectoralis major
Pectoralis minor
Intrinsic muscle
None of these