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(a) lungs
(a) Aves
(b) presence of vertebral column
(c) pigeon
(d) respiration is not through lungs
(d) none
(a) presence of gills
(c) peacock
(d) feathers
(d) heavy bones are present to reduce the weight of the body and help in flying
Birds respire with
(a) lungs
(a) lungs
See lessFeathers and beaks are present in the animals of class:
(a) Aves
(a) Aves
See lessWhich of the following is not an aerial adaptation of a bird?
(b) presence of vertebral column
(b) presence of vertebral column
See lessPneumatic bones are found in
(c) pigeon
(c) pigeon
See lessThe class Aves have the following features except that their:
(d) respiration is not through lungs
(d) respiration is not through lungs
See lessThe number of teeth in the beak of birds are
(d) none
(d) none
See lessWhich of the following is not an aerial adaptation?
(a) presence of gills
(a) presence of gills
See lessHollow bones occur in:
(c) peacock
(c) peacock
See lessFeatures that help the bird to maintain constant body temperature:
(d) feathers
(d) feathers
See lessBirds are adapative to aerial mode of life. Which of the statement is not correct?
(d) heavy bones are present to reduce the weight of the body and help in flying
(d) heavy bones are present to reduce the weight of the body and help in flying
See less