MediumZoologyAnimal Kingdom
+4 / -1
Air bladder which regulates buoyancy is found in:
A
Chondrichthyes
B
Osteichthyes
C
Cyclostomata
D
Amphibia
Explanation
Bony fishes possess an air bladder; cartilaginous fishes must swim constantly to avoid sinking.
More from Animal Kingdom
Medium
The presence of a mid-ventral heart is a character of:
HardMatch the Following: (a) Limbless reptile (b) Jawless vertebrate (c) Limbless amphibian (d) Flightle
MediumPoikilotherms are animals that:
MediumWhich of the following is a flightless bird?
MediumMammals are viviparous (give birth to young) except:
MediumWhich of the following is a characteristic feature of mammals?
Practice Zoology Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams