Presence of mucous over the skin of frog is an adaptation for:
A.Buccal respiration
B.Cutaneous respiration
C.Pulmonary respiration
D.None of these
A.Buccal respiration
B.Cutaneous respiration
C.Pulmonary respiration
D.None of these
A.Osmoregulation
B.Rendering skin water proof
C.Removal of excess salt from body
D.Regulation of body temperature
A.Producing constant heat energy for physiologiical functions
B.Keeping body temperature constant under fluctuating environmental temperature
C.Allowing increase in evaporation at body surface
D.Speeding anabolic rate
A.Apocrine swet glands
B.Modified sebaceous glands
C.Ecrine sweat glands
D.None of these
A.Epidermis
B.Dermis
C.Both of these
D.None of these
A.Whale, pigeon, bat
B.Crocodile, alligator, turtle
C.Dog-fish, cat-fish, sea-horse
D.Frog, toad, salamander
A.Dialation of blood vessels of skin
B.Constriction of blood vessels of skin
C.No change in the blood vessels of skin
D.Decreased flow of blood without any change in blood vessles
A.Classified
B.Used in classification of animals
C.Diseased
D.Preserved with the help of chemicals
A.Epidermis is treated with salts of heavy metals
B.Dermis is treated with salts of heavy metals
C.Both are treated with salts of heavy metals
D.None of them are treated with salts of heavy metals
A.Skin in frog is protective
B.Skin in frog is thermoregulatory
C.Skin in frog is respiratory
D.Skin in frog is sensory