Colouration in frog and other amphibians is due to:
A.Chromatophores
B.Irridescence of skin
C.Presence of pigment in epidermal cells
D.None of these
Category: Integumentary System Mcqs
Shivering and clattering of teeth in extreme cold are concerned with:
A.Dialation of blood vessels
B.Constriction of blood vessels
C.More perspiration
D.Production of heat
Exoskeleton in frog consists of:
A.Hairs
B.Scales
C.Both of these
D.None of these
When a bird is transferred from 30?C to 10?C, its body temperature:
A.Is maintained at original level due to increased dissipation of heat
B.Is maintained at original constant level due to increased conservation and production of heat
C.Rises above normal level due to increased production and conservation of heat
D.Declines due to increased dissipation of heat
Exoskeleton or rabit consists of:
A.Hairs only
B.Hairs and claws
C.Hairs, claws and hoofs
D.Hairs, horns and hoofs
Which of the following strata in the epidermis of rabbit has eleidin in the cell:
A.Stratum comeum
B.Stratum spinosum
C.Stratum granulosum
D.Stratum ludidum
Elephant is inhabitant of hot climate. This is suggested by:
A.Its huge size
B.Almost hairless skin
C.Fleshy feet
D.Small eyes
Subcutaneous fat in mammals primarily serves to:
A.Provide a reserve store
B.Provide thermal insulation against cold
C.Act as a cushion against shocks
D.Provide contour to the body
