Skin of frog is characterized by the absence of:
A.Scales
B.Muscous glands
C.Chromatophores
D.None of these
Category: Integumentary System Mcqs
Mclanin is present generally in which of the following strate of mammalian epidermis:
A.Stratum corneum
B.Stratum malpighi
C.Stratum lucidum
D.None of these
Whale is warm-blooded animal but survives in cold seas. The main device for keeping the animal warm in thick:
A.Blubber
B.Pelage
C.Muscles
D.Bllod vessels
Olive green colour of skin of frog is due to:
A.Xanthophores only
B.Melanophores only
C.Guanophores only
D.Due to combined effect of all of these
Temperature regulation in animals involves:
A.Increase in temperature according to environment temperature
B.Decrease in body temperature according to environmental temperature
C.Increase or decrease in body temperature with rise or fall in environmental temperature
D.Maintenance of a constant body temperature in all conditions
In frog the dermis is differentiated into:
A.Stratum spongiosum
B.Stratum compactum
C.Both (a) & (b)
D.Stratum lucidum and stratum granulosum
Sebaceous glands occur in rabbits in:
A.Skin dermis
B.Skin epidermis
C.Gastric epithelium
D.Intestinal epithelium
Thermoregulatory centre in mammals is located in:
A.Pituitary body
B.Skin
C.Hypothalamus
D.diencephalon
Which of the following helps in keeping warm:
A.Fatty layer of skin
B.Khairs on skin
C.Pigment in skin
D.Rsih blood supply in skin
Difference in colouration of dorsal and ventral surfaces of skin of frog is helpful in:
A.Protection from enemies on land
B.Protection from enemies in water
C.Both of these
D.None of these
