Colouration of frog is due to
presence of melanophores
growth of algal colonies of skin
inidescence of skin
presence of special chromatophores below the epidermal cells.
Correct Answer :
D. presence of special chromatophores below the epidermal cells.
Related Questions
Glands of Zeis are associated with the eye lashes. These are modified
sebaceous glands
sweat glands
mucous glands
sudorific gland
Hair originates from
epidermis
dermis
subcutaneous layer
skin glands
Wrinkling of skin in old age is due to
gradual loss of elasticity in the subcutaneous layer
gradual loss of adipose tissue below dermis
poor supply of blood to skin
excess loss of water from skin
Colour in skin of frog is due to
melanin
melanophores
porphyrin
chromatophores
The sweat glands in hares and rabbits are seen in
tips of pinnae
area around the lips
soles of the paw
all of these
In frog, the mucous and poisonous glands are found in
stratum comeum
stratum spongiosum
stratum compactum
any of these
The layer of cells in the skin which is periodically cast off is
stratum lucidum
stratum corneum
stratum granulosum
malpighian layer
Lacrymal glands are responsible for the secretion of
mucus
tears
hormones
enzymes
Large sweat glands are characteristic of >
glans
scrotum
pinna
areola mammary
Sebaceous glands are present in
skin in the epidermis
skin in the dermis
stomach in its epithelium
intestine in the epithelium
The modification of the skin at the terminal part of the dorsal surface of phalanges result in formation of
wrinkles
hair
feathers
nails
Mammals lack mucous glands in the skin because
the skin is soft
the skin is not respiratory
the skin has sebaceous glands
the skin has hairs
Parotid glands are
poisonous glands found in frog
mucous glands found in frpg
poisonous glands found in ft ad
tear glands found in rabbit
Sebaceous glands are found in
epidermis of skin of mammals
dermis of skin of mammals
epithelium of stomach of frog
epithelium of intestine of frog
Structures present in the skin of frog and absent in skin of rabbit are
mucous glands
sebaceous glands
hairs
nails
The sudoriferous glands of the skin secrete
hormones
water and salt
oil
sebum
The sebaceous glands of skin are as- I sociated with the
hairs
stratum granulosum
lymph vessels
nerve fibres
The cells of the stratum lucidum of the skin become hard and the horny layer of cells thus formed become
stratum granulosum
stratum comeum
dermis
malpighian layer
The keratin of the integument is
mucoprotein
bony substance
cartilage
selenoprotein
Scales in sharks are
placoid
rhomboid
cycloid
ctenoid
Sweat glands are confined to external ears in
hare
rabbit
whale
hippopotamus
If a cat is deprived of vibrissae, stiff long hair on the snout
it can run fast
it can not run at all
it can run freely
nothing will happen
The function of sebaceous glands in mammals is to
plug the skin pores
nourish the hair follicles
cool the skin by vaporisation
make the skin and hair water proof
In the skin collagen and elastic fibres are abundant in the
subcutaneous layer
epidermis
glands
stratum corneum
A type of skin gland which is well developed and functional in females, but non-functional and vestigeal in the male is
sweat gland
sebaceous gland
mammary gland
gastric gland
Prevention of evaporation of water from the skin surface in humans is due to
presence of sweat glands
stratum coreum
stratum lucidum
thick subcutaneous fat
The corium of dermis is a derivative of
parietal mesoderm
ectoderm
endoderm
both (b) and (c)
The skin in man is thickest at
palm
sole
head
thumb
The mucous and poisonous glands are found is the skin of frog. These are specially abundant
on the dorsal side
on the ventral side
on the snout
in the lateral dermal plicae
In the mammalian skin, the adipose tissue is found
in the epidermis
in the dermis
in the muscles
below the derm