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
Correct Answer :
D. make the skin and hair water proof
Related Questions
Sweat glands in mammals are primarily concerned with
Regulation of water content
Removal of excess salts
Killing of bacteria
Regulation of body heat
Skin of frog is characterized by the ab- I sence of
scales
epidermis I
mucous glands
chromatophores
Scales in sharks are
placoid
rhomboid
cycloid
ctenoid
Sebaceous glands are present in
skin in the epidermis
skin in the dermis
stomach in its epithelium
intestine in the epithelium
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
Glands of Zeis are associated with the eye lashes. These are modified
sebaceous glands
sweat glands
mucous glands
sudorific gland
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
Structures present in the skin of frog and absent in skin of rabbit are
mucous glands
sebaceous glands
hairs
nails
Nails, hoofs and horns are formed by
cuticle
keratin
chitin
none of these
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
In the skin collagen and elastic fibres are abundant in the
subcutaneous layer
epidermis
glands
stratum corneum
Perspiration is a process, essentially meant for
the removal of excess water
excreting excess salts
excreting nitrogenous wastes
cooling
The modification of the skin at the terminal part of the dorsal surface of phalanges result in formation of
wrinkles
hair
feathers
nails
The layer of cells in the skin which is periodically cast off is
stratum lucidum
stratum corneum
stratum granulosum
malpighian layer
Parotid glands are
poisonous glands found in frog
mucous glands found in frpg
poisonous glands found in ft ad
tear glands found in rabbit
In the mammalian skin, the adipose tissue is found
in the epidermis
in the dermis
in the muscles
below the derm
The corium of dermis is a derivative of
parietal mesoderm
ectoderm
endoderm
both (b) and (c)
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
The keratin of the integument is
mucoprotein
bony substance
cartilage
selenoprotein
Leather from the mammalian skin is derived from
epidermis
dermis
subdermal tissue
whole of the skin
The integument of rabbit differs from that of frog in
possessing stratum comeum for protection against wear and tear
not possessing subcutaneous fat
possessing mucous glands for producing mucus.
possessing sebaceous glands which produce sebum for keeping skin greasy and water-proof.
Ceruminous or wase glands are seen in
eyes of mammals
olfactory passage of mammals
external auditory meatus in mammals
none of these
The skin functions as a storage organ because the deeper layers of dermis store
water and fat
proteins
carbohydrates
all of these
Colour in skin of frog is due to
melanin
melanophores
porphyrin
chromatophores
Malpighian layer of the skin is a part of
dermis
epidermis
sub cutaneous fat
hair follicle
The skin of frog is attached to the under lying body muscles loosely leaving many
air spaces for respiration
blood spaces
lymph spaces
mucus filled spaces
The skin in man is thickest at
palm
sole
head
thumb
In frog, the mucous and poisonous glands are found in
stratum comeum
stratum spongiosum
stratum compactum
any of these
The sebaceous glands of skin are as- I sociated with the
hairs
stratum granulosum
lymph vessels
nerve fibres
Sweat glands are confined to external ears in
hare
rabbit
whale
hippopotamus