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4

Sebaceous glands are found in

A. epidermis of skin of mammals

B. dermis of skin of mammals

C. epithelium of stomach of frog

D. epithelium of intestine of frog

Correct Answer :

B. dermis of skin of mammals


Related Questions

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Sweat glands in mammals are primarily concerned with

A. Regulation of water content

B. Removal of excess salts

C. Killing of bacteria

D. Regulation of body heat

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4

Hair originates from

A. epidermis

B. dermis

C. subcutaneous layer

D. skin glands

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Mammals lack mucous glands in the skin because

A. the skin is soft

B. the skin is not respiratory

C. the skin has sebaceous glands

D. the skin has hairs

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4

The skin in man is thickest at

A. palm

B. sole

C. head

D. thumb

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The hair of a mammal is a structure which is

A. epidermal

B. mesodermal

C. dermal

D. endodermal

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In the skin collagen and elastic fibres are abundant in the

A. subcutaneous layer

B. epidermis

C. glands

D. stratum corneum

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Mammary glands are modified......in mammals

A. sweat glands

B. mucous glands

C. sebaceous glands

D. meibomian glands

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The part of the hair, in which the hair I shaft is lodged, is called as

A. root

B. follicle

C. papilla

D. bulb

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Perspiration is a process, essentially meant for

A. the removal of excess water

B. excreting excess salts

C. excreting nitrogenous wastes

D. cooling

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The sweat glands in hares and rabbits are seen in

A. tips of pinnae

B. area around the lips

C. soles of the paw

D. all of these

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4

Parotid glands are

A. poisonous glands found in frog

B. mucous glands found in frpg

C. poisonous glands found in ft ad

D. tear glands found in rabbit

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In frog, the mucous and poisonous glands are found in

A. stratum comeum

B. stratum spongiosum

C. stratum compactum

D. any of these

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Nails, hoofs and horns are formed by

A. cuticle

B. keratin

C. chitin

D. none of these

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Scales in sharks are

A. placoid

B. rhomboid

C. cycloid

D. ctenoid

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Wrinkling of skin in old age is due to

A. gradual loss of elasticity in the subcutaneous layer

B. gradual loss of adipose tissue below dermis

C. poor supply of blood to skin

D. excess loss of water from skin

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Ceruminous or wase glands are seen in

A. eyes of mammals

B. olfactory passage of mammals

C. external auditory meatus in mammals

D. none of these

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4

The modification of the skin at the terminal part of the dorsal surface of phalanges result in formation of

A. wrinkles

B. hair

C. feathers

D. nails

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A type of skin gland which is well developed and functional in females, but non-functional and vestigeal in the male is

A. sweat gland

B. sebaceous gland

C. mammary gland

D. gastric gland

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The skin of frog is attached to the under lying body muscles loosely leaving many

A. air spaces for respiration

B. blood spaces

C. lymph spaces

D. mucus filled spaces

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The layer of cells in the skin which is periodically cast off is

A. stratum lucidum

B. stratum corneum

C. stratum granulosum

D. malpighian layer

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Glands of Zeis are associated with the eye lashes. These are modified

A. sebaceous glands

B. sweat glands

C. mucous glands

D. sudorific gland

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The function of sebaceous glands in mammals is to

A. plug the skin pores

B. nourish the hair follicles

C. cool the skin by vaporisation

D. make the skin and hair water proof

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The cells of the stratum lucidum of the skin become hard and the horny layer of cells thus formed become

A. stratum granulosum

B. stratum comeum

C. dermis

D. malpighian layer

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Colouration of frog is due to

A. presence of melanophores

B. growth of algal colonies of skin

C. inidescence of skin

D. presence of special chromatophores below the epidermal cells.

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4

Sebaceous glands are found in

A. epidermis of skin of mammals

B. dermis of skin of mammals

C. epithelium of stomach of frog

D. epithelium of intestine of frog

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Malpighian layer of the skin is a part of

A. dermis

B. epidermis

C. sub cutaneous fat

D. hair follicle

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Prevention of evaporation of water from the skin surface in humans is due to

A. presence of sweat glands

B. stratum coreum

C. stratum lucidum

D. thick subcutaneous fat

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The sudoriferous glands of the skin secrete

A. hormones

B. water and salt

C. oil

D. sebum

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The corium of dermis is a derivative of

A. parietal mesoderm

B. ectoderm

C. endoderm

D. both (b) and (c)

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The keratin of the integument is

A. mucoprotein

B. bony substance

C. cartilage

D. selenoprotein