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4

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

A. sweat glands

B. mucous glands

C. sebaceous glands

D. meibomian glands

Correct Answer :

A. sweat glands


Related Questions

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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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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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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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4

Sweat glands are confined to external ears in

A. hare

B. rabbit

C. whale

D. hippopotamus

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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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Sebaceous glands are present in

A. skin in the epidermis

B. skin in the dermis

C. stomach in its epithelium

D. intestine in the epithelium

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In the mammalian skin, the adipose tissue is found

A. in the epidermis

B. in the dermis

C. in the muscles

D. below the derm

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4

Scales in sharks are

A. placoid

B. rhomboid

C. cycloid

D. ctenoid

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4

Colour in skin of frog is due to

A. melanin

B. melanophores

C. porphyrin

D. chromatophores

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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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4

Nails, hoofs and horns are formed by

A. cuticle

B. keratin

C. chitin

D. none of these

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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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4

The keratin of the integument is

A. mucoprotein

B. bony substance

C. cartilage

D. selenoprotein

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Structures present in the skin of frog and absent in skin of rabbit are

A. mucous glands

B. sebaceous glands

C. hairs

D. nails

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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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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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Malpighian layer of the skin is a part of

A. dermis

B. epidermis

C. sub cutaneous fat

D. hair follicle

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The sebaceous glands of skin are as- I sociated with the

A. hairs

B. stratum granulosum

C. lymph vessels

D. nerve fibres

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Modified sebaceous glands around eyes in rabbit are

A. Lacrimal glands

B. Meibomian glands

C. Sudorific glands

D. Cowper's glands

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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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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

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

A. sweat glands

B. mucous glands

C. sebaceous glands

D. meibomian glands

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4

Skin of frog is characterized by the ab- I sence of

A. scales

B. epidermis I

C. mucous glands

D. chromatophores

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4

Lacrymal glands are responsible for the secretion of

A. mucus

B. tears

C. hormones

D. enzymes

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Large sweat glands are characteristic of >

A. glans

B. scrotum

C. pinna

D. areola mammary

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4

Hair originates from

A. epidermis

B. dermis

C. subcutaneous layer

D. skin glands

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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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4

If a cat is deprived of vibrissae, stiff long hair on the snout

A. it can run fast

B. it can not run at all

C. it can run freely

D. nothing will happen

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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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The skin in man is thickest at

A. palm

B. sole

C. head

D. thumb