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4

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

Correct Answer :

B. stratum comeum


Related Questions

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4

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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4

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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4

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

Colour in skin of frog is due to

A. melanin

B. melanophores

C. porphyrin

D. chromatophores

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4

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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4

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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4

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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4

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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4

The corium of dermis is a derivative of

A. parietal mesoderm

B. ectoderm

C. endoderm

D. both (b) and (c)

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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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4

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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4

The hair of a mammal is a structure which is

A. epidermal

B. mesodermal

C. dermal

D. endodermal

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4

The mucous and poisonous glands are found is the skin of frog. These are specially abundant

A. on the dorsal side

B. on the ventral side

C. on the snout

D. in the lateral dermal plicae

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4

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

Malpighian layer of the skin is a part of

A. dermis

B. epidermis

C. sub cutaneous fat

D. hair follicle

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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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4

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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4

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

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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4

Leather from the mammalian skin is derived from

A. epidermis

B. dermis

C. subdermal tissue

D. whole of the skin

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4

Large sweat glands are characteristic of >

A. glans

B. scrotum

C. pinna

D. areola mammary

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4

The keratin of the integument is

A. mucoprotein

B. bony substance

C. cartilage

D. selenoprotein

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4

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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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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4

Hair originates from

A. epidermis

B. dermis

C. subcutaneous layer

D. skin glands

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4

The skin in man is thickest at

A. palm

B. sole

C. head

D. thumb

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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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4

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

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

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

A. sebaceous glands

B. sweat glands

C. mucous glands

D. sudorific gland