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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

Correct Answer :

D. nails


Related Questions

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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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4

The integument of rabbit differs from that of frog in

A. possessing stratum comeum for protection against wear and tear

B. not possessing subcutaneous fat

C. possessing mucous glands for producing mucus.

D. possessing sebaceous glands which produce sebum for keeping skin greasy and water-proof.

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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

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

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

The sudoriferous glands of the skin secrete

A. hormones

B. water and salt

C. oil

D. sebum

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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

Hair originates from

A. epidermis

B. dermis

C. subcutaneous layer

D. skin glands

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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

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

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

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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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

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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

The hair of a mammal is a structure which is

A. epidermal

B. mesodermal

C. dermal

D. endodermal

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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

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4

Scales in sharks are

A. placoid

B. rhomboid

C. cycloid

D. ctenoid

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4

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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4

The skin in man is thickest at

A. palm

B. sole

C. head

D. thumb

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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

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

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

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

Sweat glands are confined to external ears in

A. hare

B. rabbit

C. whale

D. hippopotamus

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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

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

Nails, hoofs and horns are formed by

A. cuticle

B. keratin

C. chitin

D. none of these

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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

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

Colour in skin of frog is due to

A. melanin

B. melanophores

C. porphyrin

D. chromatophores