NEET Biology Skin And Its Derivatives Multiple Questions And Answers
Question 1. The body of the frog is covered by skin. It is held:
- Tightly throughout
- Loosely throughout
- Tightly and loosely depending on the requirement
- None of the above.
Answer: 2. Loosely throughout
Question 2. The outermost layer of the skin of a frog is:
- Keratinized and dead
- Non-keratinized and living
- Keratinized and living
- Non-keratinized and dead.
Answer: 1. Keratinized and dead
Question 3. Frog casts off the skin:
- During disease condition
- Only when the frog is agitated
- Sometimes only
- Usually throughout life at regular intervals
Answer: 4. Usually throughout life at regular intervals
Question 4. The Epidermis of the skin of a frog is:
- Non-vascular and non-nervous
- Non-vascular and nervous
- Vascular and nervous
- Vascular and non-nervous.
Answer: 2. Non-vascular and nervous
Skin And Its Derivatives NEET MCQs
Question 5. Which layer of the epidermis is endocrine?
- Stratum Malpighi
- Stratum corneum
- Stratum lucidum
- Stratum granulosum.
Answer: 1. Stratum Malpighi
Question 6. The layer of columnar cells in the epidermis is:
- Stratum corneum
- Stratum Malpighi
- Stratum lucidum
- Stratum granulosum.
Answer: 2. Stratum Malpighi
Question 7. Chromatophores of frogs contain:
- Black and yellow pigments
- Yellow and green pigments
- Red and green pigments
- Black and green pigments.
Answer: 1. Black and yellow pigments
Question 8. The gland cells that secrete the slimy fluid in frogs are seen in:
- Stratum compactum
- Stratum spongiosum
- Stratum corneum
- Malpighian layer.
Answer: 1. Stratum compactum
Question 9. The skin functions as an excretory organ by removing waste products by way of secreting:
- Sweat
- Oil
- Water
- Salts.
Answer: 1. Sweat
Question 10. Parotid glands that are situated behind the head of Bufo are the modification of:
- Poison gland
- Ceruminous gland
- Salivary gland
- Mucous gland.
Answer: 1. Poison gland
Integumentary System MCQs For NEET
Question 11. Glands found in the skin of frogs are:
- Sweat and sebaceous
- Mucous and sebaceous
- Sweat and mucous
- Mucous and poison.
Answer: 4. Mucous and poisonous.
Question 12. Stratum Malpighi is composed of cells that are columnar and actively dividing:
- During breeding season
- Only for a fixed period
- Throughout the life
- Embryonic stage.
Answer: 3. Throughout the life
Question 13. The integument is usually called “Jack of all trades” because of it:
- Performs varied functions
- Only regulates the body temperature
- Protects the body
- Gives shape to various structures of the body.
Answer: 1. Performs varied functions
Question 14. The cells ofstratum corneum in frog:
- Are most active cells
- Form layer that cornify extremities
- Form transparent layer
- Are shed periodically.
Answer: 2. Form a layer that cornifies extremities
Question 15. Conjunctiva is formed of:
- Dennis
- Epiderrnis
- Stratum compactum
- Stratum lucidurn.
Answer: 2. Epiderrnis
Question 16. Colour of skin in amphibia is due to:
- Corium
- Keratin
- Melanophores
- Chromatophores.
Answer: 4. Chromatophores.
Question 17. Chemically keratin is:
- Scleroprotein
- Mucoprotein
- Albuminoid
- Bony.
Answer: 1. Scleroprotein
Structure And Function of Skin NEET
Question 18. A thin membrane cast off by the frog is composed of:
- Squamous epithelium
- Ciliated epithelium
- Columnar epithelium
- Cuboidal epithelium.
Answer: 4. Cuboidal epithelium.
Question 19. The skin of the frog is characterized by the absence of:
- Scales
- Epidermis
- Mucous glands
- Chromatophores.
Answer: 1. Scales
Question 20. Colouration in frogs is due to:
- Iridescence of skin
- Presence of melanophores
- Growth of algal colonies on the skin
- Presence of special chromatophores below the epidermal cells.
Answer: 2. Presence of melanophores
Question 21. Homy substance excreted by the skin is:
- Wax
- Keratin
- Wax
- Lignin and mucin.
Answer: 2. Keratin
Question 22. Mucous glands help the frog to get:
- Moistened skin
- Thick skin
- Dark skin
- Light skin.
Answer: 1. Moistened skin
Question 23. The function of the integument is:
- Protection
- To regulate body temperature
- To check the entry of microbes
- All of the above.
Answer: 4. All of the above.
Question 24. Seburn oil in our skin is secreted by:
- Sweat gland
- Mucous gland
- Sebaceous gland
- All of the above.
Answer: 3. sebaceous gland
Question 25. The epidermal layer consisting of dividing cells is:
- Stratum lucidum
- Stratum granulosum
- Stratum germinativum
- Stratum corneum.
Answer: 3. Stratum germinativum
Human Skin And Its Derivatives MCQs NEET
Question 26. The glands of the skin develop from:
- Dermis
- Epidermis
- Stratum Malpighi
- None of these.
Answer: 2. Epidermis
Question 27. The fibres which make the skin elastic are:
- Yellow fibres
- Collagen fibres
- Smooth muscle fibres
- Striated muscle fibres.
Answer: 1. Yellow fibres
Question 28. The skin of a frog receives impure or deoxygenated blood from:
- Cutaneous vein
- Cutaneous artery
- Pulmonary artery
- Pulmonary vein.
Answer: 2. Cutaneous artery
Question 29. If the stratum corneum (dead layer) is supposed to be living what will be the effect?
- No sweat will ooze out
- Bacteria will be killed
- Bacteria will propagate
- No effect.
Answer: 3. Bacteria will propagate
Question 30. The epidermis of man and frog have in common:
- Stratum corneum
- Stratum germinativum
- Mucous glands
- Both (1) and (2)
Answer: 4. Both (1) and (2)
Question 31. The mammalian epidermis in sequence is from the exterior:
- Stratum corneum, stratum spinosum, stratum iucidum
- Stratum germinativurn, stratum corneum
- Stratum germinativum, stratum comeum. Stratum spinosum
- Stratum corneum, stratum spinosum, stratum germinativum.
Answer: 1. Stratum corneum, stratum spinosum, stratum lucid
Question 32. The skin of which of these classes of animals shows the least number and types of cutaneous glands?
- Mammals
- Birds
- Amphibians
- Reptiles.
Answer: 4. Reptiles.
Skin And Glands MCQs For NEET
Question 33. Skin plays an important role in osmoregulation in frogs by:
- Active outflow of water
- The osmotic inflow of water
- Active uptake of salts
- Passive inward diffusion of salts.
Answer: 2. Osmotic inflow of water
Question 34. Preen glands in the skin are a unique feature of the class:
- Mammals
- Pisces
- Amphibia
- Aves.
Answer: 4. Aves.
Layers Of Skin And Functions NEET
Question 35. Vibrissae are associated with the function of:
- Thermoregulation
- Gustation
- Tactile perception
- Reproduction.
Answer: 3. Tactile perception
Question 36. Meissner’s corpuscles are found in:
- Skin
- Tongue
- Brain
- Nerve cells.
Answer: 1. Skin
Question 37. Skin becomes oily by the secretion of:
- Sudoriferous glands
- Sebaceous glands
- Sweat gland
- Ceruminous gland.
Answer: 2. Sebaceous glands