Structure of the Skin

Q. Give one example of each of the following:

(c) Mechanical barrier that prevents the entry of germs into the body.

Q.

The melanin pigment is present in ____________ layer of __________.

Q.

Differentiate between sweat glands and sebaceous glands.

Q.

In which layer of the skin are the cells dead and completely filled with keratin?

1. Stratum germinativum

2. Stratum spinosum

3. Stratum granulosum

4. Stratum corneum

Q.

Melanin is a horny protein.

1. True
2. False

Q. Lacrimal glands secrete lubricant for the eye aiding in movements of the eye.

1. True
2. False

Q.

Which tissue is present in the eye lid?

Q. What is the receptor for pressure called?

1. Pacinian corpuscles
2. Tactile receptors
3. Nociceptors
4. Thermoreceptors

Q.

Which of the following layers of the skin contains blood vessels?

1. Epidermis

2. Dermis

3. Stratum corneum

4. Both A & B

Q.

Sweat glands are also called__i__ and oil glands are also called__ii__

The information in which alternative completes the given statement.

1. 

2. 

3. 

4. 

Q. What are the two layers of skin proper?

1. Hair
2. Epidermis
3. Dermis
4. B&C
5. A&B

Q. Classify and describe epithelial tissue on the basis of structural modifications of cells.

Q. In what form does skin store reserve food?

1. Solid Form
2. Layer of fat
3. Layer of protein
4. None of these

Q.

Which of the following statements is true?

1. Keratin is important in the sensation of touch

2. Keratin contributes to skin colour

3. Keratin helps waterproof and protect the skin

4. Keratin absorbs ultraviolet radiation

Q. Which pigment gives the colour to skin?

Q.

Which of the following statements is not true?

1. Malpighian layer is the innermost layer of epidermis.

2. The cornified layer is the outermost layer of epidermis.

3. Hypodermis is the lowermost layer of the skin.

4. The epidermis contains hair follicles, sweat glands and oil glands.

Q. what lines the visceral organs peritoneum or mesothelium}?

Q. The place where fats are mainly stored in the body is under the ______________

Q.

How many cell layers thick is the epidermis?

Q. Haversian canal are located in

1. All vertebrated bones
2. Cancellous bone in human
3. Both A and B
4. Compact bone in mammals

Q. Which of the following plants shows multiple epidermis?

1. Palm
2. Ficus
3. Croton
4. Cucurbita

Q. Explain excretion system of ostracodermi

Q. People who do not have melanin pigment, have white skin are called as

1. Pigmis
2. Albino
3. Sumerians
4. Mongoloids

Q.

Adipose tissue is most abundant in the ___layer under the skin.

Q. Which of the following are the layers of the skin?

1. Epidermis
2. Dermis
3. Both A and B
4. Olfactory cells

Q. LONG ANSWER TYPE
Enumerate in a tabular form the different structures found in the epidermis and dermis of the human skin respectively.

Q.

Adipose tissue is most abundant in the ___layer under the skin.

Q.

What are the two layers of skin proper?

1. Dermis

2. B & C

3. Hair

4. Epidermis

Q.

Both the epidermis and the dermis are continuously shed and regenerated.

1. True

2. False

Q. The colour of skin and hair is determined by

1. Melanin
2. Rhodopsin
3. Bile
4. Aqueous humour