Structural Organisation In Animals( Animal Tissue )

Question 1

Who introduced the term epithelium

Answer 1

Ruysch

Question 2

What is the basal lamina composed of

Answer 2

Mucopolysaccharides and glycoproteins, but decreased by epithelial tissue.

Question 3

What is the fibrous or reticular lamina composed of

Answer 3

Collagen or recticular fibres of the underlying connective tissue.

Question 4

What is the function of simple epithelium tissue

Answer 4

As lining for body cavities, ducts and tubes

Question 5

Squamous epithelium is also known as

Answer 5

Pavement epithelium

Question 6

Where are the simple squamous tissue located

Answer 6

In the walls of blood vessels 
Air sacs or alveoli
Lymph vessels
Wall of bowman's capsule 
Loop of Henri of nephron,
Coelomic cavities etc

Question 7

What are the functions done by simple squamous tissue

Answer 7

Filtration in bowman’s capsule

Exchange of materials between blood capillaries and tissue fluid

Question 8

What is the use of microvilli as brush in tissues

Answer 8

It increases the surface area to several times

Question 9

Where is cuboidal squamous tissue located

Answer 9

Tubular parts of nephron
Ducts of glands
Thyroid follicles
Ovaries and testes( germinal epithelium)

Question 10

Where is brush bordered cuboidal epithelium present

Answer 10

On the proximal convoluted tubule (PCT)of nephron in kidney.

Question 11

Functions of cuboidal epithelium

Answer 11

Reabsorbtion and secretion

Question 12

Where is the nuclei of columnar epithelium situvated

Answer 12

It is near the base of the cells

Question 13

The cells which produces mucus in columnar tissue

Answer 13

Goblet tissue

Question 14

The epithelium containing mucus secreting cells, along with underlying supporting connective tissue is called

Answer 14

Mucosa ,or Mucous membrane

Question 15

Compound epithelium is also known as

Answer 15

Stratified epithelium

Question 16

Compound epithelium is classified into

Answer 16

Keratinised and non keratinised squamous tissue

Question 17

Speciality of keratin

Answer 17

It is water proof

Question 18

Where is keratinised squamous tissue is located

Answer 18

Dry surfaces

Question 19

Where is non keratinised squamous tissue located

Answer 19

Wet surfaces like mouth , buccal cavity, cheek epithelium etc

Question 20

The transitional epithelium is resting

Answer 20

Fluid matrix

Question 21

Speciality of plastic epithelium

Answer 21

Stretchable

Question 22

Where is the transitional epithelium located

Answer 22

Renal pelvis , ureter , urinary bladder etc..

Question 23

Gap junction is also known as

Answer 23

Communication junction

Question 24

Function of gap junction

Answer 24

Allows transport of materials between cells

Question 25

Function of the interdigitated cell junction

Answer 25

Attach adjacent cells together

Question 26

Function of tight junction

Answer 26

Check the leakage of cytoplasm

Question 27

Function of adhering junction

Answer 27

Adherence of two cells with the help of cementing substances

Question 28

Example of adhering junction

Answer 28

Protein plaque

Question 29

Classification of adhering junction

Answer 29

Zonula adherence Macula adherence Hemi desmosome

Question 30

In hemi desmosome the plaque is located

Answer 30

At the base of the cell

Question 31

A cell/tissue / organ with secretary function is known as

Answer 31

A gland

Question 32

Type of cells in glandular epithelium

Answer 32

Cuboidal or columnar cells

Question 33

Example for unicellular gland

Answer 33

Goblet/ chalice/ mucocyte ,secrete mucus

Question 34

A multicellular gland

Answer 34

Salivary gland , sebaceous gland , sweat gland etc.

Question 35

Some heterocrine glands

Answer 35

Pancreas , gonads (ovary/testes)

Question 36

The most abundant connective tissue in our body

Answer 36

Areolar tissue

Question 37

Dense regular connective tissue

Answer 37

Tendons and ligaments

Question 38

Dense irregular connective tissue

Answer 38

Dermal skin

Question 39

Colour of collagen fibres

Answer 39

White fibre

Question 40

Elastin fibre colour

Answer 40

Yellow fibre

Question 41

Connective tissue whose matrix is solid

Answer 41

Bone and cartilage

Question 42

Fluid connective tissue

Answer 42

Blood and lymph

Question 43

Nerve fibres is also known as

Answer 43

Axons

Question 44

Out of 500 species of earth worm how many are found from India

Answer 44

13 species

Question 45

Name any common species of earth worm

Answer 45

Pheretima posthuma and lumbricus

Question 46

Earth worms can be traced by their faecal deposits known as

Answer 46

Worm Casting

Question 47

The different types of apertures in earthworm

Answer 47

``` Mouth Anus Spermathecal apertures Female genital pores Male genital pores Nephridiopores Dorsal pores ```

Question 48

The body wall of earth worm is made of

Answer 48

Cuticle Epidermis muscular layer Coelomic cavity

Question 49

In earthworm,name the segment in which the mouth is present

Answer 49

Peristomium