Epithelial tissue - Exercise - Class 9 - Science Class 9 Notes | EduRev

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Class 9 : Epithelial tissue - Exercise - Class 9 - Science Class 9 Notes | EduRev

 Page 2


 
  
EPITHELIAL TISSUE 
 
? Epithelial tissue consists of tightly packed cells resembling a 
continuous sheet and lacks blood vessels. They are present in 
the skin of our body and cover each and every internal organ 
of the body too. 
 
? Skin which is the largest organ of our body is a waterproof 
covering and is made up of this tissue called epithelial tissue. 
 
? Epithelial tissue is categorized on the basis of the number of 
cells and the shape of the cells.  
 
? On the basis of the number of the cells if it’s single layer then 
it is called simple epithelial tissue whereas if it has many 
layers it is called stratified epithelial tissue.  
 
? On the basis of the shape of cells, this Epithelial tissue have 
three variants:  
 
1) Squamous epithelium which are flat resembling tiles of    
pavement.  
2) Cuboidal epithelium which are like ice cubes.  
3) Columnar epithelium which are rectangular column. 
 
? All these three variants are further classified into different 
subtypes.  
 
 
 
 
Page 3


 
  
EPITHELIAL TISSUE 
 
? Epithelial tissue consists of tightly packed cells resembling a 
continuous sheet and lacks blood vessels. They are present in 
the skin of our body and cover each and every internal organ 
of the body too. 
 
? Skin which is the largest organ of our body is a waterproof 
covering and is made up of this tissue called epithelial tissue. 
 
? Epithelial tissue is categorized on the basis of the number of 
cells and the shape of the cells.  
 
? On the basis of the number of the cells if it’s single layer then 
it is called simple epithelial tissue whereas if it has many 
layers it is called stratified epithelial tissue.  
 
? On the basis of the shape of cells, this Epithelial tissue have 
three variants:  
 
1) Squamous epithelium which are flat resembling tiles of    
pavement.  
2) Cuboidal epithelium which are like ice cubes.  
3) Columnar epithelium which are rectangular column. 
 
? All these three variants are further classified into different 
subtypes.  
 
 
 
 
Questionnaire 
A) Fill in the blanks. 
1) Our body has a waterproof covering in the form of _______ and this _____ is 
made up of some tissue. 
a) Skin, Tissue.  
b) Skin ,Cells. 
c) Skin, Organ. 
d) None of the above.  
2) The cells in _________ tissue are tightly packed stuck very close to each other 
and they look like a ________ of cells. 
a) Epithelial, Fat layer. 
b) Epithelial, Continuous sheet 
c) Epithelial, Collection. 
d) None of the above.  
3) The epithelial tissue lacks ___________ so all the nutrition needed for the cells 
is supplied by a layer on which all the cells lie, this layer is called___________. 
a) Nucleus, Basement membrane 
b) Arteries, Membrane 
c) Blood vessels, Basal layer 
d) Blood vessels, Basement membrane 
4) The types of epithelial tissue are based on two factors ________of the cells in 
the tissue and the _______of the cells in the tissue.  
a) Number, shape 
b) Size, shape 
c) Number, Size 
d) All of these 
Page 4


 
  
EPITHELIAL TISSUE 
 
? Epithelial tissue consists of tightly packed cells resembling a 
continuous sheet and lacks blood vessels. They are present in 
the skin of our body and cover each and every internal organ 
of the body too. 
 
? Skin which is the largest organ of our body is a waterproof 
covering and is made up of this tissue called epithelial tissue. 
 
? Epithelial tissue is categorized on the basis of the number of 
cells and the shape of the cells.  
 
? On the basis of the number of the cells if it’s single layer then 
it is called simple epithelial tissue whereas if it has many 
layers it is called stratified epithelial tissue.  
 
? On the basis of the shape of cells, this Epithelial tissue have 
three variants:  
 
1) Squamous epithelium which are flat resembling tiles of    
pavement.  
2) Cuboidal epithelium which are like ice cubes.  
3) Columnar epithelium which are rectangular column. 
 
? All these three variants are further classified into different 
subtypes.  
 
 
 
 
Questionnaire 
A) Fill in the blanks. 
1) Our body has a waterproof covering in the form of _______ and this _____ is 
made up of some tissue. 
a) Skin, Tissue.  
b) Skin ,Cells. 
c) Skin, Organ. 
d) None of the above.  
2) The cells in _________ tissue are tightly packed stuck very close to each other 
and they look like a ________ of cells. 
a) Epithelial, Fat layer. 
b) Epithelial, Continuous sheet 
c) Epithelial, Collection. 
d) None of the above.  
3) The epithelial tissue lacks ___________ so all the nutrition needed for the cells 
is supplied by a layer on which all the cells lie, this layer is called___________. 
a) Nucleus, Basement membrane 
b) Arteries, Membrane 
c) Blood vessels, Basal layer 
d) Blood vessels, Basement membrane 
4) The types of epithelial tissue are based on two factors ________of the cells in 
the tissue and the _______of the cells in the tissue.  
a) Number, shape 
b) Size, shape 
c) Number, Size 
d) All of these 
B) Complete the following  
1) In an epithelial tissue if there are multiple layers of cells it is called 
as_____________. 
a) Simple epithelial tissue 
b) Complex epithelial tissue 
c) Stratified epithelial tissue 
d) None of the above. 
2) Skin has many layers of squamous cells as compared to the lining of the 
lungs because ________ 
a) Rapid transfer of gases like Oxygen and Carbon di oxide. 
b) The skin is protective in function 
c) Both a & b 
d) None of the above 
3) ____________has one layer of cells in this tissue it is because it helps in 
________ of waste materials from our blood to excrete them out.  
a) The lining of our kidneys, absorption. 
b) The lining of our lungs, elimination. 
c) The lining of skin, elimination. 
d) None of the above 
4) The ducts/tubes of sweat glands and salivary glands have ______________as 
they have to protect the duct from damage.  
a) The stratified type of cuboidal epithelium 
b) The cuboidal epithelium 
c) The squamous epithelium 
d) The simple type of cuboidal epithelium 
C) Explain (Any 1) subtype of Squamous, Cuboidal and Columnar epithelium 
very briefly. 
Page 5


 
  
EPITHELIAL TISSUE 
 
? Epithelial tissue consists of tightly packed cells resembling a 
continuous sheet and lacks blood vessels. They are present in 
the skin of our body and cover each and every internal organ 
of the body too. 
 
? Skin which is the largest organ of our body is a waterproof 
covering and is made up of this tissue called epithelial tissue. 
 
? Epithelial tissue is categorized on the basis of the number of 
cells and the shape of the cells.  
 
? On the basis of the number of the cells if it’s single layer then 
it is called simple epithelial tissue whereas if it has many 
layers it is called stratified epithelial tissue.  
 
? On the basis of the shape of cells, this Epithelial tissue have 
three variants:  
 
1) Squamous epithelium which are flat resembling tiles of    
pavement.  
2) Cuboidal epithelium which are like ice cubes.  
3) Columnar epithelium which are rectangular column. 
 
? All these three variants are further classified into different 
subtypes.  
 
 
 
 
Questionnaire 
A) Fill in the blanks. 
1) Our body has a waterproof covering in the form of _______ and this _____ is 
made up of some tissue. 
a) Skin, Tissue.  
b) Skin ,Cells. 
c) Skin, Organ. 
d) None of the above.  
2) The cells in _________ tissue are tightly packed stuck very close to each other 
and they look like a ________ of cells. 
a) Epithelial, Fat layer. 
b) Epithelial, Continuous sheet 
c) Epithelial, Collection. 
d) None of the above.  
3) The epithelial tissue lacks ___________ so all the nutrition needed for the cells 
is supplied by a layer on which all the cells lie, this layer is called___________. 
a) Nucleus, Basement membrane 
b) Arteries, Membrane 
c) Blood vessels, Basal layer 
d) Blood vessels, Basement membrane 
4) The types of epithelial tissue are based on two factors ________of the cells in 
the tissue and the _______of the cells in the tissue.  
a) Number, shape 
b) Size, shape 
c) Number, Size 
d) All of these 
B) Complete the following  
1) In an epithelial tissue if there are multiple layers of cells it is called 
as_____________. 
a) Simple epithelial tissue 
b) Complex epithelial tissue 
c) Stratified epithelial tissue 
d) None of the above. 
2) Skin has many layers of squamous cells as compared to the lining of the 
lungs because ________ 
a) Rapid transfer of gases like Oxygen and Carbon di oxide. 
b) The skin is protective in function 
c) Both a & b 
d) None of the above 
3) ____________has one layer of cells in this tissue it is because it helps in 
________ of waste materials from our blood to excrete them out.  
a) The lining of our kidneys, absorption. 
b) The lining of our lungs, elimination. 
c) The lining of skin, elimination. 
d) None of the above 
4) The ducts/tubes of sweat glands and salivary glands have ______________as 
they have to protect the duct from damage.  
a) The stratified type of cuboidal epithelium 
b) The cuboidal epithelium 
c) The squamous epithelium 
d) The simple type of cuboidal epithelium 
C) Explain (Any 1) subtype of Squamous, Cuboidal and Columnar epithelium 
very briefly. 
D) Match  
A B 
a)Endometrium lining of uterus 1)Ciliated columnar epithelium 
b)Food pipe in our body 2)Pseudo stratified columnar tissue 
c)Skin protein keratin 3)Stratified cuboidal epithelium 
d)Ducts of the tear gland 4)Stratified squamous epithelium 
 
Options 
A) a-3, b-1, c-4, d-2. 
B) a-2, b-1, c-4, d-3 
C) a-2, b-4, c-1, d-3 
D) a-1, b-2, c-4, d-3 
 
Answers  
A) Fill in the blanks. 
1) c) Our body has a waterproof covering in the form of skin and this Organ is 
made up of some tissue. 
2) b) The cells in Epithelial tissue are tightly packed stuck very close to each 
other and they look like a Continuous sheet of cells. 
3) d) The epithelial tissue lacks Blood vessels so all the nutrition needed for the 
cells is supplied by a layer on which all the cells lie, this layer is called 
Basement membrane. 
4) a) The types of epithelial tissue are based on two factors Number of the cells 
in the tissue and the shape of the cells in the tissue.  
B) Complete the following  
1) c) In an epithelial tissue if there is multiple layers of cells it’s called Stratified 
epithelial tissue 
2) b) Skin has many layers of squamous cells as compared to the lining of the 
lungs because The skin is protective in function. 
3) a) The lining of our kidneys has one layer of cells in this tissue it is because 
it helps in absorption of waste materials from our blood to excrete them out.  
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