Question:
What is the main purpose of columnar epithelium?
Answer:
Secretion of enzymes and absorption of food. They also facilitate movement across the epithelial barrier.
Tissues
Q 1.
Where blood is formed in our body?
Q 2.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 4.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 5.
Identify the location of the following connective tissues.
(a) Blood
(b) Lymph
(c) Bone
(d) Cartilage
(e) Tendons
Q 6.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 7.
What type of epithelium tissues are found in respiratory tract and in intestinal lining? How are these tissues different from each other?
Q 9.
Which meristem replaces epidermis as the protective covering?
Q 10.
Name the following:
Connective Tissue with a fluid matrix
Q 11.
What does plasma contain?
Q 12.
Where do we find intercalary meristem?
Q 13.
Which plant tissues are often called as stone cells?
Q 14.
List the cellular elements of xylem tissue?
Q 15.
Which tissues are called covering or protective tissues?
Q 16.
Where do we find nerve cells?
Q 17.
Are Collenchyma tissues present in roots of the plants?
Q 18.
Why do meristematic cells lack vacuoles?
Q 19.
Which tissue makes up the husk of coconut?
Q 20.
Where do you find collenchyma tissues in plants?
Q 21.
Which tissue is known as living mechanical tissue?
Q 22.
Name the chemical released by cork cells?
Q 23.
Name two types of complex tissues.
Q 24.
Why are Xylem and Phloem called as vascular tissues?
Q 25.
What is the main function of cuboidal epithelium?
Q 26.
Fill In the Blanks :
Based on ability to divide, plant tissues may be classified as ________ and _____ tissues.
Q 27.
Fill In the Blanks :
Meristematic cells possess the power of cell ______.
Q 28.
Fill In the Blanks :
Protective tissues include ______ and _____.
Q 29.
Name the following:
Tissue that forms the inner lining of our mouth
Q 30.
Name the following:
Tissue that stores fats in our body.
Q 31.
Name the following:
Plant tissue help in bending leaf stalk
Q 32.
Where do we find glandular columnar epithelia? What are their main role?
Q 33.
What is the unit of nervous tissues?
Q 34.
How long a nerve cell can be?
Q 35.
Name the following:
It provides buoyancy to lotus plant help it float.
Q 36.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 37.
Which Phloem cellular element has a tubular structure with perforated walls?
Q 38.
Why are Xylem and Phloem known as complex permanent tissues?
Q 39.
Where do we find epithelial tissues on animal body?
Q 40.
What is simple stratified epithelium? Where do we find these tissues?
Q 41.
What is the common characteristic in different connective tissues?
Q 42.
Name the following:
Tissue that transports food in plants
Q 43.
Name the following:
Supportive plant tissues containing stone cells.
Q 44.
Name the following:
Animal tissue having rhythmic contraction and relaxation throughout life.
Q 45.
Why do animals tissues require more energy as compared to plant tissues?
Q 46.
List the characteristics of meristematic tissues.
Q 47.
What do you mean by 'Differentiation' in plant tissues?
Q 48.
What is the shape of simple squamous tissue?
Q 49.
Where do you find simple squamous in an animal body?
Q 50.
What are the constituents of connective tissues?
