Question:
What is a tissue?
Answer:
Groups of cells which have a common origin, with similar structure and work together to give the highest possible efficiency of a function is called tissue. Blood, phloem and muscle are all examples of tissues.
Tissues
Q 1.
What are the identifying features of collenchyma tissue?
Q 2.
Where do you find collenchyma tissues in plants?
Q 3.
What is the main function of cuboidal epithelium?
Q 4.
Why are Xylem and Phloem known as conducting tissues?
Q 5.
Which plant tissues are often called as stone cells?
Q 6.
Why vascular tissue is considered a distinctive feature responsible for the survival of plants in terrestrial plants?
Q 7.
Why are Xylem and Phloem called as vascular tissues?
Q 8.
Which tissues are called covering or protective tissues?
Q 9.
What do you mean by 'Differentiation' in plant tissues?
Q 10.
What is the role of xylem tissue?
Q 11.
What is main purpose of stratified epithelium?
Q 12.
What are identification marks of striated muscles when seen under microscope?
Q 13.
Name the following:
Animal tissue having rhythmic contraction and relaxation throughout life.
Q 14.
Give three features of cardiac muscles.
Q 15.
Where do we find glandular columnar epithelia? What are their main role?
Q 16.
Name the constituents of matrix found in cartilage.
Q 17.
What is the unit of nervous tissues?
Q 18.
Fill In the Blanks :
The study of the structure of tissues and organs is known as ______ .
Q 19.
List the functions of the epidermis.
Q 20.
Are Collenchyma tissues present in roots of the plants?
Q 21.
What are the constituents of connective tissues?
Q 22.
How long a nerve cell can be?
Q 23.
Fill In the Blanks :
Permanent tissues are those which have lost the capacity to _____.
Q 24.
Name the following:
Tissues present in lung alveoli
Q 25.
Name the following:
Tissue that connects muscles to bone in humans
Q 26.
Name the following:
Human tissue that helps in the movement of ova in the fallopian tube.
Q 27.
Which tissues are responsible for the axial growth of plants?
Q 28.
What are the constituents of phloem?
Q 29.
Which tissues are responsible for the secondary growth of plants?
Q 30.
Which tissue is known as living mechanical tissue?
Q 31.
Why are Xylem and Phloem known as complex permanent tissues?
Q 32.
Why do meristematic cells lack vacuoles?
Q 33.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 34.
Name the following:
Tissue that forms the inner lining of our mouth
Q 35.
Name the following:
Isodiametric cells, thin cell wall, large vacuoles, living, packing tissue in plants
Q 36.
Why do plants have more dead tissues as compared to animals?
Q 37.
Identify which of the following plant tissues are living or dead?
Apical Meristem, Parenchyma, Aerenchyma, Collenchyma, Sclereids, Tracheids, Xylem Fibres, Xylem Parenchyma, Phloem fibre, Phloem Parenchyma, Vessel, Sieve Tubes
Q 38.
Name types of simple tissues.
Q 39.
Name the tissue responsible for the movement in our body.
Q 40.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 41.
How does epidermis help xerophytes?
Q 42.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 43.
Name the cellular elements of Phloem tissue.
Q 44.
What is simple stratified epithelium? Where do we find these tissues?
Q 45.
What are constituents of blood tissue?
Q 46.
Name different types of white blood corpuscles.
Q 47.
Why are striated muscles called skeletal muscles?
Q 48.
Where do we find nerve cells?
Q 49.
What happens in polio disease?
Q 50.
Fill In the Blanks :
____ and ______ are the conducting tissues or vascular tissues, also called complex tissues.