Question:
Give three features of cardiac muscles.
Answer:
- Cardiac muscles of the heart show rhythmic contraction and relaxation throughout life.
- These are involuntary muscles and form the walls of the heart.
- They are cylindrical, branched and uninucleate.
- They show characteristics of both striated and unstriated muscles.
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 main purpose of stratified epithelium?
Q 4.
Which tissues are called covering or protective tissues?
Q 5.
How are complex tissues different from simple tissues?
Q 6.
Which tissues are responsible for the axial growth of plants?
Q 7.
Name the following:
Tissues present in lung alveoli
Q 8.
Name the following:
Tissues also called erthyrocytes and transport oxygen.
Q 9.
Name the following:
Animal tissue having rhythmic contraction and relaxation throughout life.
Q 10.
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 11.
List the characteristics of meristematic tissues.
Q 12.
Which plant tissues are often called as stone cells?
Q 13.
What are different types of muscle tissues? Also list which of these are voluntary or involuntary.
Q 14.
How long a nerve cell can be?
Q 15.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 16.
Name the following:
Supportive plant tissues containing stone cells.
Q 17.
Why do animals tissues require more energy as compared to plant tissues?
Q 18.
Where do we find intercalary meristem?
Q 19.
What do you mean by 'Differentiation' in plant tissues?
Q 20.
Why the cell walls of collenchyma tissues are unevenly thickened?
Q 21.
What is the role of xylem tissue?
Q 22.
Name the cellular elements of Phloem tissue.
Q 23.
Where do we find glandular columnar epithelia? What are their main role?
Q 24.
What is Haematology?
Q 25.
Name the following:
Connective Tissue with a fluid matrix
Q 26.
Name the following:
Human tissue that helps in the movement of ova in the fallopian tube.
Q 27.
Why do plants have more dead tissues as compared to animals?
Q 28.
Name the chemical released by cork cells?
Q 29.
List the cellular elements of xylem tissue?
Q 30.
Why are Xylem and Phloem known as conducting tissues?
Q 31.
Why do meristematic cells lack vacuoles?
Q 32.
Where do we find epithelial tissues on animal body?
Q 33.
What is simple stratified epithelium? Where do we find these tissues?
Q 34.
How will you identify Columnar epithelium? Where are these tissues located?
Q 35.
What is the common characteristic in different connective tissues?
Q 36.
What does plasma contain?
Q 37.
Name the two fluid connective tissues.
Q 38.
Identify the location of the following connective tissues.
(a) Blood
(b) Lymph
(c) Bone
(d) Cartilage
(e) Tendons
Q 39.
Which connective tissue connects bones to muscles?
Q 40.
Where do we find Areolar tissue? What are its functions?
Q 41.
Why are striated muscles called skeletal muscles?
Q 42.
What are identification marks of striated muscles when seen under microscope?
Q 43.
Name the three distinct parts of a neuron.
Q 44.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 45.
Name the following:
Type of Connective Tissue having matrix made of calcium phosphate
Q 46.
What is the utility of tissues in multi-cellular organisms?
Q 47.
Name the tissue responsible for the movement in our body.
Q 48.
How does epidermis help xerophytes?
Q 49.
Are Collenchyma tissues present in roots of the plants?
Q 50.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
