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.
Name the following:
Supportive plant tissues containing stone cells.
Q 2.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 3.
What are different types of muscle tissues? Also list which of these are voluntary or involuntary.
Q 4.
What are identification marks of striated muscles when seen under microscope?
Q 5.
Name the following:
Tissues present in lung alveoli
Q 6.
Which meristem replaces epidermis as the protective covering?
Q 7.
Why are Xylem and Phloem called as vascular tissues?
Q 8.
Where do we find nerve cells?
Q 9.
Name the following:
Tissue that transports food in plants
Q 10.
List the characteristics of meristematic tissues.
Q 11.
Where do we find intercalary meristem?
Q 12.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 13.
Are Collenchyma tissues present in roots of the plants?
Q 14.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 15.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 16.
How are muscles tissues related to nerve cells?
Q 17.
Fill In the Blanks :
The study of the structure of tissues and organs is known as ______ .
Q 18.
Name the following:
Tissue that stores fats in our body.
Q 19.
Where do you find Parenchyma cells in Plants?
Q 20.
Which plant tissues are often called as stone cells?
Q 21.
How are complex tissues different from simple tissues?
Q 22.
What is the role of xylem tissue?
Q 23.
Based on layer and shape of cells, how Epithelial tissues can be classified?
Q 24.
What is main purpose of stratified epithelium?
Q 25.
What is the main function of cuboidal epithelium?
Q 26.
Do all cells respond to stimuli or this ability is possessed by nerve cells only?
Q 27.
What is myelin sheath? Where do we find it?
Q 28.
Name the following:
Human tissue that helps in the movement of ova in the fallopian tube.
Q 30.
Which tissue helps in increasing the length of stem and root?
Q 31.
Which tissues are responsible for the axial growth of plants?
Q 32.
What does a neuron look like?
Q 33.
What are the identifying features of collenchyma tissue?
Q 34.
Which tissue is known as living mechanical tissue?
Q 35.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 36.
Which Phloem cellular element has a tubular structure with perforated walls?
Q 37.
Why are Xylem and Phloem known as conducting tissues?
Q 38.
Based on functions performed, list the types of animal tissues.
Q 39.
How will you identify Columnar epithelium? Where are these tissues located?
Q 40.
Where do we find glandular columnar epithelia? What are their main role?
Q 41.
What are the constituents of connective tissues?
Q 42.
List the type of intercellular matrix present in the following connective tissues.
(a) Blood
(b) Lymph
(c) Bone
(d) Cartilage
(e) Tendons
(f) Ligaments
(g) Areolar Tissue
(h) Adipose tissue
Q 43.
Why are striated muscles called skeletal muscles?
Q 44.
How will you identify cardiac muscles cells under a microscope?
Q 45.
Fill In the Blanks :
Meristematic cells possess the power of cell ______.
Q 46.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 47.
Fill In the Blanks :
Bone is surrounded by a connective tissue known as ________.
Q 48.
Name the following:
Connective Tissue with a fluid matrix
Q 49.
Name the following:
Epithelial tissues having pillar like cells
Q 50.
Name the following:
Isodiametric cells, thin cell wall, large vacuoles, living, packing tissue in plants
