Question:
What are the identifying features of collenchyma tissue?
Answer:
- Long and narrow cells
- cell walls are irregularly thickened at corners due to deposition of cellulose or pectin.
- oval, circular or polygonal in shape
- Very little intercellular spaces are present.
Tissues
Q 1.
Name the following:
Supportive plant tissues containing stone cells.
Q 2.
Which meristem replaces epidermis as the protective covering?
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.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 6.
Name the following:
Tissue that stores fats in our body.
Q 7.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 8.
What is myelin sheath? Where do we find it?
Q 9.
Name the following:
Tissues present in lung alveoli
Q 10.
List the characteristics of meristematic tissues.
Q 11.
What is the structure and nature of Parenchyma tissue?
Q 12.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 13.
What is the role of xylem tissue?
Q 14.
What is main purpose of stratified epithelium?
Q 15.
Which Phloem cellular element has a tubular structure with perforated walls?
Q 16.
List the functions of blood cells
Q 17.
Why are striated muscles called skeletal muscles?
Q 18.
Where do we find cardiac tissues? What are the functions of cardiac tissues?
Q 19.
Where do we find nerve cells?
Q 20.
How are muscles tissues related to nerve cells?
Q 21.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 22.
Fill In the Blanks :
Bone is surrounded by a connective tissue known as ________.
Q 23.
Name the following:
Tissue that transports food in plants
Q 24.
Name the following:
Type of Connective Tissue having matrix made of calcium phosphate
Q 26.
Why do plants have more dead tissues as compared to animals?
Q 27.
Which tissues are responsible for the axial growth of plants?
Q 28.
Where do we find intercalary meristem?
Q 29.
Where do you find Parenchyma cells in Plants?
Q 30.
Are Collenchyma tissues present in roots of the plants?
Q 31.
Name the chemical released by cork cells?
Q 32.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 33.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 34.
Why are Xylem and Phloem known as conducting tissues?
Q 35.
Why are Xylem and Phloem called as vascular tissues?
Q 36.
Based on layer and shape of cells, how Epithelial tissues can be classified?
Q 37.
Where do you find simple squamous in an animal body?
Q 38.
What is the shape of cuboidal epithelium? Where do we find these 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.
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 42.
What does plasma contain?
Q 43.
Name the two fluid connective tissues.
Q 44.
Why type of inter cellular matrix is found in bone tissue? What are its constituents?
Q 45.
Which connective tissue connects two bones?
Q 46.
How will you identify cardiac muscles cells under a microscope?
Q 47.
Do all cells respond to stimuli or this ability is possessed by nerve cells only?
Q 48.
What is the unit of nervous tissues?
Q 49.
How long a nerve cell can be?
Q 50.
Fill In the Blanks :
The study of the structure of tissues and organs is known as ______ .