Question:
What happens in polio disease?
Answer:
During early stages of childhood, when Polio virus attacks it kills motor neurons. Also nerve cells lose their ability to reproduce new nerve cells. This damage is permanent and the affected kid is unable to walk properly in his life.
Tissues
Q 1.
Name the cellular elements of Phloem tissue.
Q 2.
Which Phloem cellular element has a tubular structure with perforated walls?
Q 3.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 4.
Why are striated muscles called skeletal muscles?
Q 5.
Name the following:
Tissues present in lung alveoli
Q 6.
Which muscle tissues show characteristics of both striated and unstriated muscles?
Q 7.
What is the utility of tissues in multi-cellular organisms?
Q 8.
Which tissues are responsible for the axial growth of plants?
Q 9.
Where do we find epithelial tissues on animal body?
Q 10.
Fill In the Blanks :
Protective tissues include ______ and _____.
Q 11.
Name the following:
It provides buoyancy to lotus plant help it float.
Q 12.
Name the following:
Type of Connective Tissue having matrix made of calcium phosphate
Q 13.
Name the chemical released by cork cells?
Q 14.
What is the common characteristic in different connective tissues?
Q 15.
How are muscles tissues related to nerve cells?
Q 16.
Name the following:
Tissues also called erthyrocytes and transport oxygen.
Q 17.
Why vascular tissue is considered a distinctive feature responsible for the survival of plants in terrestrial plants?
Q 18.
What is the role of xylem tissue?
Q 19.
Based on functions performed, list the types of animal tissues.
Q 20.
Which plant tissues are often called as stone cells?
Q 21.
List functions of phloem tissue?
Q 22.
Where do we find cardiac tissues? What are the functions of cardiac tissues?
Q 23.
Name the three distinct parts of a neuron.
Q 24.
Name the following:
Tissue that stores fats in our body.
Q 25.
What are the identifying features of collenchyma tissue?
Q 26.
How are complex tissues different from simple tissues?
Q 27.
Where do you find simple squamous in an animal body?
Q 28.
What is the main function of cuboidal epithelium?
Q 29.
What are the constituents of connective tissues?
Q 30.
What are constituents of blood tissue?
Q 31.
Name the fat-storing tissues? Where are they located? How do these tissue help?
Q 32.
What are identification marks of striated muscles when seen under microscope?
Q 33.
How will you identify cardiac muscles cells under a microscope?
Q 34.
Do all cells respond to stimuli or this ability is possessed by nerve cells only?
Q 35.
What is the unit of nervous tissues?
Q 36.
Where do we find nerve cells?
Q 37.
What is myelin sheath? Where do we find it?
Q 38.
Fill In the Blanks :
Based on ability to divide, plant tissues may be classified as ________ and _____ tissues.
Q 39.
Name the following:
Tissue that connects muscles to bone in humans
Q 40.
Name the following:
Supportive plant tissues containing stone cells.
Q 41.
Which tissues are responsible for the secondary growth of plants?
Q 42.
What do you mean by 'Differentiation' in plant tissues?
Q 43.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 44.
Why the cell walls of collenchyma tissues are unevenly thickened?
Q 45.
Name two types of complex tissues.
Q 46.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 47.
Based on layer and shape of cells, how Epithelial tissues can be classified?
Q 48.
What is the shape of cuboidal epithelium? Where do we find these tissues?
Q 49.
Name different types of connective tissues?
Q 50.
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
