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 following:
Supportive plant tissues containing stone cells.
Q 2.
What are different types of muscle tissues? Also list which of these are voluntary or involuntary.
Q 3.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 4.
Which meristem replaces epidermis as the protective covering?
Q 5.
What are identification marks of striated muscles when seen under microscope?
Q 6.
Name the following:
Tissues present in lung alveoli
Q 7.
Name the following:
Tissue that stores fats in our body.
Q 8.
List the characteristics of meristematic tissues.
Q 9.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 10.
What is myelin sheath? Where do we find it?
Q 11.
Which tissues are responsible for the axial growth of plants?
Q 12.
Where do we find intercalary meristem?
Q 13.
Where do you find Parenchyma cells in Plants?
Q 14.
Are Collenchyma tissues present in roots of the plants?
Q 15.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 16.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 17.
What is the role of xylem tissue?
Q 18.
Which Phloem cellular element has a tubular structure with perforated walls?
Q 19.
Why are Xylem and Phloem called as vascular tissues?
Q 20.
What is main purpose of stratified epithelium?
Q 21.
Where do we find glandular columnar epithelia? What are their main role?
Q 22.
Why are striated muscles called skeletal muscles?
Q 23.
Do all cells respond to stimuli or this ability is possessed by nerve cells only?
Q 24.
Where do we find nerve cells?
Q 25.
How are muscles tissues related to nerve cells?
Q 26.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 27.
Fill In the Blanks :
Bone is surrounded by a connective tissue known as ________.
Q 28.
Name the following:
Tissue that transports food in plants
Q 29.
Which tissue helps in increasing the length of stem and root?
Q 30.
What does a neuron look like?
Q 31.
What are the identifying features of collenchyma tissue?
Q 32.
Which plant tissues are often called as stone cells?
Q 33.
How are complex tissues different from simple tissues?
Q 34.
Based on layer and shape of cells, how Epithelial tissues can be classified?
Q 35.
What is the shape of cuboidal epithelium? Where do we find these tissues?
Q 36.
How will you identify Columnar epithelium? Where are these tissues located?
Q 37.
List the functions of blood cells
Q 38.
Why type of inter cellular matrix is found in bone tissue? What are its constituents?
Q 39.
How will you identify cardiac muscles cells under a microscope?
Q 40.
What is the unit of nervous tissues?
Q 41.
How long a nerve cell can be?
Q 42.
Fill In the Blanks :
The study of the structure of tissues and organs is known as ______ .
Q 43.
Name the following:
Connective Tissue with a fluid matrix
Q 44.
Name the following:
Tissues present in the brain
Q 45.
Name the following:
Plant tissue help in bending leaf stalk
Q 46.
Name the following:
Human tissue that helps in the movement of ova in the fallopian tube.
Q 48.
What is the utility of tissues in multi-cellular organisms?
Q 49.
Why do plants have more dead tissues as compared to animals?
Q 50.
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
