Question:
List the functions of the epidermis.
Answer:
- protection against loss of water
- protection against mechanical injury.
- protection against infection (e.g. fungus infection).
- In roots, epidermis has hair like projects which increase the surface area for absorption of water and minerals.
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.
Which meristem replaces epidermis as the protective covering?
Q 4.
Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.
Q 5.
Name the following:
Tissue that stores fats in our body.
Q 6.
What are identification marks of striated muscles when seen under microscope?
Q 7.
Name the following:
Tissues present in lung alveoli
Q 8.
What is the structure and nature of Parenchyma tissue?
Q 9.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 10.
Is xylem (or phloem) homogenous tissue or heterogeneous tissue?
Q 11.
What is main purpose of stratified epithelium?
Q 12.
What is myelin sheath? Where do we find it?
Q 13.
List the characteristics of meristematic tissues.
Q 14.
What is the role of xylem tissue?
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.
How are muscles tissues related to nerve cells?
Q 20.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 21.
Fill In the Blanks :
Bone is surrounded by a connective tissue known as ________.
Q 22.
Which tissues are responsible for the axial growth of plants?
Q 23.
Where do we find intercalary meristem?
Q 24.
Where do you find Parenchyma cells in Plants?
Q 25.
Are Collenchyma tissues present in roots of the plants?
Q 26.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 27.
Why are Xylem and Phloem called as vascular tissues?
Q 28.
How will you identify Columnar epithelium? Where are these tissues located?
Q 29.
Where do we find glandular columnar epithelia? What are their main role?
Q 30.
Why type of inter cellular matrix is found in bone tissue? What are its constituents?
Q 31.
Do all cells respond to stimuli or this ability is possessed by nerve cells only?
Q 32.
What is the unit of nervous tissues?
Q 33.
Where do we find nerve cells?
Q 34.
How long a nerve cell can be?
Q 35.
Name the following:
Tissue that forms the inner lining of our mouth
Q 36.
Name the following:
Tissue that transports food in plants
Q 37.
Name the following:
Epithelial tissues having pillar like cells
Q 38.
Why do plants have more dead tissues as compared to animals?
Q 39.
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 40.
Which tissue helps in increasing the length of stem and root?
Q 41.
What does a neuron look like?
Q 42.
Which tissues are responsible for the secondary growth of plants?
Q 43.
What are the identifying features of collenchyma tissue?
Q 44.
Which plant tissues are often called as stone cells?
Q 45.
How are complex tissues different from simple tissues?
Q 46.
Name two types of complex tissues.
Q 47.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 48.
Why are Xylem and Phloem known as conducting tissues?
Q 49.
Which tissues are called covering or protective tissues?
Q 50.
Where do we find epithelial tissues on animal body?
