Question:
Why do meristematic cells lack vacuoles?
Answer:
The purpose of vacuole is to store food and waste product. Since meristems are young cells and are actively dividing, they do not participate actively in food preparation. Neither they produce large waste and hence lack vacuoles.
Tissues
Q 1.
Name the fat-storing tissues? Where are they located? How do these tissue help?
Q 2.
Fill In the Blanks :
The study of the structure of tissues and organs is known as ______ .
Q 3.
Which tissues are called covering or protective tissues?
Q 4.
Which connective tissue connects bones to muscles?
Q 5.
Fill In the Blanks :
Permanent tissues are those which have lost the capacity to _____.
Q 6.
What is main purpose of stratified epithelium?
Q 7.
Why are Xylem and Phloem called as vascular tissues?
Q 8.
Where do we find epithelial tissues on animal body?
Q 9.
Identify the location of the following connective tissues.
(a) Blood
(b) Lymph
(c) Bone
(d) Cartilage
(e) Tendons
Q 10.
Which tissues are responsible for the axial growth of plants?
Q 11.
How are complex tissues different from simple tissues?
Q 12.
Based on functions performed, list the types of animal tissues.
Q 13.
Name the following:
Isodiametric cells, thin cell wall, large vacuoles, living, packing tissue in plants
Q 14.
Where do you find collenchyma tissues in plants?
Q 15.
Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?
Q 16.
Which plant tissue is considered to have played an important role in the survival of terrestrial plants?
Q 17.
What is the main function of cuboidal epithelium?
Q 18.
What are constituents of blood tissue?
Q 19.
Name the following:
Plant tissue help in bending leaf stalk
Q 20.
Which tissue makes up the husk of coconut?
Q 21.
Why type of inter cellular matrix is found in bone tissue? What are its constituents?
Q 22.
Where do we find Areolar tissue? What are its functions?
Q 23.
Fill In the Blanks :
____________ is the parenchyma with large number of chloroplasts.
Q 24.
What is the structure and nature of Parenchyma tissue?
Q 25.
What is the primary surface tissue of the entire plant?
Q 26.
Based on layer and shape of cells, how Epithelial tissues can be classified?
Q 27.
Where do you find simple squamous in an animal body?
Q 28.
Name the two fluid connective tissues.
Q 29.
Name the following:
Tissues present in the brain
Q 30.
Name the following:
Tissue that connects muscles to bone in humans
Q 32.
Name the tissue responsible for the movement in our body.
Q 33.
Which plant tissues are often called as stone cells?
Q 34.
Why the cell walls of collenchyma tissues are unevenly thickened?
Q 35.
Name the chemical released by cork cells?
Q 36.
Why are Xylem and Phloem are called vascular or conducting tissues?
Q 37.
List the cellular elements of xylem tissue?
Q 38.
Why are Xylem and Phloem known as conducting tissues?
Q 39.
What is the shape of cuboidal epithelium? Where do we find these tissues?
Q 40.
Where do we find glandular columnar epithelia? What are their main role?
Q 41.
Which connective tissue connects two bones?
Q 42.
What are different types of muscle tissues? Also list which of these are voluntary or involuntary.
Q 43.
What happens in polio disease?
Q 44.
Fill In the Blanks :
Bone is surrounded by a connective tissue known as ________.
Q 45.
Name the following:
Tissue that transports food in plants
Q 46.
Name the following:
It provides buoyancy to lotus plant help it float.
Q 47.
Name the following:
Tissue that stores fats in our body.
Q 48.
Name the following:
Supportive plant tissues containing stone cells.
Q 49.
Why do plants have more dead tissues as compared to animals?
Q 50.
Name types of simple tissues.
