Biology

Tissues

Question:

Why the cell walls of collenchyma tissues are unevenly thickened?

Answer:

The cell walls are unevenly thickened due to deposition of excessive cellulose, and pectin.
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Tissues

Q 1.

What are the identifying features of collenchyma tissue?

Q 2.

Which tissues are called covering or protective tissues?

Q 3.

Where do you find collenchyma tissues in plants?

Q 4.

What is main purpose of stratified epithelium?

Q 5.

Which plant tissues are often called as stone cells?

Q 6.

Name the following:
Animal tissue having rhythmic contraction and relaxation throughout life.

Q 7.

Name the following:
Type of Connective Tissue having matrix made of calcium phosphate

Q 8.

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 9.

How are complex tissues different from simple tissues?

Q 10.

Why are Xylem and Phloem known as complex permanent tissues?

Q 11.

What is the common characteristic in different connective tissues?

Q 12.

What is the unit of nervous tissues?

Q 13.

What is histology?

Q 14.

How does epidermis help xerophytes?

Q 15.

Why vascular tissue is considered a distinctive feature responsible for the survival of plants in terrestrial plants?

Q 16.

Where do we find epithelial tissues on animal body?

Q 17.

Where do you find simple squamous in an animal body?

Q 18.

What is the main function of cuboidal epithelium?

Q 19.

What is myelin sheath? Where do we find it?

Q 20.

Fill In the Blanks :
Xylem is composed of _______, ______, ________ and _______.

Q 21.

Name two types of complex tissues.

Q 22.

Which plant tissue is considered to have played an important role in the survival of terrestrial plants?

Q 23.

List the cellular elements of xylem tissue?

Q 24.

Identify the location of the following connective tissues.
(a) Blood
(b) Lymph
(c) Bone
(d) Cartilage
(e) Tendons

Q 25.

Why are striated muscles called skeletal muscles?

Q 26.

What are identification marks of striated muscles when seen under microscope?

Q 27.

Name the following:
It provides buoyancy to lotus plant help it float.

Q 28.

Name the following:
Connective Tissue with a fluid matrix

Q 29.

Name the following:
Isodiametric cells, thin cell wall, large vacuoles, living, packing tissue in plants

Q 30.

Name the following:
Human tissue that helps in the movement of ova in the fallopian tube.

Q 31.

Which tissue makes up the husk of coconut?

Q 32.

Give three features of cardiac muscles.

Q 33.

List the characteristics of meristematic tissues.

Q 34.

Which tissue primarily attributes to easy bending of various parts of plants (like stem, leaves)?

Q 35.

List the functions of the epidermis.

Q 36.

Name the chemical released by cork cells?

Q 37.

What is the role of xylem tissue?

Q 38.

What are the general identifying features of epithelial tissues?

Q 39.

Based on layer and shape of cells, how Epithelial tissues can be classified?

Q 40.

What is Haematology?

Q 41.

Name different types of connective tissues?

Q 42.

What does plasma contain?

Q 43.

List the functions of blood cells

Q 44.

Name the two fluid connective tissues.

Q 45.

Name the constituents of matrix found in cartilage.

Q 46.

Name the fat-storing tissues? Where are they located? How do these tissue help?

Q 47.

How long a nerve cell can be?

Q 48.

How are muscles tissues related to nerve cells?

Q 49.

Fill In the Blanks :
Meristematic cells possess the power of cell ______.

Q 50.

Name the following:
Tissue that forms the inner lining of our mouth