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Reviewer:/ > BIO-2 (plant tissue) > Flashcards

BIO-2 (plant tissue) Flashcards

1
Q

also know as “the team of workers”

A

Tissues

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2
Q

is a cellular organizational level between cells
and a complete organ.

A

tissue

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3
Q

an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function.

A

tissue

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4
Q

French for tissue

A

tissu

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5
Q

tissu means

A

something that is woven

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6
Q

the verb ______, means “to weave”

A

tisser

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7
Q

study of human and animal tissues is known
as

A

Histology

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8
Q

The study of human and animal tissues in connection with disease

A

histopathology

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9
Q

Levels of organization (7)

A

Atoms > Molecules > cells > tissues > organs > organs system > organism

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10
Q

2 types of plant tissue

A

Meristematic tissue
Permanent tissue

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11
Q

tissue is defined as a mass of young, immature and undifferentiated cells, which remain young forever and divide throughout the life of the plant.

A

Meristematic tissue

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12
Q

Greek for meristematic?

A

meristos

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13
Q

Meristos means?

A

divisible

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14
Q

Classification of Meristems

A
  1. Based on position in the plant body
  2. Based on the origin of formation
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15
Q

Classification of Meristems :
(a) Based on position in the plant body

A

Apical meristems
Intercalary meristems
Lateral Meristems

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16
Q

occur in shoot and root tips

A

Apical meristems

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17
Q

2 types of apical meristem tissue

A

Shoot and root apical meristem

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18
Q

-Occur in mature regions of shoot and roots
-Called secondary meristems

A

Lateral meristems

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19
Q

-Occur between mature tissues
-Regenerate the parts removed by grazing animals in grasses.

A

Intercalary meristems

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20
Q

Classification of Meristems :
(b) Based on the origin of formation

A

Promeristems
Primary meristems
Secondary meristems

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21
Q

-Meristematic tissue that has existed in the plant since the embryonic level.
-Location : Extreme tip of stem and root.
-Function : Forms primary meristem later the primary structure of the plant body.

A

Promeristems

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22
Q

-Meristematic tissue found in adult plant and still actively does cell division.
-Location : Seen just below promeristem.
-Function : Forms the primary structure of the plant body.

A

Primary meristems

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23
Q

-Meristematic tissue that originated from primary permanent tissues.
-Location : Laterally placed in stem and root.
-Function : Responsible for secondary growth of the plant.
-Example : Inter fascicular cambium and cork cambium of stem, cambium of root.

A

Secondary meristems

24
Q

Characteristics of meristematic cells

A
  1. Cells are small.
  2. Cells are usually cubical.
  3. Cell wall is thin.
  4. Nuclei are large.
  5. Vacuoles almost absent.
    6.Cells tightly packed with almost no intercellular spaces.
25
Q

-These tissues arise from the meristematic tissue.
-The cells of this tissue gradually loose their power to divide and acquire a definite shape, size and function.
-These tissues may be living or dead.

A

Permanent Tissue

26
Q

2 types of permanent tissues

A

Simple permanent tissue
Complex permanent tissue

27
Q

-This tissue comprises of same type of cells which perform the same function and all arise from the same origin.
-Made of only one type of cell

A

Simple Permanent Tissue

28
Q

3 categories of simple permanent tissues

A

Parenchyma
Collenchyma
Sclerenchyma

29
Q

-the fundamental tissue composed of thin walled, living cells whose cell wall is composed of cellulose. Small intercellular spaces are present between the cells
-Location: occurs in all soft parts of plants

A

Parenchyma

30
Q

Types of Parenchyma (2)

A

Chlorenchyma
Aerenchyma

31
Q

Certain parenchymatous tissue contain
chloroplast and synthesize food by the process of photosynthesis.

A

Chlorenchyma

32
Q

In aquatic plants parenchymatous cells have air
cavities between them to store air

A

Aerenchyma

33
Q

-This tissue is composed of somewhat elongated cells with cell walls that are irregularly thickened at corners due to deposition of cellulose or pectin.
-Location: It occurs below the epidermis of stem and petiole
-Function: This tissue provides mechanical support and flexibility and in some cases it may possess chloroplasts to perform Photosynthesis.

A

Collenchyma

34
Q

-It is a tissue of dead and thick walled cells, having no intercellular spaces.
-Location: This tissue is usually found in the hard and stiff parts of the plant like seed coat, husk of coconut
-Function: the chief mechanical tissue in plants and is able to bear push, pull, strain and shearing forces

A

Sclerenchyma

35
Q

2 Types of sclerenchyma

A

Sclereids
Fibres

36
Q

Types of Sclereids (5)

A

Brachysclereids
Macrosclereids
Osteosclereids
Asterosclereids
Trichosclereids

37
Q

2 Types of Fibres

A

Xylary fibres
Extra xylary fibres

38
Q

Types of Xylary fibres (3)

A

Fibre tracheids
Libriform fibres
Gelatinous fibres

39
Q

Types of extra xylary fibres

A

Phloem fibres
Cortical fibres
Perivascular fibres

40
Q

-A tissue made up of more than one type of cells
functioning as a unit
-Made up of more than one type of cells

A

Complex permanent tissue

41
Q

2 types of complex permanent tissues

A

Xylem and Phloem

42
Q

-It is a complex permanent tissue, which is specialized for the conduction of water and mineral substances in the plant body.
-a heterogenous tissue made up of four
different types of cellular elements.

A

xylem

43
Q

4 types of cellular elements of xylem /components of xylem

A

Tracheids
Vessels
Fibres
Parenchyma

44
Q

-are elongated, dead cells, with tapering ends
-characterized by the presence of a thick cell wall consisting of primary wall and a secondary wall.

A

Xylem Tracheids

45
Q

-They are commonly known as xylem vessels.
-are found arranged parallel to each other,
extending from one end of the plant body to another.

A

Xylem Tracheae

46
Q

-They are represented by the dead sclerenchyma fibers that are found in between the vessels and the tracheids
-meant for providing mechanical support to the
essential elements.

A

Xylem Fibres

47
Q

-This is the only living component in the xylem tissue.
-It is represented by groups of parenchyma cells that are found in between the vessels and the fibers.
-They are meant for storage of reserve food

A

Xylem Parenchyma

48
Q

The rings seen in the trunk of an old tree which has been cut transversely are the ____ ____.
The age of a tree can be
determined by counting the number of rings.

A

xylem rings.

49
Q

-is a complex permanent tissue, which is specialized for the conduction of food and other organic substances.
-is commonly described as a living, complex permanent tissue.

A

Phloem

50
Q

4 types of cellular elements of phloem/ Components of phloem

A

Sieve elements
Companion cells
Fibres
Parenchyma

51
Q

-They represent the most active food conducting elements in the phloem tissue.
-found arranged parallel to one another
from one end of the plant body to another.

A

Sieve Tubes

52
Q

-They are more or less spindle shaped cells associated with
the sieve tube cells.
-found attached to any one lateral surface of a sieve cell.
-represent a pair of sister cells.

A

Companion Cells

53
Q

-are represented by the dead sclerenchyma fibres that are found in between the sieve tubes.
-They are meant only for providing mechanical support.

A

Phloem Fibres

54
Q

-is represented by a group of living parenchyma cells that are found in-between the sieve tubes.
-They are meant only for storage of organic food.

A

Phloem Parenchyma

55
Q

ano buhay pa?

A

:((((

Reviewer:/ (7 decks)

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