Plant Tissues

Question 1

group of cells of the same type or of the mixed type, having a common origin and performing an identical function.

Answer 1

plant tissues

Question 2

may be classified into two groups: meristematic tissue
and permanent tissue.

Answer 2

plant tissues

Question 3

have cells which are
continuously dividing.

Answer 3

meristematic tissue

Question 4

found in the growing regions
of the plant (apices of roots
and shoot)

Answer 4

meristematic tissue

Question 5

cells are immature and are capable of undergoing repeated division throughout their life.

Answer 5

meristematic tissue

Question 6

types of meristematic tissue

Answer 6

Based on origin, Based on the location, Based on function

Question 7

based on origin

Answer 7

• Promeristem
• Primary meristem
• Secondary meristem

Question 8

based on location

Answer 8

• Apical meristem
• Intercalary meristem
• Lateral meristem

Question 9

based on function

Answer 9

• Protoderm
• Procambium
• Ground meristem

Question 10

• youngest stage of the growing organ
• gives rise to primary meristem

Answer 10

promeristem

Question 11

• Embryonic tissues
• gives rise epidermis, the cortex, the leaves and the pith.

Answer 11

primary meristem

Question 12

It develops later from non-meristematic tissues at a
certain stage of development of an organ of a plant.

Answer 12

secondary meristem

Question 13

found in the tips of root and shoot

Answer 13

apical meristem

Question 14

found in the internodes or at the base of the leaves

Answer 14

intercalary meristem

Question 15

found in the lateral surface of the stem and the root

Answer 15

lateral meristem

Question 16

• outermost plant tissue and forms the epidermis
• located around the outside of the stem and protects the plants from any mechanical shocks.

Answer 16

protoderm

Question 17

innermost tissue and gives rise to the xylem and phloem.

Answer 17

procambium

Question 18

• cells are large with thick walls.
• gives rise to ground tissue

Answer 18

ground meristem

Question 19

composed of cells that have lost the power of division, having attained their definite form and sizes (differentiated and mature).

Answer 19

Permanent Tissue

Question 20

simple permanent

Answer 20

• Parenhcyma
• Collenchyma
• Sclerenchyma

Question 21

Complex tissue

Answer 21

• Xylem
• Phloem

Question 22

covers the plant and can be found on the outer layer of roots, stems and leaves

Answer 22

dermal tissue

Question 23

functions are transpiration, gas exchange and defense.

Answer 23

dermal tissue

Question 24

epidermis and periderm

Answer 24

dermal tissue

Question 25

In woody plants, the _____ breaks apart into a thick periderm as secondary growth allows the plant to grow in girth.

Answer 25

epidermis

Question 26

functions as the first line of defense for the plant, protecting it from fire or heat injury, dehydration, freezing conditions, and/or disease.

Answer 26

periderm

Question 27

perform photosynthesis, storage and secretion

Answer 27

parenchyma

Question 28

provide mechanical support

Answer 28

collenchyma

Question 29

usually dead or without protoplast

Answer 29

sclerenchyma

Question 30

chlorenchyma and aerenchyma

Answer 30

parenchyma

Question 31

parenchymatous tissue that contains chloroplasts and chlorophyll

Answer 31

chlorenchyma

Question 32

parenchyma tissue with large air spaces between cells.

Answer 32

aerenchyma

Question 33

▪ help support young parts of
the plant shoot.

Answer 33

Collenchyma

Question 34

▪ elongated cells that have thicker primary walls

Answer 34

Collenchyma

Question 35

▪ provide flexible support without restraining growth. At maturity, these cells are living and flexible, elongating with the stems and leaves they support

Answer 35

Collenchyma

Question 36

▪ supporting elements in the plant but are much more rigid than collenchyma cells.

Answer 36

Sclerenchyma

Question 37

▪ contains large amounts of lignin, a relatively indigestible
strengthening polymer that accounts for more than a quarter of the dry mass of wood

Answer 37

Sclerenchyma

Question 37

may occur in the cortex, pith, phloem, hard seeds, nuts, stony fruits, in leaves and in the stems of many plants. They are also known as grit cells

Answer 37

sclereids

Question 37

▪ has two types: fiber and sclereids

Answer 37

Sclerenchyma

Question 37

made up of pure cellulose

Answer 37

fiber

Question 38

xylem and phloem

Answer 38

vascular tissue

Question 39

Performs conduction of water and mineral salts from the roots to the top of plants

Answer 39

xylem

Question 40

transport of food products from green parts to the storage organs and to other organs of plants

Answer 40

phloem