Lesson 2: Tissue And Cell Modification

Question 1

Give the functions on the parts of plant flower,leaf, fruit,stem,root. upper is shoot system down is root system

Answer 1

•helps in reproduction
•perfroms photosynthesis
•protects the seeds
•supports the plant
•absorb water and minerals

Question 2

What is called when cells are capable of cell division

Answer 2

Meristematic

Question 3

What is called when mature cells are incapable of cell division

Answer 3

Permanent

Question 4

Tissue composed of a single cell type examples are

Answer 4

Simple
•epidermis
•parenchyma
•collenchyma
•sclerenchyma
•chlorenchyma

Question 5

Tissue composed of more than one cell type are?

Answer 5

Complex
•xylem
•phloem
•xylem vesicles
•sieve tubules
•tracheoids
•companion cells

Question 6

Outermost cell layer protective role

Answer 6

Epidermis

Question 7

Stems,roots and nutrient storage

Answer 7

Parenchyma

Question 8

Shoots and leaves mechanical strength and flexibility

Answer 8

Collenchyma

Question 9

Mechanical strength water condition

Answer 9

Sclerenchyma

Question 10

Support the plant transport water and dissolved salts from root to stems and leaves

Answer 10

Xylem

Question 11

Transport organic nutrients produced during photosynthesis

Answer 11

Phloem

Question 12

Commonly seen outside the body coverings or as linings of organ cavities consists of tightly packed cells that form a continuous layer it provides protection and covers surface and lines body cavities it also acts as barriers from pathogens mechanical injuries and fluid loss

Answer 12

Epithelial tissue

Question 13

Flat like

Answer 13

Squamous

Question 14

Square in side view

Answer 14

Cuboidal

Question 15

Rectangular side view

Answer 15

Columnar

Question 16

Secrets a product a gland that can be a single epithelial cell or contain many cells

Answer 16

Grand epithelium

Question 17

The most abundant and widely distributed tissue and complex animals

Answer 17

Connective tissue

Question 18

A certain fibroblasts and is separated by a jelly-like matrix

Answer 18

Fibrous

Question 19

Made up of plasma contains water salts and dissolved proteins

Answer 19

Blood cells

Question 20

These are composed of long cells called muscular fiber account for movement of body parts

Answer 20

Muscle tissue

Question 21

Attached to the bone by tendons and creates movement when it contracts voluntary muscle

Answer 21

Skeletal muscle

Question 22

Made up of neurons which are specialized signaling the cells and supporting cells called neuroglia

Answer 22

Nervous tissue

Question 23

Whip-like structure that extends from the cell body it push the cell to a particular propylene motion

Answer 23

Flagella

Question 24

Hairlike protrusionsthat cover most of the parts as they move to sell in vibratory muscle it may motile or nonmotile

Answer 24

Cilia

Question 25

Are tiny finger like structures is covered by a single layer of epithelial cells and supplied with blood by capillaries

Answer 25

Microvilli

Question 26

A temporary arm like projection of a eukaryotic cell membrane primarily consists of actin filaments and may also contain factual and intermediate filaments

Answer 26

Pseudopodia