Roots

Question 1

Protects RAM, sloughs off in soil

Answer 1

Root cap

Question 2

Sense gravity for the plant

Answer 2

Amyloplasts

Question 3

Lubricant that protects, aids growth of root, and inhibits growth of other roots

Answer 3

Mucigel

Question 4

Mucigel

Answer 4

Lubricant that protects, aids growth of root, and inhibits growth of other roots

Question 5

A growth movement in response to gravity

Answer 5

Gravitropism

Question 6

Zone half mm beyond QC, rapidly dividing

Answer 6

Zone of cell division

Question 7

Zone where new cells elongate; ends at root hairs

Answer 7

Zone of cell elongation

Question 8

Short-lived zone, in new place by next day

Answer 8

Zone of cell differentiation/maturation

Question 9

Root cortex comprised of these 3 layers:

Answer 9

Hypodermis
Cortical parenchyma
Endodermis

Question 10

Root tissue for retaining water

Answer 10

Hypodermis

Question 11

Root tissue for storage

Answer 11

Cortical parenchyma

Question 12

Root tissue that separates cortex and vascular cylinder

Answer 12

Endodermis

Question 13

Casparian strip

Answer 13

Made of lignin and subrin, wraps around 4 sides of cells

Question 14

Transportation through cytoplasm

Answer 14

Symplastic

Question 15

Transportation through cell wall

Answer 15

Apoplastic

Question 16

Endogenous

Answer 16

Comes from inside

Question 17

Exogenous

Answer 17

Comes from outside

Question 18

Parasitic root

Answer 18

Haustorial root

Question 19

Endomycorrhizae

Answer 19

Fungi assoc. with plant roots that helps with phosphorous absorption

Question 20

Ectomycorrhizae

Answer 20

Forms around root, helps with cold and drought tolerance

Question 21

Rhizobium

Answer 21

Assoc with légumes and peas, fix nitrogen

Question 22

Multiple epidermis on aerial root

Answer 22

Velamen