Plant root

Question 1

Main anchorage of plants

Answer 1

roots

Question 2

Absorbs water and minerals from substrate

Answer 2

Roots

Question 3

Two types of root systems

Answer 3

Taproot and fibrous root

Question 4

Root system with one large main root from where the secondary root growth originates

Answer 4

Taproot

Question 5

Secondary root growths found in the taproot

Answer 5

Lateral roots

Question 6

extensive network of roots that increases the surface area of the roots

Answer 6

Root hairs

Question 7

has no main root but develops an already extensive root system from the embryonic root or the radicle

Answer 7

Fibrous root system

Question 8

Fibrous main roots are advantageous when _________ before it evaporates in area of ______

Answer 8

absorbing water, dry conditions

Question 9

important center for cell division

Answer 9

root tip

Question 10

Cell division in the _____ of the root is where the developing root cells are found

Answer 10

apical meristem

Question 11

Cells in the apical meristem

Answer 11

initials

Question 12

Covers and protects the apical meristem

Answer 12

Root cap

Question 13

Young root cap cells

Answer 13

Columella cells

Question 14

Columella cells contain ____ to detect gravity

Answer 14

amyloplast

Question 15

Once the cells from the apical meristem move to the periphery they are called ______

Answer 15

peripheral cells

Question 16

Peripheral cells secrete a polysaccharide called ________ that protects and prevents desiccation

Answer 16

Mucigel

Question 17

Inactive cells behinds the root cap is the __________

Answer 17

quiescent center (QC)

Question 18

Three regions behind the QC

Answer 18

Zone of cell division, Zone of cellular elongation, and zone of cellular maturation

Question 19

Add to the primary growth of the root

Answer 19

Zone of cell division

Question 20

Increase the length and shoves the root deeper into the soil

Answer 20

Zone of cellular elongation

Question 21

Where the cells begin differentiation

Answer 21

Zone of cellular maturation

Question 22

The taproots are used to store food

Answer 22

food storage

Question 23

Respiratory roots are _______

Answer 23

non-photosynthetic

Question 24

Roots that emanate from non-root tissues

Answer 24

Adventitious roots

Question 25

Adventitious roots may be used to _______

Answer 25

store food

Question 26

hanging roots that support the weight of large trees

Answer 26

Prop roots

Question 27

adventitious roots that come out from the lower nodes of the stem

Answer 27

Stilt roots

Question 28

roots that come from the stem nodes and used to support the plant while climbing

Answer 28

Climbing roots

Question 29

Enters crevices to support and hold epiphytes

Answer 29

Clinging roots

Question 30

Grows at the base of the stem and spread across the soil

Answer 30

Buttress roots

Question 31

microscopic root of parasitic plants

Answer 31

sucking roots / Haustoria

Question 32

help the aquatic plants to float and respire

Answer 32

Floating roots

Question 33

modified adventitious roots that can photosynthesize

Answer 33

Assimilatory roots

Question 34

Cells that first undergo mitosis

Answer 34

initials

Question 35

True or false: Columella cells are negatively geotropic

Answer 35

False

Question 36

True or false: respiratory roots are negatively geotrophic

Answer 36

true

Question 37

True or false: Stilt roots grow obliquely and shorter in length

Answer 37

true

Question 38

Roots that are vertically elongated and horizontally compressed

Answer 38

buttress roots