Organ Systems in Plants

Question 1

What characteristics do organisms from higher eukaryotic systems exhibit

Answer 1

Multicellularity

Question 2

Cells -> Organisms

Enumerate each step

Answer 2

1. Cells
2. Tissues
3. Organs
4. Organ Systems
5. Organism

Question 3

2 main types of plants

Answer 3

Vascular and Non-Vascular

Question 4

Other term for vascular plants

Answer 4

tracheophytes

Question 5

TRANSPORT SYSTEM

vascular vs nonvascular

Answer 5

V: xylem and phloem
NV: simple diffusion/osmosis/cytoplasmic streaming

Question 6

2 TYPES of vascular plants

Answer 6

angiosperms (flowering plants)
gymnosperms

Question 7

2 MAJOR organ systems of VASCULAR PLANTS

Answer 7

Root and Shoot Systems

Question 8

What 2 parts of a plant does the SHOOT SYSTEM comprise

Answer 8

Vegetative
Reproductive

Question 9

Organs under

1. Vegetative (3)
2. Reproductive (3)

Answer 9

V:
LEAVES
BUDS
STEMS

R:
FLOWERS
FRUITS
SEEDS

Question 10

IN PLANTS, what does the PHLOEM transports?

Answer 10

Photosynthates

Question 11

What is one essential plant process

and what is its definition

Answer 11

TRANSPIRATION

loss of water from the stomates thru water vapor

Question 12

3 BASIC STEPS of Transpiration

Answer 12

1. Absorption of roots
2. Capillary Action via xylem
3. Evaporation in leaves

Question 13

CAUSE of capillary action in transpiration

what specific EFFECT that cause does

and due to WHAT PROPERTY of water is this cause based on

Answer 13

Transpiration Pull

Negative Hydrostatic Pressure

Cohesive Property

Question 14

What maintains transpiration pull

Answer 14

EVAPORATION

Question 15

Transpiration occurs mostly on the ____ (leaf part), and may also take place in ___ (2)

Answer 15

abaxial

cuticle

lenticels

Question 16

What time of day is the HIGHEST RATE of TRANSPIRATION

Answer 16

noon

Question 17

FACTORS that affect TRANSPIRATION RATE

1. Internal
2. External (4)

Answer 17

1. number, size, position, and movement of stomates + thickness of cuticle layer and still air surrounding the leaves
2. air temperature, wind speed, relative humidity, radiation intensity

Question 18

4 set ups in experiment

Answer 18

one subjected to:
1. normal conditions
2. artificial light
3. fanning
4. covered with plastic bag

Question 19

formula for TRANSPIRATION RATE

Answer 19

(Vf - Vi) / time

cm3/min

Question 20

Significance of transpiration (5)

Answer 20

1. transport of water
2. distribution of minerals
3. provides water vapor supply to atmosphere
4. aids in photosynthesis
5. lowers temperature of plants

Question 21

EXAMPLE of nonvascular plants

Answer 21

Bryophytes