Bio G.10 PLANTS

Question 1

L12A

What are plants

main ideas

Answer 1

• Multicellular organisms
• Perform photosynthesis to make food
• Not mobile

Question 2

L12A

Two main organ systems of plants

Answer 2

1. Shoot
2. Root

systems

Question 3

L12A

What do the roots do?

Answer 3

• anchors plants
• transport and absorb water/minerals
• storage (food)

Question 4

L12A

What parts does the shoot system consist of?

Answer 4

Leaves, stems, flowers.

Question 5

L12A

Main functions of shoots

Answer 5

• produce food for plant
• release oxygen through photosyn.
• produce flowers for s* reprod

Question 6

L12A

Function of leaf

Answer 6

• Main site of photosyn. using chloroplasts
• thin and wide to MAXIMIZE SA to capture as much light as possible

Question 7

L12A

Photosynthesis in word equation

Answer 7

light energy + CO2 + water –> glucose + O2

Question 8

L12A

What plant organ is the main site of photosynthesis?

Answer 8

Leaf !

thats why its gotta be thin and wide

Question 9

L12A

The purpose of photosynthesis

basic

Answer 9

To produce GLUCOSE. not oxygen.

common misconception

Question 10

L12A

Photosynthesis: whats the main product, why, and the byproduct

Answer 10

Main product: glucose
Why: to immed. be used to make usable energy
Byproduct: oxygen

Question 11

L12A Parts & Functions

Lower epidermis

Answer 11

Lower layer of cells.
(deeper within leaf)

Question 12

L12A Parts & Functions

Upper epidermis

Answer 12

Upper layer of cells

Question 13

L12A Parts & Functions

Palisade layer

Answer 13

tall thin cells, tightly packed together to MAXIMIZE photosyn.

Question 14

L12A Parts & Functions

Spongy mesophyll

Answer 14

cells rounder, more spaced out with air spaces (to allow CO2 and O2 to move around)

Question 15

L12A Parts & Functions

Cuticle

Answer 15

waxy, transparent, waterproof covering. To prevent water loss + bacterial infection.

Question 16

L12A Parts & Functions

Guard cells

Answer 16

Open and close stomata. Only found on BOTTOM of leaf. This is how CO2 enters and O2 exits.
Guard cells can close to prevent water loss.

Question 17

L12A Parts & Functions

Guard cells are mostly found where?

Answer 17

On underside of leaf.

/ bottom

Question 18

L12A Parts & Functions

Stomate

Answer 18

pore / hole for gas exchange

Question 19

L12A Parts & Functions

Vascular bundle

Answer 19

transportation system for minerals, water, sugars, hormones. Looks like an actual bundle in the diagram.

Question 20

L12A Parts & Functions

Chloroplasts

Answer 20

Organelle that conducts photosynthesis.

Question 21

L12A Parts & Functions

Stem

Answer 21

• food storage in some plants, protection, photosyn, reprod.
• structure
• Carries nutrients/water up and down

Question 22

L12A Parts & Functions

Flowers

male vs female too

Answer 22

• specialized structures for sexual reproduction
• male reprod. structure produces pollen grains
• female reprod. structure produces eggs

Question 23

L12A Parts & Functions

Male reprod. structure VS Female reprod. structure

Answer 23

Male: pollen grains
Female: eggs

Question 24

L12A Parts & Functions

How flowers reproduce

Answer 24

• Pollination (eggs being fertilized by pollen)
• Due to wind and animals
• After, the female parts form seeds

Question 25

# L12A Parts & Functions Female parts form seeds that are sometimes contained within... | what type of structure / product

Answer 25

Fruits!

Question 26

# L12A Parts & Functions Where in leaf does most photosyn. occur? Why

Answer 26

Palisade layer: they contain high concentration of chloroplasts | chloroplasts contain chlorophyll, a pigment that absorbs light energy

Question 27

# L12B three main tissue systems in plants?

Answer 27

1. Dermal 2. Vascular 3. Ground

Question 28

# L12B What kind of undifferentiated cells are in plants? + what can they do

Answer 28

Meristematic cells, which can divide and differentiate into diff specialized cells

Question 29

# L12B In animals, cell division can occur...

Answer 29

Everywhere

Question 30

# L12B In plants, cell division can occur...

Answer 30

only at tips of plant's roots and shoots

Question 31

# L12B ........ cells continuously grow throughout their life, but ........ cells do not

Answer 31

Plant continuously, animals not.

Question 32

# L12B Dermal tissue does what?

Answer 32

covers the outermost layer of plant body

Question 33

# L12B Peridermal tissue?

Answer 33

tissue that forms bark on stems and large roots

Question 34

# L12B Epidermal tissue ?

Answer 34

thin layer of cells covers surface of leaves, stems, roots. can produce cuticle.

Question 35

# L12B What can epidermal leaf cells produce?

Answer 35

The cuticle (waxy layer) around leaves to prevent water loss / infection

Question 36

# L12B Some epidermal leaf cells are used for what? *hair like structures*

Answer 36

Used for defense - the hair-like structures contain chemical irritants

Question 37

# L12B Two types of tissues found in vascular tissue system

Answer 37

1. xylem 2. phloem

Question 38

# L12B What does vascular tissue do?

Answer 38

transports materials throughout plant

Question 39

# L12B Xylem function

Answer 39

Transports water/minerals from roots to leave/stems. Hollow tubes with rigid walls, allowing water to move easily within it UPWARD.

Question 40

# L12B Xylem has no what?

Answer 40

No nucleus, cytoplasm, etc. Mature cells are dead.

Question 41

# L12B Phloem function

Answer 41

Transports sugar, proteins, hormones, throughout plant. May be transported BOTH directions. Mature cells are living.

Question 42

# L12B Ground tissue system Function

Answer 42

acts as filler between dermal and vascular tissues. 1. performs photosyn. in green parts of plant 2. stores carbs in roots 3. storage and support in stems

Question 43

# L12B Most of the cells of young plants are made of what?

Answer 43

Ground tissue !

Question 44

# L12B Good work. youve got this, and if you want 100%, you need to WORK for it. Who knows, maybe the next flashcard could be the answer of the one question youll rly need ! but if you skip it....

Answer 44

You got it.