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Biology (LC) > Chapter 23 - Structure Of Flowering Plants > Flashcards

Chapter 23 - Structure Of Flowering Plants Flashcards

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1
Q

Name for functions of a root

A

Anchors the plant
absorbs water and minerals
transports absorbed materials to shoot
stores food

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2
Q

What is a taproot

A

It’s develops from the radical

is the primary route that secondary roots emerge from

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3
Q

Name the 4 zones in a plant root and their functions

A

Differentiation - cells develop into plant tissue
Elongation - cells get bigger (growth regulators)
Cell production - contains meristems which allows cell division, it produces new cells
Protection - protects as it pushes through the soil

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4
Q

Name the two types of stems

A

Herbaceous - soft and green stem

Woody - hard brown stem that contains lignin

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5
Q

Name 3 functions of a stem

A

Supports the aerial parts
Transports water and minerals from the root to the leaf
Transports food made in the leaf to the root
May store food
If it’s green photosynthesis occurs

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6
Q

What is the tip of the stem called

A

Apical bud

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7
Q

What is the function of the apical bud

A

Causes the stem to grow at the growing tip

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8
Q

What is the flower called in the diagram of a flowering plant

A

Axillery bud

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9
Q

What is the node

A

Point where leaf emerges

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10
Q

What is the internode

A

Distance between nodes

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11
Q

What are lenticels

A

Openings on a stem that allow gas exchange

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12
Q

What is the petiole

A

The stalk of the leaf that is attached to the stem

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13
Q

What word describes a leaf when it has no petiole

A

Sessile

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14
Q

What word is used to describe a flattened leaf

A

Leaf blade

Lamina

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15
Q

What do we call the petiole as it goes through the leaf blade

A

The midrib

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16
Q

What is the function of the midrib petiole and veins

A

Contain the vascular tissue

17
Q

Name 3 function of a leaf

A

Photosynthesis
Gas exchange - carbon dioxide goes in, oxygen and water vapor released
Stores food
Allows transpiration

18
Q

What is transpiration

A

The movement of water and minerals

19
Q

One function of dermal tissue

A

Protects the plant

20
Q

What is the function of root hairs

A

Absorbs water and minerals

21
Q

Why are move leaves and stems covered with a waxy cuticle

A

To prevent water loss

22
Q

Three functions of ground tissue

A

Photosynthesis
Storage of food and wastes
Strengthens the plant

23
Q

One function of vascular tissue

A

Transports materials throughout the plant

24
Q

Name the two types of vascular tissue

A

Xylem and phloem

25
Q

Name the two types of xylem

A

Trachieds and vessels

26
Q

Name 4 properties of a trachied xylem

A

Long and tapered
Has pits that allows water to pass from trachied to trachied
More primitive than vessels
Found in coniferous trees

27
Q

Name 4 properties of xylem vessels

A 
Tubular structures 
Cells join end to end (continuous) 
Wider than trachieds
Has pits 
More efficient 
Found in flowering plants
28
Q

What is lignin

A

Strengthening material found in some plant cell walls

29
Q

Name 3 properties of the phloem

A

Composed of sieve tubes and companion cells
Sieve tubes transport food
Companion cells control activities of both sieve tubes and companion cells

30
Q

What is a fibrous root

A

Group of equal sized roots

Formed when the radicle dies

31
Q

State 4 differences between the xylem and phloem

A

Xylem - has lignin, allows water to pass through, has pits, trachied xylem is tapered
Phloem - doesn’t have lignin, transports food, doesn’t have pits, isn’t tapered

32
Q

What is the location of the xylem in a root

A

On the inside of the bound membrane

33
Q

What is the location of the xylem in a stem

A

On the inside of the vascular bundle when in a ring

34
Q

What is the location of the phloem in a root

A

Surrounds the xylem in the bound membrane

35
Q

State 4 differences between monocots and dicots

A

Monocots - single cotyledon, parallel veins, vascular bundles scattered, flower parts in multiples of 3

Dicots - two cotyledons, network of veins, vascular bundles arranged in a ring, flower parts in multiples of 4/5

36
Q

Name an example of a monocot plant

A

Tulip

37
Q

Name an example of a dicot plant

A

Phlox

38
Q

Why do you cut the plant into thin slices when examining a plant cell

A

Easier to see

Light shines through

39
Q

How do you cut the plant

A

Using a wet backed blade

Cut at a right angle

Biology (LC) (34 decks)

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