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Biology > The Structure Of Flowering Plants (chpt. 23) > Flashcards

The Structure Of Flowering Plants (chpt. 23) Flashcards

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1
Q

Herbaceous plants

A

Do not contain wood (or lignin)

→ green

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2
Q

Woody plants

A

Contain wood (or lignin)

→ brown

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3
Q

Node

A

Point on stem at which a leaf is attached

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4
Q

Internode

A

Region on a stem between 2 nodes

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5
Q

Bud

A

A potential growth point that may develop into a shoot / leaf / flower

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6
Q

Lenticel

A

An opening on a stem for gas exchange

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7
Q

Meristem

A

A plant tissue capable of mitosis

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8
Q

Functions of the root

A

• anchor plant in soil
• absorb & transport water and minerals
• store food eg. Carrots

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9
Q

Functions of the stem

A

• Transport food and water
• gas exchange (lenticles)
• protection (thorns)

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10
Q

Veination

A

Pattern of veins in a leaf

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11
Q

Function of leaves

A

• Photosynthesis
• gas exchange
• transpiration

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12
Q

Name plant tissues

A

Dermal tissue

Ground tissue

Vascular tissue → xylem & phloem

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13
Q

Function of dermal tissue

A

Protection, gas exchange

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14
Q

Function of ground tissue

A

Photosynthesis, storage, support

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15
Q

Function of vascular tissue

A

Transport water & nutrients

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16
Q

Function of xylem

A

Transport water & nutrients

17
Q

Function of phloem

A

Transport food (glucose)

18
Q

Cotyledon

A

Seed leaf

19
Q

Monocotyledon

A

• One seed leaf
• parallel veination
• scattered vascular bundles

E.g. Grass, tulips

20
Q

Dicotyledon

A

• Two seed leaves
• net veination
• vascular bundles arranged in a ring

E.g. Roses, beans, peas

21
Q

Give two structural differences between xylem and phloem

A

Xylem has pits, phloem does not
Xylem has lignin, phloem does not
Phloem has companion cells, xylem does not
Phloem has sieve plates, xylem does not

22
Q

Name the pores found in the bark of plants that allow for gaseous exchange

A

Lenticels

23
Q

Name the mineral required by plants to photosynthesise

A

Magnesium

24
Q

In which zone of the plant is water absorbed from the soil

A

Zone of differentiation

25
Q

Name the tissue that transports water in roots

A

Xylem

26
Q

State one function of dermal tissue in plants

A

Protection

27
Q

Differences between xylem vessels and xylem tracheids

A

Tracheids are tapered at both ends, vessels have no end walls
Tracheids are narrower than vessels

28
Q

Zone of elongation vs Zone of differentiation

A

Elongation - where cells increase in size

Differentiation - where cells become specialised

29
Q

DIAGRAM of LS of root

A
30
Q

DIAGRAM showing the location of plant tissues in a dicot stem TS and LS

A
31
Q

DIAGRAM of LS of tracheal and vessel

A
32
Q

DIAGRAM of LS & TS of phloem

A

Biology (34 decks)

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