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Biology > Structure Of Flowering Plants > Flashcards

Structure Of Flowering Plants Flashcards

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1
Q

What are the 4 zones in a root?

A

Zone of protection
Zone of cell production
Zone of elongation
Zone of differentiation

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2
Q

What are the 3 plant tissues?

A

Dermal
Vascular
Ground

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3
Q

What happens in the zone of differentiation?

A

Cells become specialised

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4
Q

What happens in the zone of elongation?

A

Cells grow longer due to plant growth regulator (auxin)

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5
Q

What happens in the zone of cell production?

A

Mitosis of new cells

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6
Q

What is the meristem?

A

Plant tissue capable if mitosis

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7
Q

What are the functions of the roots?

A

1) Anchor plant in soil
2) Absorb water and mineral salts from the soil
3) Transport absorbed materials to shoots
4) Store food in some plants eg carrots

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8
Q

What is the function of ground tissue?

A

Photosynthesis

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9
Q

What are the 2 types of xylem?

A

1) Tracheids

2) Vessels

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10
Q

What are the 2 types of ventation?

A

1) Parallel

2) Net/reticulate

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11
Q

What is the function of the stem?

A

1) Support aerial parts of plant
2) Transport water and minerals from roots to leaves and flowers
3) Transport food made in leaves to roots
4) Carry out photosynthesis (if green)
5) May store food

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12
Q

What is the function of leaves?

A

1) Make food via photosynthesis
2) gaseous exchanges (stomata)
3) Store food

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13
Q

What are monocots?

A

1 seed leaf

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14
Q

What are dicots?

A

2 seed leaf

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15
Q

What are some features of monocots?

A

1) Parallel venation
2) Vascular bundles in stem are scattered
3) manly herbaceous

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16
Q

What are some features of dicots?

A

1) Net venation

2) Vascular bundles in stem arranged in ring

17
Q

What are the main differences between phloem and xylem?

A 
Xylem:
Carries water and minerals
Is dead
Has lignin
No companion cells
Phloem:
Carries food
Is living
No lignin
Has companion cells
18
Q

Where are tracheids found?

A

Coniferous trees

19
Q

What is the function of dermal tissue?

A

Protection

20
Q

What is the function of sieve tubes?

A

Transport food made in leaf to rest of the plant

21
Q

What is the function of companion cells?

A

Control activities of the sieve element tubes

22
Q

What is the node?

A

Part of stem where leaf emerges

23
Q

What is the lenticel?

A

Opening in stem where gaseous exchange occurs

24
Q

What is the axil?

A

Angle between leaf and stem

25
Q

What is the apical bud?

A

Tip of the stem that produce following year’s growth

26
Q

What is the petiole?

A

Stalk of the leaf

27
Q

What is transpiration?

A

The loss (by evaporation) of water vapour from the leaves and other aerial parts of a plant

Biology (25 decks)

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