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Biology > Vegetative Propagation > Flashcards

Vegetative Propagation Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Give two features of vegetative propagation?

A

No gametes
Variations
One parent

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2
Q

Suggest a benefit of artificial vegetative propagation

A

Rapid
More reliable
Cheap

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3
Q

How can you tell a plant is a stem from external observation and through a microscope

A

External observation - buds

Microscope - vascular bundles

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4
Q

Would you expect the daughter plant to be haploid or diploid of a runner and why?

A

Diploid - mitosis

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5
Q

What evidence is there in a diagram of a runner that sexual reproduction has taken place?

A

Fruit

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6
Q

Give two differences between vegetative propagation and sexual reproduction

A

No gametes
Quick
No outside agent required

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7
Q

Distinguish between tuber and bulb

A

Tuber- stem

Bulb -bud

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8
Q

Give four examples in nature of asexual reproduction in plants

A

Stem
Root
Leaf
Buds

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9
Q

How does asexual reproduction occur?

A

Part of the plant becomes separated from the parent plant and divides by mitosis to grow into a new, genetically identical plant

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10
Q

What is vegetative propagation?

A

Asexual reproduction in plants

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11
Q

Give an example of a modified stem above ground

A

Runners [strawberries]

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12
Q

Give an example of a modified stem below ground

A

Stem tubers eg, potato

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13
Q

Give two features of runners

A

Horizontal stems
Long internodes [buds formed at each node]
Above ground

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14
Q

Give an example of a modified root

A

Root tuber eg, dahlia

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15
Q

Give two features of root tubers

A

Swollen fibrous roots
Tuber stores food
Remains dormant over winter

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16
Q

Give an example of modified leaves

A

Plantlets eg, lily

17
Q

Give an example of modified buds

A

Bulbs eg, onion

18
Q

Give two features of a modified bud

A

Underground stem
Leaves are swollen stored with food
Main bud [apical] grows into new shoot
Side buds [lateral] grow into new shoots too

19
Q

Diagram of onion!!

A

Check hardback!

[6 labels]

20
Q

Give four examples of artificial asexual reproduction

A

Cuttings, Grafting, Layering, Micropropagation

21
Q

Give an example of a plant that is reproduced by cuttings

A

Busy Lizzie

22
Q

Explain cuttings

A

Parts of plant [usually shoots] removed from plant and rooted in rooting powder [growth promoter]

23
Q

Give an example of a plant that is reproduced by grafting

A

Rose flower

24
Q

Explain grafting

A

Part of one plant [scion] is removed and attached to a healthy rooted part of a second plant [stock]

25
Q

Give an example of a plant that is reproduced by layering

A

Blackberry

26
Q

Explain layering

A

A branch of a plant is a bent over so that when roots develop, the branch is separated from the parent plant
[useful for propagation of Woody plants]

Biology (36 decks)

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