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Plant Phyio Lec > Plant Hormones > Flashcards

Plant Hormones Flashcards

1
Q

promotes cell elongation in stems and coleoptiles but inhibits root growth

A

auxin

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2
Q

promotes cell elongation in stems but inhibit lateral buds

A

auxin

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3
Q

mediates the effects of light and gravity of growth/phototropism

A

auxin

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4
Q

promotes the formation of lateral roots and adventitious roots

A

auxin

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5
Q

regulate DNA replication

A

auxin

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6
Q

delays onset of leaf abscission`

A

auxin

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7
Q

regulate fruit development

A

auxin

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8
Q

regulates expression of genes

A

auxin

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9
Q

induces vascular differentiation

A

auxin

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10
Q

regulates stem elongation in intact plants

A

GA

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11
Q

enhances bolting and flowering in LDP or long day plants

A

GA

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12
Q

stimulates alpha-amylase in germinating seeds or cereals

A

GA

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13
Q

Mobilizes food and minerals in storage of cells

A

GA

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14
Q

promotes growth of dormant buds and seed germination (photodormant)

A

GA

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15
Q

stimulate fruit setting and growth of some fruits

A

GA

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16
Q

promotes cell division and organogenesis with auxin

A

Cytokinin

17
Q

delays senesence

A

CK

18
Q

increases nutrient sink activity

A

CK

19
Q

regulates events on the cell cycle leading to mitosis

A

CK

20
Q

promotes maturation of chloroplast

A

CK

21
Q

regualate protein synthesis

A

ck

22
Q

regulates calcium concentration

A

ck

23
Q

promotes fruit ripening

A

ethylene

24
Q

causes abscission, sheddung of leaves flowers fruits and other organs

A

ethylene

25
Q

induces epinastic curvature of leaves

A

ethylene

26
Q

induce root formation in leaves stems and flowers

A

ethulene

27
Q

triggers foliar and flower senescence

A

ethylene

28
Q

maintenance of seed and bud dormancy

A

Aba

29
Q

induction of stomatal closure under water stress

A

aba

30
Q

stimulation of stress tolerance

A

aba

31
Q

inhibition of growth (prevents cell wall acidification_

A

aba

32
Q

stimulation of water and ion flux in roots

A

aba

33
Q

reduction in leaf area while increasing water absorbing area of roots in stressed plants

A

aba

Plant Phyio Lec (1 decks)

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